devices/igb/igb_main-3.18-orig.c
author Edouard Tisserant <edouard.tisserant@gmail.com>
Tue, 09 Oct 2018 09:22:53 +0200
branchstable-1.5
changeset 2727 32c9a2dea9ed
parent 2685 740291442c05
permissions -rw-r--r--
devices/rtdmnet.c : fixed indentation and error handling.
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/* Intel(R) Gigabit Ethernet Linux driver
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 * Copyright(c) 2007-2014 Intel Corporation.
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 *
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 * This program is free software; you can redistribute it and/or modify it
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 * under the terms and conditions of the GNU General Public License,
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 * version 2, as published by the Free Software Foundation.
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 *
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 * This program is distributed in the hope it will be useful, but WITHOUT
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 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
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 * more details.
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 *
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 * You should have received a copy of the GNU General Public License along with
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 * this program; if not, see <http://www.gnu.org/licenses/>.
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 *
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 * The full GNU General Public License is included in this distribution in
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 * the file called "COPYING".
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 *
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 * Contact Information:
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 * e1000-devel Mailing List <e1000-devel@lists.sourceforge.net>
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 * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
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 */
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#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
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#include <linux/module.h>
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#include <linux/types.h>
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#include <linux/init.h>
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#include <linux/bitops.h>
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#include <linux/vmalloc.h>
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#include <linux/pagemap.h>
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#include <linux/netdevice.h>
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#include <linux/ipv6.h>
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#include <linux/slab.h>
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#include <net/checksum.h>
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#include <net/ip6_checksum.h>
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#include <linux/net_tstamp.h>
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#include <linux/mii.h>
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#include <linux/ethtool.h>
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#include <linux/if.h>
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#include <linux/if_vlan.h>
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#include <linux/pci.h>
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#include <linux/pci-aspm.h>
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#include <linux/delay.h>
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#include <linux/interrupt.h>
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#include <linux/ip.h>
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#include <linux/tcp.h>
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#include <linux/sctp.h>
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#include <linux/if_ether.h>
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#include <linux/aer.h>
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#include <linux/prefetch.h>
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#include <linux/pm_runtime.h>
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#ifdef CONFIG_IGB_DCA
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#include <linux/dca.h>
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#endif
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#include <linux/i2c.h>
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#include "igb.h"
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#define MAJ 5
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#define MIN 2
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#define BUILD 15
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#define DRV_VERSION __stringify(MAJ) "." __stringify(MIN) "." \
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__stringify(BUILD) "-k"
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char igb_driver_name[] = "igb";
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char igb_driver_version[] = DRV_VERSION;
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static const char igb_driver_string[] =
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				"Intel(R) Gigabit Ethernet Network Driver";
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static const char igb_copyright[] =
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				"Copyright (c) 2007-2014 Intel Corporation.";
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static const struct e1000_info *igb_info_tbl[] = {
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	[board_82575] = &e1000_82575_info,
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};
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static const struct pci_device_id igb_pci_tbl[] = {
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	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_I354_BACKPLANE_1GBPS) },
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	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_I354_SGMII) },
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	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_I354_BACKPLANE_2_5GBPS) },
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	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_I211_COPPER), board_82575 },
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	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_I210_COPPER), board_82575 },
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	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_I210_FIBER), board_82575 },
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	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_I210_SERDES), board_82575 },
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	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_I210_SGMII), board_82575 },
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	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_I210_COPPER_FLASHLESS), board_82575 },
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	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_I210_SERDES_FLASHLESS), board_82575 },
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	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_I350_COPPER), board_82575 },
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	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_I350_FIBER), board_82575 },
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	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_I350_SERDES), board_82575 },
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	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_I350_SGMII), board_82575 },
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	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_82580_COPPER), board_82575 },
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	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_82580_FIBER), board_82575 },
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	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_82580_QUAD_FIBER), board_82575 },
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	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_82580_SERDES), board_82575 },
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	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_82580_SGMII), board_82575 },
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	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_82580_COPPER_DUAL), board_82575 },
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	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_DH89XXCC_SGMII), board_82575 },
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	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_DH89XXCC_SERDES), board_82575 },
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	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_DH89XXCC_BACKPLANE), board_82575 },
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	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_DH89XXCC_SFP), board_82575 },
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	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_82576), board_82575 },
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	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_82576_NS), board_82575 },
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	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_82576_NS_SERDES), board_82575 },
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	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_82576_FIBER), board_82575 },
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	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_82576_SERDES), board_82575 },
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	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_82576_SERDES_QUAD), board_82575 },
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	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_82576_QUAD_COPPER_ET2), board_82575 },
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	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_82576_QUAD_COPPER), board_82575 },
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	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_82575EB_COPPER), board_82575 },
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	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_82575EB_FIBER_SERDES), board_82575 },
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	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_82575GB_QUAD_COPPER), board_82575 },
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	/* required last entry */
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	{0, }
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};
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MODULE_DEVICE_TABLE(pci, igb_pci_tbl);
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static int igb_setup_all_tx_resources(struct igb_adapter *);
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static int igb_setup_all_rx_resources(struct igb_adapter *);
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static void igb_free_all_tx_resources(struct igb_adapter *);
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static void igb_free_all_rx_resources(struct igb_adapter *);
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static void igb_setup_mrqc(struct igb_adapter *);
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static int igb_probe(struct pci_dev *, const struct pci_device_id *);
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static void igb_remove(struct pci_dev *pdev);
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static int igb_sw_init(struct igb_adapter *);
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static int igb_open(struct net_device *);
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static int igb_close(struct net_device *);
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static void igb_configure(struct igb_adapter *);
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static void igb_configure_tx(struct igb_adapter *);
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static void igb_configure_rx(struct igb_adapter *);
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static void igb_clean_all_tx_rings(struct igb_adapter *);
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static void igb_clean_all_rx_rings(struct igb_adapter *);
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static void igb_clean_tx_ring(struct igb_ring *);
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static void igb_clean_rx_ring(struct igb_ring *);
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static void igb_set_rx_mode(struct net_device *);
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static void igb_update_phy_info(unsigned long);
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static void igb_watchdog(unsigned long);
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static void igb_watchdog_task(struct work_struct *);
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static netdev_tx_t igb_xmit_frame(struct sk_buff *skb, struct net_device *);
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static struct rtnl_link_stats64 *igb_get_stats64(struct net_device *dev,
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					  struct rtnl_link_stats64 *stats);
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static int igb_change_mtu(struct net_device *, int);
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static int igb_set_mac(struct net_device *, void *);
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static void igb_set_uta(struct igb_adapter *adapter);
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static irqreturn_t igb_intr(int irq, void *);
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static irqreturn_t igb_intr_msi(int irq, void *);
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static irqreturn_t igb_msix_other(int irq, void *);
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static irqreturn_t igb_msix_ring(int irq, void *);
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#ifdef CONFIG_IGB_DCA
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static void igb_update_dca(struct igb_q_vector *);
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static void igb_setup_dca(struct igb_adapter *);
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#endif /* CONFIG_IGB_DCA */
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static int igb_poll(struct napi_struct *, int);
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static bool igb_clean_tx_irq(struct igb_q_vector *);
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static bool igb_clean_rx_irq(struct igb_q_vector *, int);
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static int igb_ioctl(struct net_device *, struct ifreq *, int cmd);
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static void igb_tx_timeout(struct net_device *);
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static void igb_reset_task(struct work_struct *);
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static void igb_vlan_mode(struct net_device *netdev,
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			  netdev_features_t features);
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static int igb_vlan_rx_add_vid(struct net_device *, __be16, u16);
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static int igb_vlan_rx_kill_vid(struct net_device *, __be16, u16);
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static void igb_restore_vlan(struct igb_adapter *);
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static void igb_rar_set_qsel(struct igb_adapter *, u8 *, u32 , u8);
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static void igb_ping_all_vfs(struct igb_adapter *);
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static void igb_msg_task(struct igb_adapter *);
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static void igb_vmm_control(struct igb_adapter *);
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static int igb_set_vf_mac(struct igb_adapter *, int, unsigned char *);
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static void igb_restore_vf_multicasts(struct igb_adapter *adapter);
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static int igb_ndo_set_vf_mac(struct net_device *netdev, int vf, u8 *mac);
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static int igb_ndo_set_vf_vlan(struct net_device *netdev,
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			       int vf, u16 vlan, u8 qos);
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static int igb_ndo_set_vf_bw(struct net_device *, int, int, int);
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static int igb_ndo_set_vf_spoofchk(struct net_device *netdev, int vf,
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				   bool setting);
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static int igb_ndo_get_vf_config(struct net_device *netdev, int vf,
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				 struct ifla_vf_info *ivi);
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static void igb_check_vf_rate_limit(struct igb_adapter *);
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#ifdef CONFIG_PCI_IOV
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static int igb_vf_configure(struct igb_adapter *adapter, int vf);
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static int igb_pci_enable_sriov(struct pci_dev *dev, int num_vfs);
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#endif
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#ifdef CONFIG_PM
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#ifdef CONFIG_PM_SLEEP
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static int igb_suspend(struct device *);
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#endif
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static int igb_resume(struct device *);
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#ifdef CONFIG_PM_RUNTIME
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static int igb_runtime_suspend(struct device *dev);
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static int igb_runtime_resume(struct device *dev);
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static int igb_runtime_idle(struct device *dev);
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#endif
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static const struct dev_pm_ops igb_pm_ops = {
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	SET_SYSTEM_SLEEP_PM_OPS(igb_suspend, igb_resume)
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	SET_RUNTIME_PM_OPS(igb_runtime_suspend, igb_runtime_resume,
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			igb_runtime_idle)
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};
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#endif
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static void igb_shutdown(struct pci_dev *);
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static int igb_pci_sriov_configure(struct pci_dev *dev, int num_vfs);
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#ifdef CONFIG_IGB_DCA
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static int igb_notify_dca(struct notifier_block *, unsigned long, void *);
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static struct notifier_block dca_notifier = {
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	.notifier_call	= igb_notify_dca,
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	.next		= NULL,
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	.priority	= 0
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};
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#endif
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#ifdef CONFIG_NET_POLL_CONTROLLER
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/* for netdump / net console */
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static void igb_netpoll(struct net_device *);
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#endif
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#ifdef CONFIG_PCI_IOV
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static unsigned int max_vfs;
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module_param(max_vfs, uint, 0);
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MODULE_PARM_DESC(max_vfs, "Maximum number of virtual functions to allocate per physical function");
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#endif /* CONFIG_PCI_IOV */
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   219
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static pci_ers_result_t igb_io_error_detected(struct pci_dev *,
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		     pci_channel_state_t);
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static pci_ers_result_t igb_io_slot_reset(struct pci_dev *);
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static void igb_io_resume(struct pci_dev *);
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   224
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static const struct pci_error_handlers igb_err_handler = {
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	.error_detected = igb_io_error_detected,
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	.slot_reset = igb_io_slot_reset,
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	.resume = igb_io_resume,
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   229
};
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static void igb_init_dmac(struct igb_adapter *adapter, u32 pba);
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static struct pci_driver igb_driver = {
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	.name     = igb_driver_name,
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	.id_table = igb_pci_tbl,
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	.probe    = igb_probe,
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	.remove   = igb_remove,
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   238
#ifdef CONFIG_PM
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	.driver.pm = &igb_pm_ops,
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#endif
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	.shutdown = igb_shutdown,
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	.sriov_configure = igb_pci_sriov_configure,
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   243
	.err_handler = &igb_err_handler
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
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   244
};
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
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diff changeset
   245
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
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diff changeset
   246
MODULE_AUTHOR("Intel Corporation, <e1000-devel@lists.sourceforge.net>");
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
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diff changeset
   247
MODULE_DESCRIPTION("Intel(R) Gigabit Ethernet Network Driver");
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
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diff changeset
   248
MODULE_LICENSE("GPL");
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
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parents:
diff changeset
   249
MODULE_VERSION(DRV_VERSION);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
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parents:
diff changeset
   250
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   251
#define DEFAULT_MSG_ENABLE (NETIF_MSG_DRV|NETIF_MSG_PROBE|NETIF_MSG_LINK)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
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   252
static int debug = -1;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
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parents:
diff changeset
   253
module_param(debug, int, 0);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   254
MODULE_PARM_DESC(debug, "Debug level (0=none,...,16=all)");
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   255
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   256
struct igb_reg_info {
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
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parents:
diff changeset
   257
	u32 ofs;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   258
	char *name;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
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parents:
diff changeset
   259
};
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   260
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   261
static const struct igb_reg_info igb_reg_info_tbl[] = {
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   262
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   263
	/* General Registers */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
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diff changeset
   264
	{E1000_CTRL, "CTRL"},
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   265
	{E1000_STATUS, "STATUS"},
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   266
	{E1000_CTRL_EXT, "CTRL_EXT"},
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   267
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   268
	/* Interrupt Registers */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   269
	{E1000_ICR, "ICR"},
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   270
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
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parents:
diff changeset
   271
	/* RX Registers */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
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   272
	{E1000_RCTL, "RCTL"},
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   273
	{E1000_RDLEN(0), "RDLEN"},
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   274
	{E1000_RDH(0), "RDH"},
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
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diff changeset
   275
	{E1000_RDT(0), "RDT"},
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
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diff changeset
   276
	{E1000_RXDCTL(0), "RXDCTL"},
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   277
	{E1000_RDBAL(0), "RDBAL"},
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   278
	{E1000_RDBAH(0), "RDBAH"},
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   279
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   280
	/* TX Registers */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   281
	{E1000_TCTL, "TCTL"},
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   282
	{E1000_TDBAL(0), "TDBAL"},
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   283
	{E1000_TDBAH(0), "TDBAH"},
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   284
	{E1000_TDLEN(0), "TDLEN"},
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   285
	{E1000_TDH(0), "TDH"},
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   286
	{E1000_TDT(0), "TDT"},
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   287
	{E1000_TXDCTL(0), "TXDCTL"},
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   288
	{E1000_TDFH, "TDFH"},
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   289
	{E1000_TDFT, "TDFT"},
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   290
	{E1000_TDFHS, "TDFHS"},
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   291
	{E1000_TDFPC, "TDFPC"},
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   292
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   293
	/* List Terminator */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   294
	{}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   295
};
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   296
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   297
/* igb_regdump - register printout routine */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   298
static void igb_regdump(struct e1000_hw *hw, struct igb_reg_info *reginfo)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   299
{
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   300
	int n = 0;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   301
	char rname[16];
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   302
	u32 regs[8];
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   303
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   304
	switch (reginfo->ofs) {
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   305
	case E1000_RDLEN(0):
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   306
		for (n = 0; n < 4; n++)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   307
			regs[n] = rd32(E1000_RDLEN(n));
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   308
		break;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   309
	case E1000_RDH(0):
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   310
		for (n = 0; n < 4; n++)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   311
			regs[n] = rd32(E1000_RDH(n));
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   312
		break;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   313
	case E1000_RDT(0):
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   314
		for (n = 0; n < 4; n++)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   315
			regs[n] = rd32(E1000_RDT(n));
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   316
		break;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   317
	case E1000_RXDCTL(0):
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   318
		for (n = 0; n < 4; n++)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   319
			regs[n] = rd32(E1000_RXDCTL(n));
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   320
		break;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   321
	case E1000_RDBAL(0):
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   322
		for (n = 0; n < 4; n++)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   323
			regs[n] = rd32(E1000_RDBAL(n));
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   324
		break;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   325
	case E1000_RDBAH(0):
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   326
		for (n = 0; n < 4; n++)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   327
			regs[n] = rd32(E1000_RDBAH(n));
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   328
		break;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   329
	case E1000_TDBAL(0):
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   330
		for (n = 0; n < 4; n++)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   331
			regs[n] = rd32(E1000_RDBAL(n));
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   332
		break;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   333
	case E1000_TDBAH(0):
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   334
		for (n = 0; n < 4; n++)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   335
			regs[n] = rd32(E1000_TDBAH(n));
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   336
		break;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   337
	case E1000_TDLEN(0):
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   338
		for (n = 0; n < 4; n++)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   339
			regs[n] = rd32(E1000_TDLEN(n));
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   340
		break;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   341
	case E1000_TDH(0):
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   342
		for (n = 0; n < 4; n++)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   343
			regs[n] = rd32(E1000_TDH(n));
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   344
		break;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   345
	case E1000_TDT(0):
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   346
		for (n = 0; n < 4; n++)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   347
			regs[n] = rd32(E1000_TDT(n));
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   348
		break;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   349
	case E1000_TXDCTL(0):
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   350
		for (n = 0; n < 4; n++)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   351
			regs[n] = rd32(E1000_TXDCTL(n));
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   352
		break;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   353
	default:
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   354
		pr_info("%-15s %08x\n", reginfo->name, rd32(reginfo->ofs));
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   355
		return;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   356
	}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   357
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   358
	snprintf(rname, 16, "%s%s", reginfo->name, "[0-3]");
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   359
	pr_info("%-15s %08x %08x %08x %08x\n", rname, regs[0], regs[1],
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   360
		regs[2], regs[3]);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   361
}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   362
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   363
/* igb_dump - Print registers, Tx-rings and Rx-rings */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   364
static void igb_dump(struct igb_adapter *adapter)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   365
{
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   366
	struct net_device *netdev = adapter->netdev;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   367
	struct e1000_hw *hw = &adapter->hw;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   368
	struct igb_reg_info *reginfo;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   369
	struct igb_ring *tx_ring;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   370
	union e1000_adv_tx_desc *tx_desc;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   371
	struct my_u0 { u64 a; u64 b; } *u0;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   372
	struct igb_ring *rx_ring;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   373
	union e1000_adv_rx_desc *rx_desc;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   374
	u32 staterr;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   375
	u16 i, n;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   376
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   377
	if (!netif_msg_hw(adapter))
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   378
		return;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   379
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   380
	/* Print netdevice Info */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   381
	if (netdev) {
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   382
		dev_info(&adapter->pdev->dev, "Net device Info\n");
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   383
		pr_info("Device Name     state            trans_start      last_rx\n");
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   384
		pr_info("%-15s %016lX %016lX %016lX\n", netdev->name,
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   385
			netdev->state, netdev->trans_start, netdev->last_rx);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   386
	}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   387
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   388
	/* Print Registers */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   389
	dev_info(&adapter->pdev->dev, "Register Dump\n");
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   390
	pr_info(" Register Name   Value\n");
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   391
	for (reginfo = (struct igb_reg_info *)igb_reg_info_tbl;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   392
	     reginfo->name; reginfo++) {
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   393
		igb_regdump(hw, reginfo);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   394
	}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   395
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   396
	/* Print TX Ring Summary */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   397
	if (!netdev || !netif_running(netdev))
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   398
		goto exit;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   399
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   400
	dev_info(&adapter->pdev->dev, "TX Rings Summary\n");
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   401
	pr_info("Queue [NTU] [NTC] [bi(ntc)->dma  ] leng ntw timestamp\n");
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   402
	for (n = 0; n < adapter->num_tx_queues; n++) {
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   403
		struct igb_tx_buffer *buffer_info;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   404
		tx_ring = adapter->tx_ring[n];
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   405
		buffer_info = &tx_ring->tx_buffer_info[tx_ring->next_to_clean];
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   406
		pr_info(" %5d %5X %5X %016llX %04X %p %016llX\n",
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   407
			n, tx_ring->next_to_use, tx_ring->next_to_clean,
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   408
			(u64)dma_unmap_addr(buffer_info, dma),
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   409
			dma_unmap_len(buffer_info, len),
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   410
			buffer_info->next_to_watch,
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   411
			(u64)buffer_info->time_stamp);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   412
	}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   413
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   414
	/* Print TX Rings */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   415
	if (!netif_msg_tx_done(adapter))
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   416
		goto rx_ring_summary;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   417
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   418
	dev_info(&adapter->pdev->dev, "TX Rings Dump\n");
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   419
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   420
	/* Transmit Descriptor Formats
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   421
	 *
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   422
	 * Advanced Transmit Descriptor
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   423
	 *   +--------------------------------------------------------------+
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   424
	 * 0 |         Buffer Address [63:0]                                |
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   425
	 *   +--------------------------------------------------------------+
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   426
	 * 8 | PAYLEN  | PORTS  |CC|IDX | STA | DCMD  |DTYP|MAC|RSV| DTALEN |
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   427
	 *   +--------------------------------------------------------------+
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   428
	 *   63      46 45    40 39 38 36 35 32 31   24             15       0
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   429
	 */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   430
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   431
	for (n = 0; n < adapter->num_tx_queues; n++) {
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   432
		tx_ring = adapter->tx_ring[n];
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   433
		pr_info("------------------------------------\n");
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   434
		pr_info("TX QUEUE INDEX = %d\n", tx_ring->queue_index);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   435
		pr_info("------------------------------------\n");
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   436
		pr_info("T [desc]     [address 63:0  ] [PlPOCIStDDM Ln] [bi->dma       ] leng  ntw timestamp        bi->skb\n");
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   437
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   438
		for (i = 0; tx_ring->desc && (i < tx_ring->count); i++) {
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   439
			const char *next_desc;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   440
			struct igb_tx_buffer *buffer_info;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   441
			tx_desc = IGB_TX_DESC(tx_ring, i);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   442
			buffer_info = &tx_ring->tx_buffer_info[i];
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   443
			u0 = (struct my_u0 *)tx_desc;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   444
			if (i == tx_ring->next_to_use &&
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   445
			    i == tx_ring->next_to_clean)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   446
				next_desc = " NTC/U";
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   447
			else if (i == tx_ring->next_to_use)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   448
				next_desc = " NTU";
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   449
			else if (i == tx_ring->next_to_clean)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   450
				next_desc = " NTC";
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   451
			else
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   452
				next_desc = "";
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   453
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   454
			pr_info("T [0x%03X]    %016llX %016llX %016llX %04X  %p %016llX %p%s\n",
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   455
				i, le64_to_cpu(u0->a),
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   456
				le64_to_cpu(u0->b),
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   457
				(u64)dma_unmap_addr(buffer_info, dma),
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   458
				dma_unmap_len(buffer_info, len),
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   459
				buffer_info->next_to_watch,
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   460
				(u64)buffer_info->time_stamp,
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   461
				buffer_info->skb, next_desc);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   462
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   463
			if (netif_msg_pktdata(adapter) && buffer_info->skb)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   464
				print_hex_dump(KERN_INFO, "",
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   465
					DUMP_PREFIX_ADDRESS,
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   466
					16, 1, buffer_info->skb->data,
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   467
					dma_unmap_len(buffer_info, len),
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   468
					true);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   469
		}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   470
	}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   471
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   472
	/* Print RX Rings Summary */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   473
rx_ring_summary:
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   474
	dev_info(&adapter->pdev->dev, "RX Rings Summary\n");
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   475
	pr_info("Queue [NTU] [NTC]\n");
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   476
	for (n = 0; n < adapter->num_rx_queues; n++) {
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   477
		rx_ring = adapter->rx_ring[n];
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   478
		pr_info(" %5d %5X %5X\n",
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   479
			n, rx_ring->next_to_use, rx_ring->next_to_clean);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   480
	}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   481
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   482
	/* Print RX Rings */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   483
	if (!netif_msg_rx_status(adapter))
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   484
		goto exit;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   485
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   486
	dev_info(&adapter->pdev->dev, "RX Rings Dump\n");
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   487
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   488
	/* Advanced Receive Descriptor (Read) Format
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   489
	 *    63                                           1        0
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   490
	 *    +-----------------------------------------------------+
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   491
	 *  0 |       Packet Buffer Address [63:1]           |A0/NSE|
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   492
	 *    +----------------------------------------------+------+
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   493
	 *  8 |       Header Buffer Address [63:1]           |  DD  |
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   494
	 *    +-----------------------------------------------------+
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   495
	 *
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   496
	 *
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   497
	 * Advanced Receive Descriptor (Write-Back) Format
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   498
	 *
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   499
	 *   63       48 47    32 31  30      21 20 17 16   4 3     0
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   500
	 *   +------------------------------------------------------+
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   501
	 * 0 | Packet     IP     |SPH| HDR_LEN   | RSV|Packet|  RSS |
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   502
	 *   | Checksum   Ident  |   |           |    | Type | Type |
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   503
	 *   +------------------------------------------------------+
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   504
	 * 8 | VLAN Tag | Length | Extended Error | Extended Status |
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   505
	 *   +------------------------------------------------------+
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   506
	 *   63       48 47    32 31            20 19               0
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   507
	 */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   508
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   509
	for (n = 0; n < adapter->num_rx_queues; n++) {
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   510
		rx_ring = adapter->rx_ring[n];
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   511
		pr_info("------------------------------------\n");
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   512
		pr_info("RX QUEUE INDEX = %d\n", rx_ring->queue_index);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   513
		pr_info("------------------------------------\n");
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   514
		pr_info("R  [desc]      [ PktBuf     A0] [  HeadBuf   DD] [bi->dma       ] [bi->skb] <-- Adv Rx Read format\n");
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   515
		pr_info("RWB[desc]      [PcsmIpSHl PtRs] [vl er S cks ln] ---------------- [bi->skb] <-- Adv Rx Write-Back format\n");
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   516
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   517
		for (i = 0; i < rx_ring->count; i++) {
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   518
			const char *next_desc;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   519
			struct igb_rx_buffer *buffer_info;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   520
			buffer_info = &rx_ring->rx_buffer_info[i];
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   521
			rx_desc = IGB_RX_DESC(rx_ring, i);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   522
			u0 = (struct my_u0 *)rx_desc;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   523
			staterr = le32_to_cpu(rx_desc->wb.upper.status_error);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   524
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   525
			if (i == rx_ring->next_to_use)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   526
				next_desc = " NTU";
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   527
			else if (i == rx_ring->next_to_clean)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   528
				next_desc = " NTC";
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   529
			else
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   530
				next_desc = "";
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   531
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   532
			if (staterr & E1000_RXD_STAT_DD) {
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   533
				/* Descriptor Done */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   534
				pr_info("%s[0x%03X]     %016llX %016llX ---------------- %s\n",
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   535
					"RWB", i,
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   536
					le64_to_cpu(u0->a),
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   537
					le64_to_cpu(u0->b),
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   538
					next_desc);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   539
			} else {
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   540
				pr_info("%s[0x%03X]     %016llX %016llX %016llX %s\n",
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   541
					"R  ", i,
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   542
					le64_to_cpu(u0->a),
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   543
					le64_to_cpu(u0->b),
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   544
					(u64)buffer_info->dma,
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   545
					next_desc);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   546
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   547
				if (netif_msg_pktdata(adapter) &&
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   548
				    buffer_info->dma && buffer_info->page) {
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   549
					print_hex_dump(KERN_INFO, "",
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   550
					  DUMP_PREFIX_ADDRESS,
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   551
					  16, 1,
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   552
					  page_address(buffer_info->page) +
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   553
						      buffer_info->page_offset,
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   554
					  IGB_RX_BUFSZ, true);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   555
				}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   556
			}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   557
		}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   558
	}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   559
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   560
exit:
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   561
	return;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   562
}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   563
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   564
/**
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   565
 *  igb_get_i2c_data - Reads the I2C SDA data bit
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   566
 *  @hw: pointer to hardware structure
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   567
 *  @i2cctl: Current value of I2CCTL register
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   568
 *
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   569
 *  Returns the I2C data bit value
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   570
 **/
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   571
static int igb_get_i2c_data(void *data)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   572
{
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   573
	struct igb_adapter *adapter = (struct igb_adapter *)data;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   574
	struct e1000_hw *hw = &adapter->hw;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   575
	s32 i2cctl = rd32(E1000_I2CPARAMS);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   576
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   577
	return !!(i2cctl & E1000_I2C_DATA_IN);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   578
}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   579
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   580
/**
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   581
 *  igb_set_i2c_data - Sets the I2C data bit
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   582
 *  @data: pointer to hardware structure
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   583
 *  @state: I2C data value (0 or 1) to set
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   584
 *
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   585
 *  Sets the I2C data bit
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   586
 **/
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   587
static void igb_set_i2c_data(void *data, int state)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   588
{
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   589
	struct igb_adapter *adapter = (struct igb_adapter *)data;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   590
	struct e1000_hw *hw = &adapter->hw;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   591
	s32 i2cctl = rd32(E1000_I2CPARAMS);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   592
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   593
	if (state)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   594
		i2cctl |= E1000_I2C_DATA_OUT;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   595
	else
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   596
		i2cctl &= ~E1000_I2C_DATA_OUT;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   597
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   598
	i2cctl &= ~E1000_I2C_DATA_OE_N;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   599
	i2cctl |= E1000_I2C_CLK_OE_N;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   600
	wr32(E1000_I2CPARAMS, i2cctl);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   601
	wrfl();
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   602
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   603
}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   604
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   605
/**
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   606
 *  igb_set_i2c_clk - Sets the I2C SCL clock
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   607
 *  @data: pointer to hardware structure
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   608
 *  @state: state to set clock
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   609
 *
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   610
 *  Sets the I2C clock line to state
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   611
 **/
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   612
static void igb_set_i2c_clk(void *data, int state)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   613
{
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   614
	struct igb_adapter *adapter = (struct igb_adapter *)data;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   615
	struct e1000_hw *hw = &adapter->hw;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   616
	s32 i2cctl = rd32(E1000_I2CPARAMS);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   617
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   618
	if (state) {
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   619
		i2cctl |= E1000_I2C_CLK_OUT;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   620
		i2cctl &= ~E1000_I2C_CLK_OE_N;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   621
	} else {
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   622
		i2cctl &= ~E1000_I2C_CLK_OUT;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   623
		i2cctl &= ~E1000_I2C_CLK_OE_N;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   624
	}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   625
	wr32(E1000_I2CPARAMS, i2cctl);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   626
	wrfl();
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   627
}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   628
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   629
/**
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   630
 *  igb_get_i2c_clk - Gets the I2C SCL clock state
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   631
 *  @data: pointer to hardware structure
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   632
 *
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   633
 *  Gets the I2C clock state
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   634
 **/
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   635
static int igb_get_i2c_clk(void *data)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   636
{
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   637
	struct igb_adapter *adapter = (struct igb_adapter *)data;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   638
	struct e1000_hw *hw = &adapter->hw;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   639
	s32 i2cctl = rd32(E1000_I2CPARAMS);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   640
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   641
	return !!(i2cctl & E1000_I2C_CLK_IN);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   642
}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   643
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   644
static const struct i2c_algo_bit_data igb_i2c_algo = {
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   645
	.setsda		= igb_set_i2c_data,
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   646
	.setscl		= igb_set_i2c_clk,
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   647
	.getsda		= igb_get_i2c_data,
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   648
	.getscl		= igb_get_i2c_clk,
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   649
	.udelay		= 5,
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   650
	.timeout	= 20,
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   651
};
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   652
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   653
/**
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   654
 *  igb_get_hw_dev - return device
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   655
 *  @hw: pointer to hardware structure
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   656
 *
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   657
 *  used by hardware layer to print debugging information
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   658
 **/
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   659
struct net_device *igb_get_hw_dev(struct e1000_hw *hw)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   660
{
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   661
	struct igb_adapter *adapter = hw->back;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   662
	return adapter->netdev;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   663
}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   664
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   665
/**
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   666
 *  igb_init_module - Driver Registration Routine
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   667
 *
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   668
 *  igb_init_module is the first routine called when the driver is
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   669
 *  loaded. All it does is register with the PCI subsystem.
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   670
 **/
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   671
static int __init igb_init_module(void)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   672
{
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   673
	int ret;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   674
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   675
	pr_info("%s - version %s\n",
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   676
	       igb_driver_string, igb_driver_version);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   677
	pr_info("%s\n", igb_copyright);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   678
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   679
#ifdef CONFIG_IGB_DCA
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   680
	dca_register_notify(&dca_notifier);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   681
#endif
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   682
	ret = pci_register_driver(&igb_driver);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   683
	return ret;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   684
}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   685
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   686
module_init(igb_init_module);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   687
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   688
/**
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   689
 *  igb_exit_module - Driver Exit Cleanup Routine
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   690
 *
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   691
 *  igb_exit_module is called just before the driver is removed
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   692
 *  from memory.
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   693
 **/
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   694
static void __exit igb_exit_module(void)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   695
{
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   696
#ifdef CONFIG_IGB_DCA
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   697
	dca_unregister_notify(&dca_notifier);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   698
#endif
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   699
	pci_unregister_driver(&igb_driver);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   700
}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   701
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   702
module_exit(igb_exit_module);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   703
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   704
#define Q_IDX_82576(i) (((i & 0x1) << 3) + (i >> 1))
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   705
/**
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   706
 *  igb_cache_ring_register - Descriptor ring to register mapping
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   707
 *  @adapter: board private structure to initialize
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   708
 *
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   709
 *  Once we know the feature-set enabled for the device, we'll cache
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   710
 *  the register offset the descriptor ring is assigned to.
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   711
 **/
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   712
static void igb_cache_ring_register(struct igb_adapter *adapter)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   713
{
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   714
	int i = 0, j = 0;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   715
	u32 rbase_offset = adapter->vfs_allocated_count;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   716
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   717
	switch (adapter->hw.mac.type) {
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   718
	case e1000_82576:
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   719
		/* The queues are allocated for virtualization such that VF 0
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   720
		 * is allocated queues 0 and 8, VF 1 queues 1 and 9, etc.
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   721
		 * In order to avoid collision we start at the first free queue
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   722
		 * and continue consuming queues in the same sequence
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   723
		 */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   724
		if (adapter->vfs_allocated_count) {
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   725
			for (; i < adapter->rss_queues; i++)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   726
				adapter->rx_ring[i]->reg_idx = rbase_offset +
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   727
							       Q_IDX_82576(i);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   728
		}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   729
		/* Fall through */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   730
	case e1000_82575:
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   731
	case e1000_82580:
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   732
	case e1000_i350:
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   733
	case e1000_i354:
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   734
	case e1000_i210:
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   735
	case e1000_i211:
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   736
		/* Fall through */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   737
	default:
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   738
		for (; i < adapter->num_rx_queues; i++)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   739
			adapter->rx_ring[i]->reg_idx = rbase_offset + i;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   740
		for (; j < adapter->num_tx_queues; j++)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   741
			adapter->tx_ring[j]->reg_idx = rbase_offset + j;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   742
		break;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   743
	}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   744
}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   745
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   746
u32 igb_rd32(struct e1000_hw *hw, u32 reg)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   747
{
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   748
	struct igb_adapter *igb = container_of(hw, struct igb_adapter, hw);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   749
	u8 __iomem *hw_addr = ACCESS_ONCE(hw->hw_addr);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   750
	u32 value = 0;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   751
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   752
	if (E1000_REMOVED(hw_addr))
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   753
		return ~value;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   754
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   755
	value = readl(&hw_addr[reg]);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   756
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   757
	/* reads should not return all F's */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   758
	if (!(~value) && (!reg || !(~readl(hw_addr)))) {
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   759
		struct net_device *netdev = igb->netdev;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   760
		hw->hw_addr = NULL;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   761
		netif_device_detach(netdev);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   762
		netdev_err(netdev, "PCIe link lost, device now detached\n");
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   763
	}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   764
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   765
	return value;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   766
}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   767
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   768
/**
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   769
 *  igb_write_ivar - configure ivar for given MSI-X vector
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   770
 *  @hw: pointer to the HW structure
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   771
 *  @msix_vector: vector number we are allocating to a given ring
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   772
 *  @index: row index of IVAR register to write within IVAR table
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   773
 *  @offset: column offset of in IVAR, should be multiple of 8
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   774
 *
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   775
 *  This function is intended to handle the writing of the IVAR register
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   776
 *  for adapters 82576 and newer.  The IVAR table consists of 2 columns,
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   777
 *  each containing an cause allocation for an Rx and Tx ring, and a
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   778
 *  variable number of rows depending on the number of queues supported.
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   779
 **/
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   780
static void igb_write_ivar(struct e1000_hw *hw, int msix_vector,
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   781
			   int index, int offset)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   782
{
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   783
	u32 ivar = array_rd32(E1000_IVAR0, index);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   784
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   785
	/* clear any bits that are currently set */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   786
	ivar &= ~((u32)0xFF << offset);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   787
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   788
	/* write vector and valid bit */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   789
	ivar |= (msix_vector | E1000_IVAR_VALID) << offset;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   790
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   791
	array_wr32(E1000_IVAR0, index, ivar);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   792
}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   793
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   794
#define IGB_N0_QUEUE -1
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   795
static void igb_assign_vector(struct igb_q_vector *q_vector, int msix_vector)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   796
{
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   797
	struct igb_adapter *adapter = q_vector->adapter;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   798
	struct e1000_hw *hw = &adapter->hw;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   799
	int rx_queue = IGB_N0_QUEUE;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   800
	int tx_queue = IGB_N0_QUEUE;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   801
	u32 msixbm = 0;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   802
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   803
	if (q_vector->rx.ring)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   804
		rx_queue = q_vector->rx.ring->reg_idx;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   805
	if (q_vector->tx.ring)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   806
		tx_queue = q_vector->tx.ring->reg_idx;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   807
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   808
	switch (hw->mac.type) {
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   809
	case e1000_82575:
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   810
		/* The 82575 assigns vectors using a bitmask, which matches the
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   811
		 * bitmask for the EICR/EIMS/EIMC registers.  To assign one
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   812
		 * or more queues to a vector, we write the appropriate bits
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   813
		 * into the MSIXBM register for that vector.
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   814
		 */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   815
		if (rx_queue > IGB_N0_QUEUE)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   816
			msixbm = E1000_EICR_RX_QUEUE0 << rx_queue;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   817
		if (tx_queue > IGB_N0_QUEUE)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   818
			msixbm |= E1000_EICR_TX_QUEUE0 << tx_queue;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   819
		if (!(adapter->flags & IGB_FLAG_HAS_MSIX) && msix_vector == 0)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   820
			msixbm |= E1000_EIMS_OTHER;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   821
		array_wr32(E1000_MSIXBM(0), msix_vector, msixbm);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   822
		q_vector->eims_value = msixbm;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   823
		break;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   824
	case e1000_82576:
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   825
		/* 82576 uses a table that essentially consists of 2 columns
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   826
		 * with 8 rows.  The ordering is column-major so we use the
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   827
		 * lower 3 bits as the row index, and the 4th bit as the
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   828
		 * column offset.
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   829
		 */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   830
		if (rx_queue > IGB_N0_QUEUE)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   831
			igb_write_ivar(hw, msix_vector,
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   832
				       rx_queue & 0x7,
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   833
				       (rx_queue & 0x8) << 1);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   834
		if (tx_queue > IGB_N0_QUEUE)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   835
			igb_write_ivar(hw, msix_vector,
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   836
				       tx_queue & 0x7,
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   837
				       ((tx_queue & 0x8) << 1) + 8);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   838
		q_vector->eims_value = 1 << msix_vector;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   839
		break;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   840
	case e1000_82580:
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   841
	case e1000_i350:
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   842
	case e1000_i354:
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   843
	case e1000_i210:
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   844
	case e1000_i211:
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   845
		/* On 82580 and newer adapters the scheme is similar to 82576
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   846
		 * however instead of ordering column-major we have things
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   847
		 * ordered row-major.  So we traverse the table by using
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   848
		 * bit 0 as the column offset, and the remaining bits as the
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   849
		 * row index.
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   850
		 */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   851
		if (rx_queue > IGB_N0_QUEUE)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   852
			igb_write_ivar(hw, msix_vector,
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   853
				       rx_queue >> 1,
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   854
				       (rx_queue & 0x1) << 4);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   855
		if (tx_queue > IGB_N0_QUEUE)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   856
			igb_write_ivar(hw, msix_vector,
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   857
				       tx_queue >> 1,
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   858
				       ((tx_queue & 0x1) << 4) + 8);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   859
		q_vector->eims_value = 1 << msix_vector;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   860
		break;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   861
	default:
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   862
		BUG();
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   863
		break;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   864
	}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   865
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   866
	/* add q_vector eims value to global eims_enable_mask */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   867
	adapter->eims_enable_mask |= q_vector->eims_value;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   868
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   869
	/* configure q_vector to set itr on first interrupt */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   870
	q_vector->set_itr = 1;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   871
}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   872
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   873
/**
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   874
 *  igb_configure_msix - Configure MSI-X hardware
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   875
 *  @adapter: board private structure to initialize
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   876
 *
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   877
 *  igb_configure_msix sets up the hardware to properly
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   878
 *  generate MSI-X interrupts.
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   879
 **/
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   880
static void igb_configure_msix(struct igb_adapter *adapter)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   881
{
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   882
	u32 tmp;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   883
	int i, vector = 0;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   884
	struct e1000_hw *hw = &adapter->hw;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   885
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   886
	adapter->eims_enable_mask = 0;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   887
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   888
	/* set vector for other causes, i.e. link changes */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   889
	switch (hw->mac.type) {
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   890
	case e1000_82575:
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   891
		tmp = rd32(E1000_CTRL_EXT);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   892
		/* enable MSI-X PBA support*/
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   893
		tmp |= E1000_CTRL_EXT_PBA_CLR;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   894
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   895
		/* Auto-Mask interrupts upon ICR read. */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   896
		tmp |= E1000_CTRL_EXT_EIAME;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   897
		tmp |= E1000_CTRL_EXT_IRCA;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   898
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   899
		wr32(E1000_CTRL_EXT, tmp);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   900
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   901
		/* enable msix_other interrupt */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   902
		array_wr32(E1000_MSIXBM(0), vector++, E1000_EIMS_OTHER);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   903
		adapter->eims_other = E1000_EIMS_OTHER;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   904
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   905
		break;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   906
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   907
	case e1000_82576:
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   908
	case e1000_82580:
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   909
	case e1000_i350:
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   910
	case e1000_i354:
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   911
	case e1000_i210:
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   912
	case e1000_i211:
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   913
		/* Turn on MSI-X capability first, or our settings
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   914
		 * won't stick.  And it will take days to debug.
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   915
		 */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   916
		wr32(E1000_GPIE, E1000_GPIE_MSIX_MODE |
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   917
		     E1000_GPIE_PBA | E1000_GPIE_EIAME |
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   918
		     E1000_GPIE_NSICR);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   919
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   920
		/* enable msix_other interrupt */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   921
		adapter->eims_other = 1 << vector;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   922
		tmp = (vector++ | E1000_IVAR_VALID) << 8;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   923
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   924
		wr32(E1000_IVAR_MISC, tmp);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   925
		break;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   926
	default:
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   927
		/* do nothing, since nothing else supports MSI-X */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   928
		break;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   929
	} /* switch (hw->mac.type) */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   930
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   931
	adapter->eims_enable_mask |= adapter->eims_other;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   932
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   933
	for (i = 0; i < adapter->num_q_vectors; i++)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   934
		igb_assign_vector(adapter->q_vector[i], vector++);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   935
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   936
	wrfl();
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   937
}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   938
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   939
/**
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   940
 *  igb_request_msix - Initialize MSI-X interrupts
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   941
 *  @adapter: board private structure to initialize
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   942
 *
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   943
 *  igb_request_msix allocates MSI-X vectors and requests interrupts from the
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   944
 *  kernel.
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   945
 **/
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   946
static int igb_request_msix(struct igb_adapter *adapter)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   947
{
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   948
	struct net_device *netdev = adapter->netdev;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   949
	struct e1000_hw *hw = &adapter->hw;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   950
	int i, err = 0, vector = 0, free_vector = 0;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   951
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   952
	err = request_irq(adapter->msix_entries[vector].vector,
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   953
			  igb_msix_other, 0, netdev->name, adapter);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   954
	if (err)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   955
		goto err_out;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   956
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   957
	for (i = 0; i < adapter->num_q_vectors; i++) {
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   958
		struct igb_q_vector *q_vector = adapter->q_vector[i];
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   959
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   960
		vector++;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   961
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   962
		q_vector->itr_register = hw->hw_addr + E1000_EITR(vector);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   963
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   964
		if (q_vector->rx.ring && q_vector->tx.ring)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   965
			sprintf(q_vector->name, "%s-TxRx-%u", netdev->name,
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   966
				q_vector->rx.ring->queue_index);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   967
		else if (q_vector->tx.ring)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   968
			sprintf(q_vector->name, "%s-tx-%u", netdev->name,
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   969
				q_vector->tx.ring->queue_index);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   970
		else if (q_vector->rx.ring)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   971
			sprintf(q_vector->name, "%s-rx-%u", netdev->name,
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   972
				q_vector->rx.ring->queue_index);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   973
		else
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   974
			sprintf(q_vector->name, "%s-unused", netdev->name);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   975
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   976
		err = request_irq(adapter->msix_entries[vector].vector,
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   977
				  igb_msix_ring, 0, q_vector->name,
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   978
				  q_vector);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   979
		if (err)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   980
			goto err_free;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   981
	}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   982
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   983
	igb_configure_msix(adapter);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   984
	return 0;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   985
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   986
err_free:
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   987
	/* free already assigned IRQs */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   988
	free_irq(adapter->msix_entries[free_vector++].vector, adapter);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   989
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   990
	vector--;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   991
	for (i = 0; i < vector; i++) {
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   992
		free_irq(adapter->msix_entries[free_vector++].vector,
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   993
			 adapter->q_vector[i]);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   994
	}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   995
err_out:
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   996
	return err;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   997
}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   998
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
   999
/**
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1000
 *  igb_free_q_vector - Free memory allocated for specific interrupt vector
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1001
 *  @adapter: board private structure to initialize
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1002
 *  @v_idx: Index of vector to be freed
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1003
 *
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1004
 *  This function frees the memory allocated to the q_vector.
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1005
 **/
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1006
static void igb_free_q_vector(struct igb_adapter *adapter, int v_idx)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1007
{
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1008
	struct igb_q_vector *q_vector = adapter->q_vector[v_idx];
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1009
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1010
	adapter->q_vector[v_idx] = NULL;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1011
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1012
	/* igb_get_stats64() might access the rings on this vector,
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1013
	 * we must wait a grace period before freeing it.
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1014
	 */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1015
	if (q_vector)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1016
		kfree_rcu(q_vector, rcu);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1017
}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1018
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1019
/**
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1020
 *  igb_reset_q_vector - Reset config for interrupt vector
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1021
 *  @adapter: board private structure to initialize
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1022
 *  @v_idx: Index of vector to be reset
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1023
 *
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1024
 *  If NAPI is enabled it will delete any references to the
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1025
 *  NAPI struct. This is preparation for igb_free_q_vector.
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1026
 **/
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1027
static void igb_reset_q_vector(struct igb_adapter *adapter, int v_idx)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1028
{
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1029
	struct igb_q_vector *q_vector = adapter->q_vector[v_idx];
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1030
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1031
	/* Coming from igb_set_interrupt_capability, the vectors are not yet
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1032
	 * allocated. So, q_vector is NULL so we should stop here.
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1033
	 */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1034
	if (!q_vector)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1035
		return;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1036
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1037
	if (q_vector->tx.ring)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1038
		adapter->tx_ring[q_vector->tx.ring->queue_index] = NULL;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1039
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1040
	if (q_vector->rx.ring)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1041
		adapter->tx_ring[q_vector->rx.ring->queue_index] = NULL;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1042
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1043
	netif_napi_del(&q_vector->napi);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1044
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1045
}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1046
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1047
static void igb_reset_interrupt_capability(struct igb_adapter *adapter)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1048
{
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1049
	int v_idx = adapter->num_q_vectors;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1050
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1051
	if (adapter->flags & IGB_FLAG_HAS_MSIX)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1052
		pci_disable_msix(adapter->pdev);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1053
	else if (adapter->flags & IGB_FLAG_HAS_MSI)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1054
		pci_disable_msi(adapter->pdev);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1055
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1056
	while (v_idx--)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1057
		igb_reset_q_vector(adapter, v_idx);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1058
}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1059
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1060
/**
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1061
 *  igb_free_q_vectors - Free memory allocated for interrupt vectors
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1062
 *  @adapter: board private structure to initialize
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1063
 *
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1064
 *  This function frees the memory allocated to the q_vectors.  In addition if
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1065
 *  NAPI is enabled it will delete any references to the NAPI struct prior
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1066
 *  to freeing the q_vector.
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1067
 **/
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1068
static void igb_free_q_vectors(struct igb_adapter *adapter)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1069
{
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1070
	int v_idx = adapter->num_q_vectors;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1071
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1072
	adapter->num_tx_queues = 0;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1073
	adapter->num_rx_queues = 0;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1074
	adapter->num_q_vectors = 0;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1075
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1076
	while (v_idx--) {
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1077
		igb_reset_q_vector(adapter, v_idx);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1078
		igb_free_q_vector(adapter, v_idx);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1079
	}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1080
}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1081
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1082
/**
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1083
 *  igb_clear_interrupt_scheme - reset the device to a state of no interrupts
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1084
 *  @adapter: board private structure to initialize
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1085
 *
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1086
 *  This function resets the device so that it has 0 Rx queues, Tx queues, and
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1087
 *  MSI-X interrupts allocated.
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1088
 */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1089
static void igb_clear_interrupt_scheme(struct igb_adapter *adapter)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1090
{
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1091
	igb_free_q_vectors(adapter);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1092
	igb_reset_interrupt_capability(adapter);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1093
}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1094
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1095
/**
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1096
 *  igb_set_interrupt_capability - set MSI or MSI-X if supported
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1097
 *  @adapter: board private structure to initialize
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1098
 *  @msix: boolean value of MSIX capability
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1099
 *
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1100
 *  Attempt to configure interrupts using the best available
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1101
 *  capabilities of the hardware and kernel.
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1102
 **/
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1103
static void igb_set_interrupt_capability(struct igb_adapter *adapter, bool msix)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1104
{
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1105
	int err;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1106
	int numvecs, i;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1107
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1108
	if (!msix)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1109
		goto msi_only;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1110
	adapter->flags |= IGB_FLAG_HAS_MSIX;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1111
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1112
	/* Number of supported queues. */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1113
	adapter->num_rx_queues = adapter->rss_queues;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1114
	if (adapter->vfs_allocated_count)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1115
		adapter->num_tx_queues = 1;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1116
	else
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1117
		adapter->num_tx_queues = adapter->rss_queues;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1118
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1119
	/* start with one vector for every Rx queue */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1120
	numvecs = adapter->num_rx_queues;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1121
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1122
	/* if Tx handler is separate add 1 for every Tx queue */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1123
	if (!(adapter->flags & IGB_FLAG_QUEUE_PAIRS))
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1124
		numvecs += adapter->num_tx_queues;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1125
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1126
	/* store the number of vectors reserved for queues */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1127
	adapter->num_q_vectors = numvecs;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1128
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1129
	/* add 1 vector for link status interrupts */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1130
	numvecs++;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1131
	for (i = 0; i < numvecs; i++)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1132
		adapter->msix_entries[i].entry = i;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1133
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1134
	err = pci_enable_msix_range(adapter->pdev,
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1135
				    adapter->msix_entries,
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1136
				    numvecs,
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1137
				    numvecs);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1138
	if (err > 0)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1139
		return;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1140
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1141
	igb_reset_interrupt_capability(adapter);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1142
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1143
	/* If we can't do MSI-X, try MSI */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1144
msi_only:
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1145
	adapter->flags &= ~IGB_FLAG_HAS_MSIX;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1146
#ifdef CONFIG_PCI_IOV
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1147
	/* disable SR-IOV for non MSI-X configurations */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1148
	if (adapter->vf_data) {
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1149
		struct e1000_hw *hw = &adapter->hw;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1150
		/* disable iov and allow time for transactions to clear */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1151
		pci_disable_sriov(adapter->pdev);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1152
		msleep(500);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1153
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1154
		kfree(adapter->vf_data);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1155
		adapter->vf_data = NULL;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1156
		wr32(E1000_IOVCTL, E1000_IOVCTL_REUSE_VFQ);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1157
		wrfl();
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1158
		msleep(100);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1159
		dev_info(&adapter->pdev->dev, "IOV Disabled\n");
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1160
	}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1161
#endif
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1162
	adapter->vfs_allocated_count = 0;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1163
	adapter->rss_queues = 1;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1164
	adapter->flags |= IGB_FLAG_QUEUE_PAIRS;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1165
	adapter->num_rx_queues = 1;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1166
	adapter->num_tx_queues = 1;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1167
	adapter->num_q_vectors = 1;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1168
	if (!pci_enable_msi(adapter->pdev))
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1169
		adapter->flags |= IGB_FLAG_HAS_MSI;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1170
}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1171
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1172
static void igb_add_ring(struct igb_ring *ring,
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1173
			 struct igb_ring_container *head)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1174
{
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1175
	head->ring = ring;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1176
	head->count++;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1177
}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1178
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1179
/**
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1180
 *  igb_alloc_q_vector - Allocate memory for a single interrupt vector
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1181
 *  @adapter: board private structure to initialize
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1182
 *  @v_count: q_vectors allocated on adapter, used for ring interleaving
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1183
 *  @v_idx: index of vector in adapter struct
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1184
 *  @txr_count: total number of Tx rings to allocate
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1185
 *  @txr_idx: index of first Tx ring to allocate
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1186
 *  @rxr_count: total number of Rx rings to allocate
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1187
 *  @rxr_idx: index of first Rx ring to allocate
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1188
 *
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1189
 *  We allocate one q_vector.  If allocation fails we return -ENOMEM.
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1190
 **/
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1191
static int igb_alloc_q_vector(struct igb_adapter *adapter,
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1192
			      int v_count, int v_idx,
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1193
			      int txr_count, int txr_idx,
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1194
			      int rxr_count, int rxr_idx)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1195
{
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1196
	struct igb_q_vector *q_vector;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1197
	struct igb_ring *ring;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1198
	int ring_count, size;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1199
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1200
	/* igb only supports 1 Tx and/or 1 Rx queue per vector */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1201
	if (txr_count > 1 || rxr_count > 1)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1202
		return -ENOMEM;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1203
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1204
	ring_count = txr_count + rxr_count;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1205
	size = sizeof(struct igb_q_vector) +
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1206
	       (sizeof(struct igb_ring) * ring_count);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1207
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1208
	/* allocate q_vector and rings */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1209
	q_vector = adapter->q_vector[v_idx];
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1210
	if (!q_vector)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1211
		q_vector = kzalloc(size, GFP_KERNEL);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1212
	if (!q_vector)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1213
		return -ENOMEM;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1214
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1215
	/* initialize NAPI */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1216
	netif_napi_add(adapter->netdev, &q_vector->napi,
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1217
		       igb_poll, 64);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1218
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1219
	/* tie q_vector and adapter together */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1220
	adapter->q_vector[v_idx] = q_vector;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1221
	q_vector->adapter = adapter;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1222
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1223
	/* initialize work limits */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1224
	q_vector->tx.work_limit = adapter->tx_work_limit;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1225
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1226
	/* initialize ITR configuration */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1227
	q_vector->itr_register = adapter->hw.hw_addr + E1000_EITR(0);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1228
	q_vector->itr_val = IGB_START_ITR;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1229
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1230
	/* initialize pointer to rings */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1231
	ring = q_vector->ring;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1232
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1233
	/* intialize ITR */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1234
	if (rxr_count) {
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1235
		/* rx or rx/tx vector */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1236
		if (!adapter->rx_itr_setting || adapter->rx_itr_setting > 3)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1237
			q_vector->itr_val = adapter->rx_itr_setting;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1238
	} else {
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1239
		/* tx only vector */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1240
		if (!adapter->tx_itr_setting || adapter->tx_itr_setting > 3)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1241
			q_vector->itr_val = adapter->tx_itr_setting;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1242
	}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1243
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1244
	if (txr_count) {
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1245
		/* assign generic ring traits */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1246
		ring->dev = &adapter->pdev->dev;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1247
		ring->netdev = adapter->netdev;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1248
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1249
		/* configure backlink on ring */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1250
		ring->q_vector = q_vector;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1251
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1252
		/* update q_vector Tx values */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1253
		igb_add_ring(ring, &q_vector->tx);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1254
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1255
		/* For 82575, context index must be unique per ring. */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1256
		if (adapter->hw.mac.type == e1000_82575)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1257
			set_bit(IGB_RING_FLAG_TX_CTX_IDX, &ring->flags);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1258
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1259
		/* apply Tx specific ring traits */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1260
		ring->count = adapter->tx_ring_count;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1261
		ring->queue_index = txr_idx;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1262
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1263
		u64_stats_init(&ring->tx_syncp);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1264
		u64_stats_init(&ring->tx_syncp2);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1265
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1266
		/* assign ring to adapter */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1267
		adapter->tx_ring[txr_idx] = ring;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1268
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1269
		/* push pointer to next ring */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1270
		ring++;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1271
	}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1272
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1273
	if (rxr_count) {
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1274
		/* assign generic ring traits */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1275
		ring->dev = &adapter->pdev->dev;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1276
		ring->netdev = adapter->netdev;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1277
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1278
		/* configure backlink on ring */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1279
		ring->q_vector = q_vector;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1280
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1281
		/* update q_vector Rx values */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1282
		igb_add_ring(ring, &q_vector->rx);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1283
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1284
		/* set flag indicating ring supports SCTP checksum offload */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1285
		if (adapter->hw.mac.type >= e1000_82576)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1286
			set_bit(IGB_RING_FLAG_RX_SCTP_CSUM, &ring->flags);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1287
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1288
		/* On i350, i354, i210, and i211, loopback VLAN packets
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1289
		 * have the tag byte-swapped.
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1290
		 */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1291
		if (adapter->hw.mac.type >= e1000_i350)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1292
			set_bit(IGB_RING_FLAG_RX_LB_VLAN_BSWAP, &ring->flags);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1293
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1294
		/* apply Rx specific ring traits */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1295
		ring->count = adapter->rx_ring_count;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1296
		ring->queue_index = rxr_idx;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1297
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1298
		u64_stats_init(&ring->rx_syncp);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1299
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1300
		/* assign ring to adapter */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1301
		adapter->rx_ring[rxr_idx] = ring;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1302
	}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1303
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1304
	return 0;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1305
}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1306
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1307
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1308
/**
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1309
 *  igb_alloc_q_vectors - Allocate memory for interrupt vectors
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1310
 *  @adapter: board private structure to initialize
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1311
 *
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1312
 *  We allocate one q_vector per queue interrupt.  If allocation fails we
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1313
 *  return -ENOMEM.
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1314
 **/
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1315
static int igb_alloc_q_vectors(struct igb_adapter *adapter)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1316
{
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1317
	int q_vectors = adapter->num_q_vectors;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1318
	int rxr_remaining = adapter->num_rx_queues;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1319
	int txr_remaining = adapter->num_tx_queues;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1320
	int rxr_idx = 0, txr_idx = 0, v_idx = 0;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1321
	int err;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1322
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1323
	if (q_vectors >= (rxr_remaining + txr_remaining)) {
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1324
		for (; rxr_remaining; v_idx++) {
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1325
			err = igb_alloc_q_vector(adapter, q_vectors, v_idx,
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1326
						 0, 0, 1, rxr_idx);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1327
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1328
			if (err)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1329
				goto err_out;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1330
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1331
			/* update counts and index */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1332
			rxr_remaining--;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1333
			rxr_idx++;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1334
		}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1335
	}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1336
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1337
	for (; v_idx < q_vectors; v_idx++) {
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1338
		int rqpv = DIV_ROUND_UP(rxr_remaining, q_vectors - v_idx);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1339
		int tqpv = DIV_ROUND_UP(txr_remaining, q_vectors - v_idx);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1340
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1341
		err = igb_alloc_q_vector(adapter, q_vectors, v_idx,
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1342
					 tqpv, txr_idx, rqpv, rxr_idx);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1343
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1344
		if (err)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1345
			goto err_out;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1346
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1347
		/* update counts and index */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1348
		rxr_remaining -= rqpv;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1349
		txr_remaining -= tqpv;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1350
		rxr_idx++;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1351
		txr_idx++;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1352
	}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1353
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1354
	return 0;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1355
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1356
err_out:
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1357
	adapter->num_tx_queues = 0;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1358
	adapter->num_rx_queues = 0;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1359
	adapter->num_q_vectors = 0;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1360
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1361
	while (v_idx--)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1362
		igb_free_q_vector(adapter, v_idx);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1363
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1364
	return -ENOMEM;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1365
}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1366
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1367
/**
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1368
 *  igb_init_interrupt_scheme - initialize interrupts, allocate queues/vectors
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1369
 *  @adapter: board private structure to initialize
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1370
 *  @msix: boolean value of MSIX capability
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1371
 *
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1372
 *  This function initializes the interrupts and allocates all of the queues.
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1373
 **/
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1374
static int igb_init_interrupt_scheme(struct igb_adapter *adapter, bool msix)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1375
{
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1376
	struct pci_dev *pdev = adapter->pdev;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1377
	int err;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1378
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1379
	igb_set_interrupt_capability(adapter, msix);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1380
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1381
	err = igb_alloc_q_vectors(adapter);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1382
	if (err) {
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1383
		dev_err(&pdev->dev, "Unable to allocate memory for vectors\n");
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1384
		goto err_alloc_q_vectors;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1385
	}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1386
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1387
	igb_cache_ring_register(adapter);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1388
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1389
	return 0;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1390
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1391
err_alloc_q_vectors:
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1392
	igb_reset_interrupt_capability(adapter);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1393
	return err;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1394
}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1395
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1396
/**
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1397
 *  igb_request_irq - initialize interrupts
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1398
 *  @adapter: board private structure to initialize
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1399
 *
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1400
 *  Attempts to configure interrupts using the best available
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1401
 *  capabilities of the hardware and kernel.
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1402
 **/
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1403
static int igb_request_irq(struct igb_adapter *adapter)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1404
{
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1405
	struct net_device *netdev = adapter->netdev;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1406
	struct pci_dev *pdev = adapter->pdev;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1407
	int err = 0;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1408
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1409
	if (adapter->flags & IGB_FLAG_HAS_MSIX) {
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1410
		err = igb_request_msix(adapter);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1411
		if (!err)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1412
			goto request_done;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1413
		/* fall back to MSI */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1414
		igb_free_all_tx_resources(adapter);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1415
		igb_free_all_rx_resources(adapter);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1416
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1417
		igb_clear_interrupt_scheme(adapter);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1418
		err = igb_init_interrupt_scheme(adapter, false);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1419
		if (err)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1420
			goto request_done;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1421
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1422
		igb_setup_all_tx_resources(adapter);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1423
		igb_setup_all_rx_resources(adapter);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1424
		igb_configure(adapter);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1425
	}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1426
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1427
	igb_assign_vector(adapter->q_vector[0], 0);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1428
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1429
	if (adapter->flags & IGB_FLAG_HAS_MSI) {
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1430
		err = request_irq(pdev->irq, igb_intr_msi, 0,
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1431
				  netdev->name, adapter);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1432
		if (!err)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1433
			goto request_done;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1434
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1435
		/* fall back to legacy interrupts */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1436
		igb_reset_interrupt_capability(adapter);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1437
		adapter->flags &= ~IGB_FLAG_HAS_MSI;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1438
	}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1439
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1440
	err = request_irq(pdev->irq, igb_intr, IRQF_SHARED,
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1441
			  netdev->name, adapter);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1442
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1443
	if (err)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1444
		dev_err(&pdev->dev, "Error %d getting interrupt\n",
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1445
			err);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1446
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1447
request_done:
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1448
	return err;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1449
}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1450
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1451
static void igb_free_irq(struct igb_adapter *adapter)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1452
{
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1453
	if (adapter->flags & IGB_FLAG_HAS_MSIX) {
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1454
		int vector = 0, i;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1455
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1456
		free_irq(adapter->msix_entries[vector++].vector, adapter);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1457
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1458
		for (i = 0; i < adapter->num_q_vectors; i++)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1459
			free_irq(adapter->msix_entries[vector++].vector,
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1460
				 adapter->q_vector[i]);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1461
	} else {
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1462
		free_irq(adapter->pdev->irq, adapter);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1463
	}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1464
}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1465
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1466
/**
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1467
 *  igb_irq_disable - Mask off interrupt generation on the NIC
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1468
 *  @adapter: board private structure
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1469
 **/
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1470
static void igb_irq_disable(struct igb_adapter *adapter)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1471
{
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1472
	struct e1000_hw *hw = &adapter->hw;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1473
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1474
	/* we need to be careful when disabling interrupts.  The VFs are also
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1475
	 * mapped into these registers and so clearing the bits can cause
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1476
	 * issues on the VF drivers so we only need to clear what we set
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1477
	 */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1478
	if (adapter->flags & IGB_FLAG_HAS_MSIX) {
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1479
		u32 regval = rd32(E1000_EIAM);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1480
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1481
		wr32(E1000_EIAM, regval & ~adapter->eims_enable_mask);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1482
		wr32(E1000_EIMC, adapter->eims_enable_mask);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1483
		regval = rd32(E1000_EIAC);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1484
		wr32(E1000_EIAC, regval & ~adapter->eims_enable_mask);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1485
	}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1486
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1487
	wr32(E1000_IAM, 0);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1488
	wr32(E1000_IMC, ~0);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1489
	wrfl();
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1490
	if (adapter->flags & IGB_FLAG_HAS_MSIX) {
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1491
		int i;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1492
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1493
		for (i = 0; i < adapter->num_q_vectors; i++)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1494
			synchronize_irq(adapter->msix_entries[i].vector);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1495
	} else {
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1496
		synchronize_irq(adapter->pdev->irq);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1497
	}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1498
}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1499
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1500
/**
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1501
 *  igb_irq_enable - Enable default interrupt generation settings
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1502
 *  @adapter: board private structure
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1503
 **/
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1504
static void igb_irq_enable(struct igb_adapter *adapter)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1505
{
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1506
	struct e1000_hw *hw = &adapter->hw;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1507
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1508
	if (adapter->flags & IGB_FLAG_HAS_MSIX) {
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1509
		u32 ims = E1000_IMS_LSC | E1000_IMS_DOUTSYNC | E1000_IMS_DRSTA;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1510
		u32 regval = rd32(E1000_EIAC);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1511
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1512
		wr32(E1000_EIAC, regval | adapter->eims_enable_mask);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1513
		regval = rd32(E1000_EIAM);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1514
		wr32(E1000_EIAM, regval | adapter->eims_enable_mask);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1515
		wr32(E1000_EIMS, adapter->eims_enable_mask);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1516
		if (adapter->vfs_allocated_count) {
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1517
			wr32(E1000_MBVFIMR, 0xFF);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1518
			ims |= E1000_IMS_VMMB;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1519
		}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1520
		wr32(E1000_IMS, ims);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1521
	} else {
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1522
		wr32(E1000_IMS, IMS_ENABLE_MASK |
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1523
				E1000_IMS_DRSTA);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1524
		wr32(E1000_IAM, IMS_ENABLE_MASK |
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1525
				E1000_IMS_DRSTA);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1526
	}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1527
}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1528
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1529
static void igb_update_mng_vlan(struct igb_adapter *adapter)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1530
{
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1531
	struct e1000_hw *hw = &adapter->hw;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1532
	u16 vid = adapter->hw.mng_cookie.vlan_id;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1533
	u16 old_vid = adapter->mng_vlan_id;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1534
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1535
	if (hw->mng_cookie.status & E1000_MNG_DHCP_COOKIE_STATUS_VLAN) {
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1536
		/* add VID to filter table */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1537
		igb_vfta_set(hw, vid, true);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1538
		adapter->mng_vlan_id = vid;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1539
	} else {
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1540
		adapter->mng_vlan_id = IGB_MNG_VLAN_NONE;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1541
	}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1542
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1543
	if ((old_vid != (u16)IGB_MNG_VLAN_NONE) &&
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1544
	    (vid != old_vid) &&
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1545
	    !test_bit(old_vid, adapter->active_vlans)) {
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1546
		/* remove VID from filter table */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1547
		igb_vfta_set(hw, old_vid, false);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1548
	}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1549
}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1550
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1551
/**
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1552
 *  igb_release_hw_control - release control of the h/w to f/w
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1553
 *  @adapter: address of board private structure
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1554
 *
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1555
 *  igb_release_hw_control resets CTRL_EXT:DRV_LOAD bit.
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1556
 *  For ASF and Pass Through versions of f/w this means that the
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1557
 *  driver is no longer loaded.
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1558
 **/
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1559
static void igb_release_hw_control(struct igb_adapter *adapter)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1560
{
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1561
	struct e1000_hw *hw = &adapter->hw;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1562
	u32 ctrl_ext;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1563
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1564
	/* Let firmware take over control of h/w */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1565
	ctrl_ext = rd32(E1000_CTRL_EXT);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1566
	wr32(E1000_CTRL_EXT,
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1567
			ctrl_ext & ~E1000_CTRL_EXT_DRV_LOAD);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1568
}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1569
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1570
/**
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1571
 *  igb_get_hw_control - get control of the h/w from f/w
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1572
 *  @adapter: address of board private structure
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1573
 *
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1574
 *  igb_get_hw_control sets CTRL_EXT:DRV_LOAD bit.
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1575
 *  For ASF and Pass Through versions of f/w this means that
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1576
 *  the driver is loaded.
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1577
 **/
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1578
static void igb_get_hw_control(struct igb_adapter *adapter)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1579
{
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1580
	struct e1000_hw *hw = &adapter->hw;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1581
	u32 ctrl_ext;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1582
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1583
	/* Let firmware know the driver has taken over */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1584
	ctrl_ext = rd32(E1000_CTRL_EXT);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1585
	wr32(E1000_CTRL_EXT,
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1586
			ctrl_ext | E1000_CTRL_EXT_DRV_LOAD);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1587
}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1588
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1589
/**
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1590
 *  igb_configure - configure the hardware for RX and TX
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1591
 *  @adapter: private board structure
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1592
 **/
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1593
static void igb_configure(struct igb_adapter *adapter)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1594
{
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1595
	struct net_device *netdev = adapter->netdev;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1596
	int i;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1597
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1598
	igb_get_hw_control(adapter);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1599
	igb_set_rx_mode(netdev);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1600
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1601
	igb_restore_vlan(adapter);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1602
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1603
	igb_setup_tctl(adapter);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1604
	igb_setup_mrqc(adapter);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1605
	igb_setup_rctl(adapter);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1606
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1607
	igb_configure_tx(adapter);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1608
	igb_configure_rx(adapter);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1609
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1610
	igb_rx_fifo_flush_82575(&adapter->hw);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1611
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1612
	/* call igb_desc_unused which always leaves
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1613
	 * at least 1 descriptor unused to make sure
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1614
	 * next_to_use != next_to_clean
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1615
	 */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1616
	for (i = 0; i < adapter->num_rx_queues; i++) {
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1617
		struct igb_ring *ring = adapter->rx_ring[i];
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1618
		igb_alloc_rx_buffers(ring, igb_desc_unused(ring));
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1619
	}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1620
}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1621
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1622
/**
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1623
 *  igb_power_up_link - Power up the phy/serdes link
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1624
 *  @adapter: address of board private structure
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1625
 **/
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1626
void igb_power_up_link(struct igb_adapter *adapter)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1627
{
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1628
	igb_reset_phy(&adapter->hw);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1629
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1630
	if (adapter->hw.phy.media_type == e1000_media_type_copper)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1631
		igb_power_up_phy_copper(&adapter->hw);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1632
	else
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1633
		igb_power_up_serdes_link_82575(&adapter->hw);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1634
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1635
	igb_setup_link(&adapter->hw);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1636
}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1637
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1638
/**
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1639
 *  igb_power_down_link - Power down the phy/serdes link
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1640
 *  @adapter: address of board private structure
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1641
 */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1642
static void igb_power_down_link(struct igb_adapter *adapter)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1643
{
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1644
	if (adapter->hw.phy.media_type == e1000_media_type_copper)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1645
		igb_power_down_phy_copper_82575(&adapter->hw);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1646
	else
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1647
		igb_shutdown_serdes_link_82575(&adapter->hw);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1648
}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1649
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1650
/**
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1651
 * Detect and switch function for Media Auto Sense
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1652
 * @adapter: address of the board private structure
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1653
 **/
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1654
static void igb_check_swap_media(struct igb_adapter *adapter)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1655
{
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1656
	struct e1000_hw *hw = &adapter->hw;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1657
	u32 ctrl_ext, connsw;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1658
	bool swap_now = false;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1659
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1660
	ctrl_ext = rd32(E1000_CTRL_EXT);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1661
	connsw = rd32(E1000_CONNSW);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1662
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1663
	/* need to live swap if current media is copper and we have fiber/serdes
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1664
	 * to go to.
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1665
	 */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1666
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1667
	if ((hw->phy.media_type == e1000_media_type_copper) &&
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1668
	    (!(connsw & E1000_CONNSW_AUTOSENSE_EN))) {
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1669
		swap_now = true;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1670
	} else if (!(connsw & E1000_CONNSW_SERDESD)) {
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1671
		/* copper signal takes time to appear */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1672
		if (adapter->copper_tries < 4) {
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1673
			adapter->copper_tries++;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1674
			connsw |= E1000_CONNSW_AUTOSENSE_CONF;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1675
			wr32(E1000_CONNSW, connsw);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1676
			return;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1677
		} else {
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1678
			adapter->copper_tries = 0;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1679
			if ((connsw & E1000_CONNSW_PHYSD) &&
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1680
			    (!(connsw & E1000_CONNSW_PHY_PDN))) {
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1681
				swap_now = true;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1682
				connsw &= ~E1000_CONNSW_AUTOSENSE_CONF;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1683
				wr32(E1000_CONNSW, connsw);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1684
			}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1685
		}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1686
	}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1687
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1688
	if (!swap_now)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1689
		return;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1690
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1691
	switch (hw->phy.media_type) {
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1692
	case e1000_media_type_copper:
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1693
		netdev_info(adapter->netdev,
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1694
			"MAS: changing media to fiber/serdes\n");
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1695
		ctrl_ext |=
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1696
			E1000_CTRL_EXT_LINK_MODE_PCIE_SERDES;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1697
		adapter->flags |= IGB_FLAG_MEDIA_RESET;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1698
		adapter->copper_tries = 0;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1699
		break;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1700
	case e1000_media_type_internal_serdes:
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1701
	case e1000_media_type_fiber:
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1702
		netdev_info(adapter->netdev,
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1703
			"MAS: changing media to copper\n");
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1704
		ctrl_ext &=
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1705
			~E1000_CTRL_EXT_LINK_MODE_PCIE_SERDES;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1706
		adapter->flags |= IGB_FLAG_MEDIA_RESET;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1707
		break;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1708
	default:
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1709
		/* shouldn't get here during regular operation */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1710
		netdev_err(adapter->netdev,
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1711
			"AMS: Invalid media type found, returning\n");
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1712
		break;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1713
	}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1714
	wr32(E1000_CTRL_EXT, ctrl_ext);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1715
}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1716
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1717
/**
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1718
 *  igb_up - Open the interface and prepare it to handle traffic
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1719
 *  @adapter: board private structure
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1720
 **/
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1721
int igb_up(struct igb_adapter *adapter)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1722
{
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1723
	struct e1000_hw *hw = &adapter->hw;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1724
	int i;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1725
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1726
	/* hardware has been reset, we need to reload some things */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1727
	igb_configure(adapter);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1728
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1729
	clear_bit(__IGB_DOWN, &adapter->state);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1730
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1731
	for (i = 0; i < adapter->num_q_vectors; i++)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1732
		napi_enable(&(adapter->q_vector[i]->napi));
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1733
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1734
	if (adapter->flags & IGB_FLAG_HAS_MSIX)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1735
		igb_configure_msix(adapter);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1736
	else
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1737
		igb_assign_vector(adapter->q_vector[0], 0);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1738
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1739
	/* Clear any pending interrupts. */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1740
	rd32(E1000_ICR);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1741
	igb_irq_enable(adapter);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1742
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1743
	/* notify VFs that reset has been completed */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1744
	if (adapter->vfs_allocated_count) {
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1745
		u32 reg_data = rd32(E1000_CTRL_EXT);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1746
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1747
		reg_data |= E1000_CTRL_EXT_PFRSTD;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1748
		wr32(E1000_CTRL_EXT, reg_data);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1749
	}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1750
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1751
	netif_tx_start_all_queues(adapter->netdev);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1752
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1753
	/* start the watchdog. */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1754
	hw->mac.get_link_status = 1;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1755
	schedule_work(&adapter->watchdog_task);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1756
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1757
	if ((adapter->flags & IGB_FLAG_EEE) &&
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1758
	    (!hw->dev_spec._82575.eee_disable))
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1759
		adapter->eee_advert = MDIO_EEE_100TX | MDIO_EEE_1000T;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1760
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1761
	return 0;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1762
}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1763
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1764
void igb_down(struct igb_adapter *adapter)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1765
{
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1766
	struct net_device *netdev = adapter->netdev;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1767
	struct e1000_hw *hw = &adapter->hw;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1768
	u32 tctl, rctl;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1769
	int i;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1770
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1771
	/* signal that we're down so the interrupt handler does not
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1772
	 * reschedule our watchdog timer
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1773
	 */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1774
	set_bit(__IGB_DOWN, &adapter->state);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1775
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1776
	/* disable receives in the hardware */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1777
	rctl = rd32(E1000_RCTL);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1778
	wr32(E1000_RCTL, rctl & ~E1000_RCTL_EN);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1779
	/* flush and sleep below */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1780
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1781
	netif_tx_stop_all_queues(netdev);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1782
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1783
	/* disable transmits in the hardware */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1784
	tctl = rd32(E1000_TCTL);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1785
	tctl &= ~E1000_TCTL_EN;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1786
	wr32(E1000_TCTL, tctl);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1787
	/* flush both disables and wait for them to finish */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1788
	wrfl();
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1789
	usleep_range(10000, 11000);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1790
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1791
	igb_irq_disable(adapter);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1792
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1793
	adapter->flags &= ~IGB_FLAG_NEED_LINK_UPDATE;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1794
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1795
	for (i = 0; i < adapter->num_q_vectors; i++) {
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1796
		if (adapter->q_vector[i]) {
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1797
			napi_synchronize(&adapter->q_vector[i]->napi);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1798
			napi_disable(&adapter->q_vector[i]->napi);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1799
		}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1800
	}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1801
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1802
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1803
	del_timer_sync(&adapter->watchdog_timer);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1804
	del_timer_sync(&adapter->phy_info_timer);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1805
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1806
	netif_carrier_off(netdev);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1807
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1808
	/* record the stats before reset*/
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1809
	spin_lock(&adapter->stats64_lock);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1810
	igb_update_stats(adapter, &adapter->stats64);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1811
	spin_unlock(&adapter->stats64_lock);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1812
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1813
	adapter->link_speed = 0;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1814
	adapter->link_duplex = 0;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1815
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1816
	if (!pci_channel_offline(adapter->pdev))
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1817
		igb_reset(adapter);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1818
	igb_clean_all_tx_rings(adapter);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1819
	igb_clean_all_rx_rings(adapter);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1820
#ifdef CONFIG_IGB_DCA
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1821
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1822
	/* since we reset the hardware DCA settings were cleared */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1823
	igb_setup_dca(adapter);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1824
#endif
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1825
}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1826
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1827
void igb_reinit_locked(struct igb_adapter *adapter)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1828
{
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1829
	WARN_ON(in_interrupt());
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1830
	while (test_and_set_bit(__IGB_RESETTING, &adapter->state))
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1831
		usleep_range(1000, 2000);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1832
	igb_down(adapter);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1833
	igb_up(adapter);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1834
	clear_bit(__IGB_RESETTING, &adapter->state);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1835
}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1836
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1837
/** igb_enable_mas - Media Autosense re-enable after swap
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1838
 *
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1839
 * @adapter: adapter struct
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1840
 **/
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1841
static s32 igb_enable_mas(struct igb_adapter *adapter)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1842
{
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1843
	struct e1000_hw *hw = &adapter->hw;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1844
	u32 connsw;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1845
	s32 ret_val = 0;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1846
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1847
	connsw = rd32(E1000_CONNSW);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1848
	if (!(hw->phy.media_type == e1000_media_type_copper))
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1849
		return ret_val;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1850
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1851
	/* configure for SerDes media detect */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1852
	if (!(connsw & E1000_CONNSW_SERDESD)) {
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1853
		connsw |= E1000_CONNSW_ENRGSRC;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1854
		connsw |= E1000_CONNSW_AUTOSENSE_EN;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1855
		wr32(E1000_CONNSW, connsw);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1856
		wrfl();
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1857
	} else if (connsw & E1000_CONNSW_SERDESD) {
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1858
		/* already SerDes, no need to enable anything */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1859
		return ret_val;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1860
	} else {
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1861
		netdev_info(adapter->netdev,
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1862
			"MAS: Unable to configure feature, disabling..\n");
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1863
		adapter->flags &= ~IGB_FLAG_MAS_ENABLE;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1864
	}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1865
	return ret_val;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1866
}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1867
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1868
void igb_reset(struct igb_adapter *adapter)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1869
{
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1870
	struct pci_dev *pdev = adapter->pdev;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1871
	struct e1000_hw *hw = &adapter->hw;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1872
	struct e1000_mac_info *mac = &hw->mac;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1873
	struct e1000_fc_info *fc = &hw->fc;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1874
	u32 pba = 0, tx_space, min_tx_space, min_rx_space, hwm;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1875
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1876
	/* Repartition Pba for greater than 9k mtu
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1877
	 * To take effect CTRL.RST is required.
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1878
	 */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1879
	switch (mac->type) {
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1880
	case e1000_i350:
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1881
	case e1000_i354:
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1882
	case e1000_82580:
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1883
		pba = rd32(E1000_RXPBS);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1884
		pba = igb_rxpbs_adjust_82580(pba);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1885
		break;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1886
	case e1000_82576:
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1887
		pba = rd32(E1000_RXPBS);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1888
		pba &= E1000_RXPBS_SIZE_MASK_82576;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1889
		break;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1890
	case e1000_82575:
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1891
	case e1000_i210:
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1892
	case e1000_i211:
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1893
	default:
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1894
		pba = E1000_PBA_34K;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1895
		break;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1896
	}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1897
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1898
	if ((adapter->max_frame_size > ETH_FRAME_LEN + ETH_FCS_LEN) &&
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1899
	    (mac->type < e1000_82576)) {
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1900
		/* adjust PBA for jumbo frames */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1901
		wr32(E1000_PBA, pba);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1902
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1903
		/* To maintain wire speed transmits, the Tx FIFO should be
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1904
		 * large enough to accommodate two full transmit packets,
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1905
		 * rounded up to the next 1KB and expressed in KB.  Likewise,
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1906
		 * the Rx FIFO should be large enough to accommodate at least
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1907
		 * one full receive packet and is similarly rounded up and
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1908
		 * expressed in KB.
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1909
		 */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1910
		pba = rd32(E1000_PBA);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1911
		/* upper 16 bits has Tx packet buffer allocation size in KB */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1912
		tx_space = pba >> 16;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1913
		/* lower 16 bits has Rx packet buffer allocation size in KB */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1914
		pba &= 0xffff;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1915
		/* the Tx fifo also stores 16 bytes of information about the Tx
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1916
		 * but don't include ethernet FCS because hardware appends it
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1917
		 */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1918
		min_tx_space = (adapter->max_frame_size +
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1919
				sizeof(union e1000_adv_tx_desc) -
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1920
				ETH_FCS_LEN) * 2;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1921
		min_tx_space = ALIGN(min_tx_space, 1024);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1922
		min_tx_space >>= 10;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1923
		/* software strips receive CRC, so leave room for it */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1924
		min_rx_space = adapter->max_frame_size;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1925
		min_rx_space = ALIGN(min_rx_space, 1024);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1926
		min_rx_space >>= 10;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1927
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1928
		/* If current Tx allocation is less than the min Tx FIFO size,
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1929
		 * and the min Tx FIFO size is less than the current Rx FIFO
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1930
		 * allocation, take space away from current Rx allocation
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1931
		 */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1932
		if (tx_space < min_tx_space &&
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1933
		    ((min_tx_space - tx_space) < pba)) {
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1934
			pba = pba - (min_tx_space - tx_space);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1935
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1936
			/* if short on Rx space, Rx wins and must trump Tx
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1937
			 * adjustment
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1938
			 */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1939
			if (pba < min_rx_space)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1940
				pba = min_rx_space;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1941
		}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1942
		wr32(E1000_PBA, pba);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1943
	}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1944
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1945
	/* flow control settings */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1946
	/* The high water mark must be low enough to fit one full frame
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1947
	 * (or the size used for early receive) above it in the Rx FIFO.
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1948
	 * Set it to the lower of:
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1949
	 * - 90% of the Rx FIFO size, or
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1950
	 * - the full Rx FIFO size minus one full frame
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1951
	 */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1952
	hwm = min(((pba << 10) * 9 / 10),
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1953
			((pba << 10) - 2 * adapter->max_frame_size));
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1954
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1955
	fc->high_water = hwm & 0xFFFFFFF0;	/* 16-byte granularity */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1956
	fc->low_water = fc->high_water - 16;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1957
	fc->pause_time = 0xFFFF;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1958
	fc->send_xon = 1;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1959
	fc->current_mode = fc->requested_mode;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1960
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1961
	/* disable receive for all VFs and wait one second */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1962
	if (adapter->vfs_allocated_count) {
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1963
		int i;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1964
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1965
		for (i = 0 ; i < adapter->vfs_allocated_count; i++)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1966
			adapter->vf_data[i].flags &= IGB_VF_FLAG_PF_SET_MAC;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1967
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1968
		/* ping all the active vfs to let them know we are going down */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1969
		igb_ping_all_vfs(adapter);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1970
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1971
		/* disable transmits and receives */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1972
		wr32(E1000_VFRE, 0);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1973
		wr32(E1000_VFTE, 0);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1974
	}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1975
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1976
	/* Allow time for pending master requests to run */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1977
	hw->mac.ops.reset_hw(hw);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1978
	wr32(E1000_WUC, 0);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1979
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1980
	if (adapter->flags & IGB_FLAG_MEDIA_RESET) {
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1981
		/* need to resetup here after media swap */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1982
		adapter->ei.get_invariants(hw);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1983
		adapter->flags &= ~IGB_FLAG_MEDIA_RESET;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1984
	}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1985
	if (adapter->flags & IGB_FLAG_MAS_ENABLE) {
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1986
		if (igb_enable_mas(adapter))
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1987
			dev_err(&pdev->dev,
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1988
				"Error enabling Media Auto Sense\n");
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1989
	}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1990
	if (hw->mac.ops.init_hw(hw))
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1991
		dev_err(&pdev->dev, "Hardware Error\n");
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1992
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1993
	/* Flow control settings reset on hardware reset, so guarantee flow
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1994
	 * control is off when forcing speed.
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1995
	 */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1996
	if (!hw->mac.autoneg)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1997
		igb_force_mac_fc(hw);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1998
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  1999
	igb_init_dmac(adapter, pba);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2000
#ifdef CONFIG_IGB_HWMON
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2001
	/* Re-initialize the thermal sensor on i350 devices. */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2002
	if (!test_bit(__IGB_DOWN, &adapter->state)) {
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2003
		if (mac->type == e1000_i350 && hw->bus.func == 0) {
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2004
			/* If present, re-initialize the external thermal sensor
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2005
			 * interface.
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2006
			 */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2007
			if (adapter->ets)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2008
				mac->ops.init_thermal_sensor_thresh(hw);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2009
		}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2010
	}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2011
#endif
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2012
	/* Re-establish EEE setting */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2013
	if (hw->phy.media_type == e1000_media_type_copper) {
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2014
		switch (mac->type) {
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2015
		case e1000_i350:
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2016
		case e1000_i210:
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2017
		case e1000_i211:
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2018
			igb_set_eee_i350(hw, true, true);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2019
			break;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2020
		case e1000_i354:
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2021
			igb_set_eee_i354(hw, true, true);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2022
			break;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2023
		default:
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2024
			break;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2025
		}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2026
	}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2027
	if (!netif_running(adapter->netdev))
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2028
		igb_power_down_link(adapter);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2029
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2030
	igb_update_mng_vlan(adapter);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2031
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2032
	/* Enable h/w to recognize an 802.1Q VLAN Ethernet packet */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2033
	wr32(E1000_VET, ETHERNET_IEEE_VLAN_TYPE);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2034
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2035
	/* Re-enable PTP, where applicable. */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2036
	igb_ptp_reset(adapter);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2037
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2038
	igb_get_phy_info(hw);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2039
}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2040
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2041
static netdev_features_t igb_fix_features(struct net_device *netdev,
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2042
	netdev_features_t features)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2043
{
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2044
	/* Since there is no support for separate Rx/Tx vlan accel
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2045
	 * enable/disable make sure Tx flag is always in same state as Rx.
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2046
	 */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2047
	if (features & NETIF_F_HW_VLAN_CTAG_RX)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2048
		features |= NETIF_F_HW_VLAN_CTAG_TX;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2049
	else
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2050
		features &= ~NETIF_F_HW_VLAN_CTAG_TX;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2051
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2052
	return features;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2053
}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2054
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2055
static int igb_set_features(struct net_device *netdev,
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2056
	netdev_features_t features)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2057
{
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2058
	netdev_features_t changed = netdev->features ^ features;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2059
	struct igb_adapter *adapter = netdev_priv(netdev);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2060
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2061
	if (changed & NETIF_F_HW_VLAN_CTAG_RX)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2062
		igb_vlan_mode(netdev, features);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2063
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2064
	if (!(changed & NETIF_F_RXALL))
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2065
		return 0;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2066
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2067
	netdev->features = features;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2068
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2069
	if (netif_running(netdev))
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2070
		igb_reinit_locked(adapter);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2071
	else
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2072
		igb_reset(adapter);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2073
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2074
	return 0;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2075
}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2076
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2077
static const struct net_device_ops igb_netdev_ops = {
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2078
	.ndo_open		= igb_open,
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2079
	.ndo_stop		= igb_close,
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2080
	.ndo_start_xmit		= igb_xmit_frame,
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2081
	.ndo_get_stats64	= igb_get_stats64,
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2082
	.ndo_set_rx_mode	= igb_set_rx_mode,
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2083
	.ndo_set_mac_address	= igb_set_mac,
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2084
	.ndo_change_mtu		= igb_change_mtu,
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2085
	.ndo_do_ioctl		= igb_ioctl,
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2086
	.ndo_tx_timeout		= igb_tx_timeout,
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2087
	.ndo_validate_addr	= eth_validate_addr,
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2088
	.ndo_vlan_rx_add_vid	= igb_vlan_rx_add_vid,
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2089
	.ndo_vlan_rx_kill_vid	= igb_vlan_rx_kill_vid,
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2090
	.ndo_set_vf_mac		= igb_ndo_set_vf_mac,
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2091
	.ndo_set_vf_vlan	= igb_ndo_set_vf_vlan,
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2092
	.ndo_set_vf_rate	= igb_ndo_set_vf_bw,
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2093
	.ndo_set_vf_spoofchk	= igb_ndo_set_vf_spoofchk,
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2094
	.ndo_get_vf_config	= igb_ndo_get_vf_config,
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2095
#ifdef CONFIG_NET_POLL_CONTROLLER
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2096
	.ndo_poll_controller	= igb_netpoll,
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2097
#endif
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2098
	.ndo_fix_features	= igb_fix_features,
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2099
	.ndo_set_features	= igb_set_features,
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2100
};
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2101
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2102
/**
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2103
 * igb_set_fw_version - Configure version string for ethtool
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2104
 * @adapter: adapter struct
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2105
 **/
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2106
void igb_set_fw_version(struct igb_adapter *adapter)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2107
{
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2108
	struct e1000_hw *hw = &adapter->hw;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2109
	struct e1000_fw_version fw;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2110
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2111
	igb_get_fw_version(hw, &fw);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2112
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2113
	switch (hw->mac.type) {
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2114
	case e1000_i210:
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2115
	case e1000_i211:
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2116
		if (!(igb_get_flash_presence_i210(hw))) {
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2117
			snprintf(adapter->fw_version,
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2118
				 sizeof(adapter->fw_version),
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2119
				 "%2d.%2d-%d",
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2120
				 fw.invm_major, fw.invm_minor,
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2121
				 fw.invm_img_type);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2122
			break;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2123
		}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2124
		/* fall through */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2125
	default:
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2126
		/* if option is rom valid, display its version too */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2127
		if (fw.or_valid) {
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2128
			snprintf(adapter->fw_version,
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2129
				 sizeof(adapter->fw_version),
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2130
				 "%d.%d, 0x%08x, %d.%d.%d",
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2131
				 fw.eep_major, fw.eep_minor, fw.etrack_id,
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2132
				 fw.or_major, fw.or_build, fw.or_patch);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2133
		/* no option rom */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2134
		} else if (fw.etrack_id != 0X0000) {
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2135
			snprintf(adapter->fw_version,
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2136
			    sizeof(adapter->fw_version),
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2137
			    "%d.%d, 0x%08x",
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2138
			    fw.eep_major, fw.eep_minor, fw.etrack_id);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2139
		} else {
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2140
		snprintf(adapter->fw_version,
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2141
		    sizeof(adapter->fw_version),
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2142
		    "%d.%d.%d",
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2143
		    fw.eep_major, fw.eep_minor, fw.eep_build);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2144
		}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2145
		break;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2146
	}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2147
}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2148
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2149
/**
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2150
 * igb_init_mas - init Media Autosense feature if enabled in the NVM
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2151
 *
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2152
 * @adapter: adapter struct
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2153
 **/
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2154
static void igb_init_mas(struct igb_adapter *adapter)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2155
{
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2156
	struct e1000_hw *hw = &adapter->hw;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2157
	u16 eeprom_data;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2158
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2159
	hw->nvm.ops.read(hw, NVM_COMPAT, 1, &eeprom_data);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2160
	switch (hw->bus.func) {
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2161
	case E1000_FUNC_0:
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2162
		if (eeprom_data & IGB_MAS_ENABLE_0) {
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2163
			adapter->flags |= IGB_FLAG_MAS_ENABLE;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2164
			netdev_info(adapter->netdev,
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2165
				"MAS: Enabling Media Autosense for port %d\n",
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2166
				hw->bus.func);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2167
		}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2168
		break;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2169
	case E1000_FUNC_1:
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2170
		if (eeprom_data & IGB_MAS_ENABLE_1) {
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2171
			adapter->flags |= IGB_FLAG_MAS_ENABLE;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2172
			netdev_info(adapter->netdev,
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2173
				"MAS: Enabling Media Autosense for port %d\n",
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2174
				hw->bus.func);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2175
		}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2176
		break;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2177
	case E1000_FUNC_2:
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2178
		if (eeprom_data & IGB_MAS_ENABLE_2) {
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2179
			adapter->flags |= IGB_FLAG_MAS_ENABLE;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2180
			netdev_info(adapter->netdev,
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2181
				"MAS: Enabling Media Autosense for port %d\n",
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2182
				hw->bus.func);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2183
		}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2184
		break;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2185
	case E1000_FUNC_3:
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2186
		if (eeprom_data & IGB_MAS_ENABLE_3) {
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2187
			adapter->flags |= IGB_FLAG_MAS_ENABLE;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2188
			netdev_info(adapter->netdev,
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2189
				"MAS: Enabling Media Autosense for port %d\n",
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2190
				hw->bus.func);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2191
		}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2192
		break;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2193
	default:
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2194
		/* Shouldn't get here */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2195
		netdev_err(adapter->netdev,
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2196
			"MAS: Invalid port configuration, returning\n");
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2197
		break;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2198
	}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2199
}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2200
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2201
/**
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2202
 *  igb_init_i2c - Init I2C interface
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2203
 *  @adapter: pointer to adapter structure
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2204
 **/
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2205
static s32 igb_init_i2c(struct igb_adapter *adapter)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2206
{
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2207
	s32 status = 0;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2208
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2209
	/* I2C interface supported on i350 devices */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2210
	if (adapter->hw.mac.type != e1000_i350)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2211
		return 0;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2212
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2213
	/* Initialize the i2c bus which is controlled by the registers.
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2214
	 * This bus will use the i2c_algo_bit structue that implements
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2215
	 * the protocol through toggling of the 4 bits in the register.
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2216
	 */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2217
	adapter->i2c_adap.owner = THIS_MODULE;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2218
	adapter->i2c_algo = igb_i2c_algo;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2219
	adapter->i2c_algo.data = adapter;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2220
	adapter->i2c_adap.algo_data = &adapter->i2c_algo;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2221
	adapter->i2c_adap.dev.parent = &adapter->pdev->dev;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2222
	strlcpy(adapter->i2c_adap.name, "igb BB",
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2223
		sizeof(adapter->i2c_adap.name));
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2224
	status = i2c_bit_add_bus(&adapter->i2c_adap);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2225
	return status;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2226
}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2227
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2228
/**
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2229
 *  igb_probe - Device Initialization Routine
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2230
 *  @pdev: PCI device information struct
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2231
 *  @ent: entry in igb_pci_tbl
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2232
 *
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2233
 *  Returns 0 on success, negative on failure
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2234
 *
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2235
 *  igb_probe initializes an adapter identified by a pci_dev structure.
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2236
 *  The OS initialization, configuring of the adapter private structure,
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2237
 *  and a hardware reset occur.
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2238
 **/
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2239
static int igb_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2240
{
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2241
	struct net_device *netdev;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2242
	struct igb_adapter *adapter;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2243
	struct e1000_hw *hw;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2244
	u16 eeprom_data = 0;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2245
	s32 ret_val;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2246
	static int global_quad_port_a; /* global quad port a indication */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2247
	const struct e1000_info *ei = igb_info_tbl[ent->driver_data];
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2248
	int err, pci_using_dac;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2249
	u8 part_str[E1000_PBANUM_LENGTH];
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2250
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2251
	/* Catch broken hardware that put the wrong VF device ID in
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2252
	 * the PCIe SR-IOV capability.
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2253
	 */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2254
	if (pdev->is_virtfn) {
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2255
		WARN(1, KERN_ERR "%s (%hx:%hx) should not be a VF!\n",
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2256
			pci_name(pdev), pdev->vendor, pdev->device);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2257
		return -EINVAL;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2258
	}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2259
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2260
	err = pci_enable_device_mem(pdev);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2261
	if (err)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2262
		return err;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2263
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2264
	pci_using_dac = 0;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2265
	err = dma_set_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(64));
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2266
	if (!err) {
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2267
		pci_using_dac = 1;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2268
	} else {
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2269
		err = dma_set_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(32));
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2270
		if (err) {
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2271
			dev_err(&pdev->dev,
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2272
				"No usable DMA configuration, aborting\n");
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2273
			goto err_dma;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2274
		}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2275
	}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2276
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2277
	err = pci_request_selected_regions(pdev, pci_select_bars(pdev,
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2278
					   IORESOURCE_MEM),
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2279
					   igb_driver_name);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2280
	if (err)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2281
		goto err_pci_reg;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2282
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2283
	pci_enable_pcie_error_reporting(pdev);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2284
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2285
	pci_set_master(pdev);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2286
	pci_save_state(pdev);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2287
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2288
	err = -ENOMEM;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2289
	netdev = alloc_etherdev_mq(sizeof(struct igb_adapter),
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2290
				   IGB_MAX_TX_QUEUES);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2291
	if (!netdev)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2292
		goto err_alloc_etherdev;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2293
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2294
	SET_NETDEV_DEV(netdev, &pdev->dev);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2295
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2296
	pci_set_drvdata(pdev, netdev);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2297
	adapter = netdev_priv(netdev);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2298
	adapter->netdev = netdev;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2299
	adapter->pdev = pdev;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2300
	hw = &adapter->hw;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2301
	hw->back = adapter;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2302
	adapter->msg_enable = netif_msg_init(debug, DEFAULT_MSG_ENABLE);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2303
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2304
	err = -EIO;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2305
	hw->hw_addr = pci_iomap(pdev, 0, 0);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2306
	if (!hw->hw_addr)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2307
		goto err_ioremap;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2308
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2309
	netdev->netdev_ops = &igb_netdev_ops;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2310
	igb_set_ethtool_ops(netdev);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2311
	netdev->watchdog_timeo = 5 * HZ;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2312
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2313
	strncpy(netdev->name, pci_name(pdev), sizeof(netdev->name) - 1);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2314
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2315
	netdev->mem_start = pci_resource_start(pdev, 0);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2316
	netdev->mem_end = pci_resource_end(pdev, 0);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2317
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2318
	/* PCI config space info */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2319
	hw->vendor_id = pdev->vendor;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2320
	hw->device_id = pdev->device;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2321
	hw->revision_id = pdev->revision;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2322
	hw->subsystem_vendor_id = pdev->subsystem_vendor;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2323
	hw->subsystem_device_id = pdev->subsystem_device;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2324
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2325
	/* Copy the default MAC, PHY and NVM function pointers */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2326
	memcpy(&hw->mac.ops, ei->mac_ops, sizeof(hw->mac.ops));
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2327
	memcpy(&hw->phy.ops, ei->phy_ops, sizeof(hw->phy.ops));
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2328
	memcpy(&hw->nvm.ops, ei->nvm_ops, sizeof(hw->nvm.ops));
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2329
	/* Initialize skew-specific constants */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2330
	err = ei->get_invariants(hw);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2331
	if (err)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2332
		goto err_sw_init;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2333
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2334
	/* setup the private structure */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2335
	err = igb_sw_init(adapter);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2336
	if (err)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2337
		goto err_sw_init;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2338
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2339
	igb_get_bus_info_pcie(hw);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2340
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2341
	hw->phy.autoneg_wait_to_complete = false;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2342
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2343
	/* Copper options */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2344
	if (hw->phy.media_type == e1000_media_type_copper) {
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2345
		hw->phy.mdix = AUTO_ALL_MODES;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2346
		hw->phy.disable_polarity_correction = false;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2347
		hw->phy.ms_type = e1000_ms_hw_default;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2348
	}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2349
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2350
	if (igb_check_reset_block(hw))
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2351
		dev_info(&pdev->dev,
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2352
			"PHY reset is blocked due to SOL/IDER session.\n");
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2353
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2354
	/* features is initialized to 0 in allocation, it might have bits
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2355
	 * set by igb_sw_init so we should use an or instead of an
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2356
	 * assignment.
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2357
	 */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2358
	netdev->features |= NETIF_F_SG |
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2359
			    NETIF_F_IP_CSUM |
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2360
			    NETIF_F_IPV6_CSUM |
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2361
			    NETIF_F_TSO |
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2362
			    NETIF_F_TSO6 |
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2363
			    NETIF_F_RXHASH |
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2364
			    NETIF_F_RXCSUM |
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2365
			    NETIF_F_HW_VLAN_CTAG_RX |
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2366
			    NETIF_F_HW_VLAN_CTAG_TX;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2367
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2368
	/* copy netdev features into list of user selectable features */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2369
	netdev->hw_features |= netdev->features;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2370
	netdev->hw_features |= NETIF_F_RXALL;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2371
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2372
	/* set this bit last since it cannot be part of hw_features */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2373
	netdev->features |= NETIF_F_HW_VLAN_CTAG_FILTER;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2374
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2375
	netdev->vlan_features |= NETIF_F_TSO |
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2376
				 NETIF_F_TSO6 |
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2377
				 NETIF_F_IP_CSUM |
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2378
				 NETIF_F_IPV6_CSUM |
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2379
				 NETIF_F_SG;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2380
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2381
	netdev->priv_flags |= IFF_SUPP_NOFCS;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2382
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2383
	if (pci_using_dac) {
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2384
		netdev->features |= NETIF_F_HIGHDMA;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2385
		netdev->vlan_features |= NETIF_F_HIGHDMA;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2386
	}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2387
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2388
	if (hw->mac.type >= e1000_82576) {
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2389
		netdev->hw_features |= NETIF_F_SCTP_CSUM;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2390
		netdev->features |= NETIF_F_SCTP_CSUM;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2391
	}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2392
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2393
	netdev->priv_flags |= IFF_UNICAST_FLT;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2394
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2395
	adapter->en_mng_pt = igb_enable_mng_pass_thru(hw);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2396
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2397
	/* before reading the NVM, reset the controller to put the device in a
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2398
	 * known good starting state
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2399
	 */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2400
	hw->mac.ops.reset_hw(hw);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2401
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2402
	/* make sure the NVM is good , i211/i210 parts can have special NVM
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2403
	 * that doesn't contain a checksum
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2404
	 */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2405
	switch (hw->mac.type) {
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2406
	case e1000_i210:
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2407
	case e1000_i211:
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2408
		if (igb_get_flash_presence_i210(hw)) {
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2409
			if (hw->nvm.ops.validate(hw) < 0) {
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2410
				dev_err(&pdev->dev,
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2411
					"The NVM Checksum Is Not Valid\n");
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2412
				err = -EIO;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2413
				goto err_eeprom;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2414
			}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2415
		}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2416
		break;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2417
	default:
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2418
		if (hw->nvm.ops.validate(hw) < 0) {
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2419
			dev_err(&pdev->dev, "The NVM Checksum Is Not Valid\n");
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2420
			err = -EIO;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2421
			goto err_eeprom;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2422
		}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2423
		break;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2424
	}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2425
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2426
	/* copy the MAC address out of the NVM */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2427
	if (hw->mac.ops.read_mac_addr(hw))
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2428
		dev_err(&pdev->dev, "NVM Read Error\n");
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2429
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2430
	memcpy(netdev->dev_addr, hw->mac.addr, netdev->addr_len);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2431
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2432
	if (!is_valid_ether_addr(netdev->dev_addr)) {
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2433
		dev_err(&pdev->dev, "Invalid MAC Address\n");
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2434
		err = -EIO;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2435
		goto err_eeprom;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2436
	}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2437
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2438
	/* get firmware version for ethtool -i */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2439
	igb_set_fw_version(adapter);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2440
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2441
	/* configure RXPBSIZE and TXPBSIZE */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2442
	if (hw->mac.type == e1000_i210) {
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2443
		wr32(E1000_RXPBS, I210_RXPBSIZE_DEFAULT);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2444
		wr32(E1000_TXPBS, I210_TXPBSIZE_DEFAULT);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2445
	}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2446
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2447
	setup_timer(&adapter->watchdog_timer, igb_watchdog,
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2448
		    (unsigned long) adapter);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2449
	setup_timer(&adapter->phy_info_timer, igb_update_phy_info,
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2450
		    (unsigned long) adapter);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2451
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2452
	INIT_WORK(&adapter->reset_task, igb_reset_task);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2453
	INIT_WORK(&adapter->watchdog_task, igb_watchdog_task);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2454
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2455
	/* Initialize link properties that are user-changeable */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2456
	adapter->fc_autoneg = true;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2457
	hw->mac.autoneg = true;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2458
	hw->phy.autoneg_advertised = 0x2f;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2459
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2460
	hw->fc.requested_mode = e1000_fc_default;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2461
	hw->fc.current_mode = e1000_fc_default;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2462
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2463
	igb_validate_mdi_setting(hw);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2464
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2465
	/* By default, support wake on port A */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2466
	if (hw->bus.func == 0)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2467
		adapter->flags |= IGB_FLAG_WOL_SUPPORTED;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2468
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2469
	/* Check the NVM for wake support on non-port A ports */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2470
	if (hw->mac.type >= e1000_82580)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2471
		hw->nvm.ops.read(hw, NVM_INIT_CONTROL3_PORT_A +
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2472
				 NVM_82580_LAN_FUNC_OFFSET(hw->bus.func), 1,
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2473
				 &eeprom_data);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2474
	else if (hw->bus.func == 1)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2475
		hw->nvm.ops.read(hw, NVM_INIT_CONTROL3_PORT_B, 1, &eeprom_data);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2476
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2477
	if (eeprom_data & IGB_EEPROM_APME)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2478
		adapter->flags |= IGB_FLAG_WOL_SUPPORTED;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2479
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2480
	/* now that we have the eeprom settings, apply the special cases where
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2481
	 * the eeprom may be wrong or the board simply won't support wake on
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2482
	 * lan on a particular port
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2483
	 */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2484
	switch (pdev->device) {
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2485
	case E1000_DEV_ID_82575GB_QUAD_COPPER:
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2486
		adapter->flags &= ~IGB_FLAG_WOL_SUPPORTED;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2487
		break;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2488
	case E1000_DEV_ID_82575EB_FIBER_SERDES:
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2489
	case E1000_DEV_ID_82576_FIBER:
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2490
	case E1000_DEV_ID_82576_SERDES:
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2491
		/* Wake events only supported on port A for dual fiber
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2492
		 * regardless of eeprom setting
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2493
		 */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2494
		if (rd32(E1000_STATUS) & E1000_STATUS_FUNC_1)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2495
			adapter->flags &= ~IGB_FLAG_WOL_SUPPORTED;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2496
		break;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2497
	case E1000_DEV_ID_82576_QUAD_COPPER:
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2498
	case E1000_DEV_ID_82576_QUAD_COPPER_ET2:
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2499
		/* if quad port adapter, disable WoL on all but port A */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2500
		if (global_quad_port_a != 0)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2501
			adapter->flags &= ~IGB_FLAG_WOL_SUPPORTED;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2502
		else
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2503
			adapter->flags |= IGB_FLAG_QUAD_PORT_A;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2504
		/* Reset for multiple quad port adapters */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2505
		if (++global_quad_port_a == 4)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2506
			global_quad_port_a = 0;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2507
		break;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2508
	default:
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2509
		/* If the device can't wake, don't set software support */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2510
		if (!device_can_wakeup(&adapter->pdev->dev))
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2511
			adapter->flags &= ~IGB_FLAG_WOL_SUPPORTED;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2512
	}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2513
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2514
	/* initialize the wol settings based on the eeprom settings */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2515
	if (adapter->flags & IGB_FLAG_WOL_SUPPORTED)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2516
		adapter->wol |= E1000_WUFC_MAG;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2517
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2518
	/* Some vendors want WoL disabled by default, but still supported */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2519
	if ((hw->mac.type == e1000_i350) &&
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2520
	    (pdev->subsystem_vendor == PCI_VENDOR_ID_HP)) {
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2521
		adapter->flags |= IGB_FLAG_WOL_SUPPORTED;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2522
		adapter->wol = 0;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2523
	}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2524
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2525
	device_set_wakeup_enable(&adapter->pdev->dev,
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2526
				 adapter->flags & IGB_FLAG_WOL_SUPPORTED);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2527
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2528
	/* reset the hardware with the new settings */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2529
	igb_reset(adapter);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2530
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2531
	/* Init the I2C interface */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2532
	err = igb_init_i2c(adapter);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2533
	if (err) {
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2534
		dev_err(&pdev->dev, "failed to init i2c interface\n");
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2535
		goto err_eeprom;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2536
	}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2537
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2538
	/* let the f/w know that the h/w is now under the control of the
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2539
	 * driver.
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2540
	 */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2541
	igb_get_hw_control(adapter);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2542
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2543
	strcpy(netdev->name, "eth%d");
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2544
	err = register_netdev(netdev);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2545
	if (err)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2546
		goto err_register;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2547
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2548
	/* carrier off reporting is important to ethtool even BEFORE open */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2549
	netif_carrier_off(netdev);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2550
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2551
#ifdef CONFIG_IGB_DCA
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2552
	if (dca_add_requester(&pdev->dev) == 0) {
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2553
		adapter->flags |= IGB_FLAG_DCA_ENABLED;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2554
		dev_info(&pdev->dev, "DCA enabled\n");
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2555
		igb_setup_dca(adapter);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2556
	}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2557
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2558
#endif
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2559
#ifdef CONFIG_IGB_HWMON
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2560
	/* Initialize the thermal sensor on i350 devices. */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2561
	if (hw->mac.type == e1000_i350 && hw->bus.func == 0) {
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2562
		u16 ets_word;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2563
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2564
		/* Read the NVM to determine if this i350 device supports an
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2565
		 * external thermal sensor.
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2566
		 */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2567
		hw->nvm.ops.read(hw, NVM_ETS_CFG, 1, &ets_word);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2568
		if (ets_word != 0x0000 && ets_word != 0xFFFF)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2569
			adapter->ets = true;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2570
		else
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2571
			adapter->ets = false;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2572
		if (igb_sysfs_init(adapter))
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2573
			dev_err(&pdev->dev,
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2574
				"failed to allocate sysfs resources\n");
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2575
	} else {
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2576
		adapter->ets = false;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2577
	}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2578
#endif
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2579
	/* Check if Media Autosense is enabled */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2580
	adapter->ei = *ei;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2581
	if (hw->dev_spec._82575.mas_capable)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2582
		igb_init_mas(adapter);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2583
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2584
	/* do hw tstamp init after resetting */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2585
	igb_ptp_init(adapter);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2586
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2587
	dev_info(&pdev->dev, "Intel(R) Gigabit Ethernet Network Connection\n");
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2588
	/* print bus type/speed/width info, not applicable to i354 */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2589
	if (hw->mac.type != e1000_i354) {
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2590
		dev_info(&pdev->dev, "%s: (PCIe:%s:%s) %pM\n",
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2591
			 netdev->name,
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2592
			 ((hw->bus.speed == e1000_bus_speed_2500) ? "2.5Gb/s" :
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2593
			  (hw->bus.speed == e1000_bus_speed_5000) ? "5.0Gb/s" :
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2594
			   "unknown"),
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2595
			 ((hw->bus.width == e1000_bus_width_pcie_x4) ?
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2596
			  "Width x4" :
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2597
			  (hw->bus.width == e1000_bus_width_pcie_x2) ?
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2598
			  "Width x2" :
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2599
			  (hw->bus.width == e1000_bus_width_pcie_x1) ?
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2600
			  "Width x1" : "unknown"), netdev->dev_addr);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2601
	}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2602
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2603
	if ((hw->mac.type >= e1000_i210 ||
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2604
	     igb_get_flash_presence_i210(hw))) {
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2605
		ret_val = igb_read_part_string(hw, part_str,
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2606
					       E1000_PBANUM_LENGTH);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2607
	} else {
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2608
		ret_val = -E1000_ERR_INVM_VALUE_NOT_FOUND;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2609
	}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2610
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2611
	if (ret_val)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2612
		strcpy(part_str, "Unknown");
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2613
	dev_info(&pdev->dev, "%s: PBA No: %s\n", netdev->name, part_str);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2614
	dev_info(&pdev->dev,
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2615
		"Using %s interrupts. %d rx queue(s), %d tx queue(s)\n",
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2616
		(adapter->flags & IGB_FLAG_HAS_MSIX) ? "MSI-X" :
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2617
		(adapter->flags & IGB_FLAG_HAS_MSI) ? "MSI" : "legacy",
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2618
		adapter->num_rx_queues, adapter->num_tx_queues);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2619
	if (hw->phy.media_type == e1000_media_type_copper) {
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2620
		switch (hw->mac.type) {
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2621
		case e1000_i350:
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2622
		case e1000_i210:
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2623
		case e1000_i211:
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2624
			/* Enable EEE for internal copper PHY devices */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2625
			err = igb_set_eee_i350(hw, true, true);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2626
			if ((!err) &&
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2627
			    (!hw->dev_spec._82575.eee_disable)) {
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2628
				adapter->eee_advert =
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2629
					MDIO_EEE_100TX | MDIO_EEE_1000T;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2630
				adapter->flags |= IGB_FLAG_EEE;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2631
			}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2632
			break;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2633
		case e1000_i354:
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2634
			if ((rd32(E1000_CTRL_EXT) &
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2635
			    E1000_CTRL_EXT_LINK_MODE_SGMII)) {
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2636
				err = igb_set_eee_i354(hw, true, true);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2637
				if ((!err) &&
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2638
					(!hw->dev_spec._82575.eee_disable)) {
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2639
					adapter->eee_advert =
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2640
					   MDIO_EEE_100TX | MDIO_EEE_1000T;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2641
					adapter->flags |= IGB_FLAG_EEE;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2642
				}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2643
			}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2644
			break;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2645
		default:
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2646
			break;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2647
		}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2648
	}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2649
	pm_runtime_put_noidle(&pdev->dev);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2650
	return 0;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2651
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2652
err_register:
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2653
	igb_release_hw_control(adapter);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2654
	memset(&adapter->i2c_adap, 0, sizeof(adapter->i2c_adap));
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2655
err_eeprom:
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2656
	if (!igb_check_reset_block(hw))
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2657
		igb_reset_phy(hw);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2658
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2659
	if (hw->flash_address)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2660
		iounmap(hw->flash_address);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2661
err_sw_init:
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2662
	igb_clear_interrupt_scheme(adapter);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2663
	pci_iounmap(pdev, hw->hw_addr);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2664
err_ioremap:
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2665
	free_netdev(netdev);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2666
err_alloc_etherdev:
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2667
	pci_release_selected_regions(pdev,
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2668
				     pci_select_bars(pdev, IORESOURCE_MEM));
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2669
err_pci_reg:
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2670
err_dma:
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2671
	pci_disable_device(pdev);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2672
	return err;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2673
}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2674
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2675
#ifdef CONFIG_PCI_IOV
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2676
static int igb_disable_sriov(struct pci_dev *pdev)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2677
{
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2678
	struct net_device *netdev = pci_get_drvdata(pdev);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2679
	struct igb_adapter *adapter = netdev_priv(netdev);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2680
	struct e1000_hw *hw = &adapter->hw;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2681
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2682
	/* reclaim resources allocated to VFs */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2683
	if (adapter->vf_data) {
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2684
		/* disable iov and allow time for transactions to clear */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2685
		if (pci_vfs_assigned(pdev)) {
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2686
			dev_warn(&pdev->dev,
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2687
				 "Cannot deallocate SR-IOV virtual functions while they are assigned - VFs will not be deallocated\n");
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2688
			return -EPERM;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2689
		} else {
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2690
			pci_disable_sriov(pdev);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2691
			msleep(500);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2692
		}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2693
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2694
		kfree(adapter->vf_data);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2695
		adapter->vf_data = NULL;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2696
		adapter->vfs_allocated_count = 0;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2697
		wr32(E1000_IOVCTL, E1000_IOVCTL_REUSE_VFQ);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2698
		wrfl();
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2699
		msleep(100);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2700
		dev_info(&pdev->dev, "IOV Disabled\n");
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2701
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2702
		/* Re-enable DMA Coalescing flag since IOV is turned off */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2703
		adapter->flags |= IGB_FLAG_DMAC;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2704
	}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2705
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2706
	return 0;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2707
}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2708
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2709
static int igb_enable_sriov(struct pci_dev *pdev, int num_vfs)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2710
{
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2711
	struct net_device *netdev = pci_get_drvdata(pdev);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2712
	struct igb_adapter *adapter = netdev_priv(netdev);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2713
	int old_vfs = pci_num_vf(pdev);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2714
	int err = 0;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2715
	int i;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2716
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2717
	if (!(adapter->flags & IGB_FLAG_HAS_MSIX) || num_vfs > 7) {
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2718
		err = -EPERM;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2719
		goto out;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2720
	}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2721
	if (!num_vfs)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2722
		goto out;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2723
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2724
	if (old_vfs) {
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2725
		dev_info(&pdev->dev, "%d pre-allocated VFs found - override max_vfs setting of %d\n",
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2726
			 old_vfs, max_vfs);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2727
		adapter->vfs_allocated_count = old_vfs;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2728
	} else
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2729
		adapter->vfs_allocated_count = num_vfs;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2730
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2731
	adapter->vf_data = kcalloc(adapter->vfs_allocated_count,
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2732
				sizeof(struct vf_data_storage), GFP_KERNEL);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2733
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2734
	/* if allocation failed then we do not support SR-IOV */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2735
	if (!adapter->vf_data) {
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2736
		adapter->vfs_allocated_count = 0;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2737
		dev_err(&pdev->dev,
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2738
			"Unable to allocate memory for VF Data Storage\n");
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2739
		err = -ENOMEM;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2740
		goto out;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2741
	}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2742
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2743
	/* only call pci_enable_sriov() if no VFs are allocated already */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2744
	if (!old_vfs) {
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2745
		err = pci_enable_sriov(pdev, adapter->vfs_allocated_count);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2746
		if (err)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2747
			goto err_out;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2748
	}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2749
	dev_info(&pdev->dev, "%d VFs allocated\n",
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2750
		 adapter->vfs_allocated_count);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2751
	for (i = 0; i < adapter->vfs_allocated_count; i++)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2752
		igb_vf_configure(adapter, i);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2753
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2754
	/* DMA Coalescing is not supported in IOV mode. */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2755
	adapter->flags &= ~IGB_FLAG_DMAC;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2756
	goto out;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2757
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2758
err_out:
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2759
	kfree(adapter->vf_data);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2760
	adapter->vf_data = NULL;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2761
	adapter->vfs_allocated_count = 0;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2762
out:
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2763
	return err;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2764
}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2765
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2766
#endif
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2767
/**
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2768
 *  igb_remove_i2c - Cleanup  I2C interface
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2769
 *  @adapter: pointer to adapter structure
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2770
 **/
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2771
static void igb_remove_i2c(struct igb_adapter *adapter)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2772
{
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2773
	/* free the adapter bus structure */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2774
	i2c_del_adapter(&adapter->i2c_adap);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2775
}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2776
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2777
/**
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2778
 *  igb_remove - Device Removal Routine
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2779
 *  @pdev: PCI device information struct
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2780
 *
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2781
 *  igb_remove is called by the PCI subsystem to alert the driver
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2782
 *  that it should release a PCI device.  The could be caused by a
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2783
 *  Hot-Plug event, or because the driver is going to be removed from
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2784
 *  memory.
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2785
 **/
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2786
static void igb_remove(struct pci_dev *pdev)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2787
{
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2788
	struct net_device *netdev = pci_get_drvdata(pdev);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2789
	struct igb_adapter *adapter = netdev_priv(netdev);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2790
	struct e1000_hw *hw = &adapter->hw;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2791
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2792
	pm_runtime_get_noresume(&pdev->dev);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2793
#ifdef CONFIG_IGB_HWMON
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2794
	igb_sysfs_exit(adapter);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2795
#endif
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2796
	igb_remove_i2c(adapter);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2797
	igb_ptp_stop(adapter);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2798
	/* The watchdog timer may be rescheduled, so explicitly
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2799
	 * disable watchdog from being rescheduled.
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2800
	 */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2801
	set_bit(__IGB_DOWN, &adapter->state);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2802
	del_timer_sync(&adapter->watchdog_timer);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2803
	del_timer_sync(&adapter->phy_info_timer);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2804
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2805
	cancel_work_sync(&adapter->reset_task);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2806
	cancel_work_sync(&adapter->watchdog_task);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2807
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2808
#ifdef CONFIG_IGB_DCA
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2809
	if (adapter->flags & IGB_FLAG_DCA_ENABLED) {
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2810
		dev_info(&pdev->dev, "DCA disabled\n");
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2811
		dca_remove_requester(&pdev->dev);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2812
		adapter->flags &= ~IGB_FLAG_DCA_ENABLED;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2813
		wr32(E1000_DCA_CTRL, E1000_DCA_CTRL_DCA_MODE_DISABLE);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2814
	}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2815
#endif
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2816
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2817
	/* Release control of h/w to f/w.  If f/w is AMT enabled, this
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2818
	 * would have already happened in close and is redundant.
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2819
	 */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2820
	igb_release_hw_control(adapter);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2821
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2822
	unregister_netdev(netdev);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2823
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2824
	igb_clear_interrupt_scheme(adapter);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2825
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2826
#ifdef CONFIG_PCI_IOV
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2827
	igb_disable_sriov(pdev);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2828
#endif
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2829
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2830
	pci_iounmap(pdev, hw->hw_addr);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2831
	if (hw->flash_address)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2832
		iounmap(hw->flash_address);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2833
	pci_release_selected_regions(pdev,
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2834
				     pci_select_bars(pdev, IORESOURCE_MEM));
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2835
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2836
	kfree(adapter->shadow_vfta);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2837
	free_netdev(netdev);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2838
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2839
	pci_disable_pcie_error_reporting(pdev);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2840
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2841
	pci_disable_device(pdev);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2842
}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2843
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2844
/**
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2845
 *  igb_probe_vfs - Initialize vf data storage and add VFs to pci config space
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2846
 *  @adapter: board private structure to initialize
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2847
 *
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2848
 *  This function initializes the vf specific data storage and then attempts to
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2849
 *  allocate the VFs.  The reason for ordering it this way is because it is much
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2850
 *  mor expensive time wise to disable SR-IOV than it is to allocate and free
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2851
 *  the memory for the VFs.
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2852
 **/
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2853
static void igb_probe_vfs(struct igb_adapter *adapter)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2854
{
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2855
#ifdef CONFIG_PCI_IOV
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2856
	struct pci_dev *pdev = adapter->pdev;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2857
	struct e1000_hw *hw = &adapter->hw;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2858
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2859
	/* Virtualization features not supported on i210 family. */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2860
	if ((hw->mac.type == e1000_i210) || (hw->mac.type == e1000_i211))
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2861
		return;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2862
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2863
	pci_sriov_set_totalvfs(pdev, 7);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2864
	igb_pci_enable_sriov(pdev, max_vfs);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2865
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2866
#endif /* CONFIG_PCI_IOV */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2867
}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2868
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2869
static void igb_init_queue_configuration(struct igb_adapter *adapter)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2870
{
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2871
	struct e1000_hw *hw = &adapter->hw;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2872
	u32 max_rss_queues;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2873
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2874
	/* Determine the maximum number of RSS queues supported. */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2875
	switch (hw->mac.type) {
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2876
	case e1000_i211:
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2877
		max_rss_queues = IGB_MAX_RX_QUEUES_I211;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2878
		break;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2879
	case e1000_82575:
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2880
	case e1000_i210:
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2881
		max_rss_queues = IGB_MAX_RX_QUEUES_82575;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2882
		break;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2883
	case e1000_i350:
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2884
		/* I350 cannot do RSS and SR-IOV at the same time */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2885
		if (!!adapter->vfs_allocated_count) {
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2886
			max_rss_queues = 1;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2887
			break;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2888
		}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2889
		/* fall through */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2890
	case e1000_82576:
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2891
		if (!!adapter->vfs_allocated_count) {
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2892
			max_rss_queues = 2;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2893
			break;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2894
		}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2895
		/* fall through */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2896
	case e1000_82580:
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2897
	case e1000_i354:
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2898
	default:
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2899
		max_rss_queues = IGB_MAX_RX_QUEUES;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2900
		break;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2901
	}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2902
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2903
	adapter->rss_queues = min_t(u32, max_rss_queues, num_online_cpus());
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2904
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2905
	/* Determine if we need to pair queues. */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2906
	switch (hw->mac.type) {
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2907
	case e1000_82575:
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2908
	case e1000_i211:
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2909
		/* Device supports enough interrupts without queue pairing. */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2910
		break;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2911
	case e1000_82576:
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2912
		/* If VFs are going to be allocated with RSS queues then we
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2913
		 * should pair the queues in order to conserve interrupts due
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2914
		 * to limited supply.
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2915
		 */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2916
		if ((adapter->rss_queues > 1) &&
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2917
		    (adapter->vfs_allocated_count > 6))
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2918
			adapter->flags |= IGB_FLAG_QUEUE_PAIRS;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2919
		/* fall through */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2920
	case e1000_82580:
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2921
	case e1000_i350:
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2922
	case e1000_i354:
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2923
	case e1000_i210:
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2924
	default:
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2925
		/* If rss_queues > half of max_rss_queues, pair the queues in
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2926
		 * order to conserve interrupts due to limited supply.
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2927
		 */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2928
		if (adapter->rss_queues > (max_rss_queues / 2))
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2929
			adapter->flags |= IGB_FLAG_QUEUE_PAIRS;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2930
		break;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2931
	}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2932
}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2933
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2934
/**
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2935
 *  igb_sw_init - Initialize general software structures (struct igb_adapter)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2936
 *  @adapter: board private structure to initialize
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2937
 *
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2938
 *  igb_sw_init initializes the Adapter private data structure.
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2939
 *  Fields are initialized based on PCI device information and
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2940
 *  OS network device settings (MTU size).
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2941
 **/
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2942
static int igb_sw_init(struct igb_adapter *adapter)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2943
{
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2944
	struct e1000_hw *hw = &adapter->hw;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2945
	struct net_device *netdev = adapter->netdev;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2946
	struct pci_dev *pdev = adapter->pdev;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2947
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2948
	pci_read_config_word(pdev, PCI_COMMAND, &hw->bus.pci_cmd_word);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2949
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2950
	/* set default ring sizes */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2951
	adapter->tx_ring_count = IGB_DEFAULT_TXD;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2952
	adapter->rx_ring_count = IGB_DEFAULT_RXD;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2953
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2954
	/* set default ITR values */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2955
	adapter->rx_itr_setting = IGB_DEFAULT_ITR;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2956
	adapter->tx_itr_setting = IGB_DEFAULT_ITR;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2957
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2958
	/* set default work limits */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2959
	adapter->tx_work_limit = IGB_DEFAULT_TX_WORK;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2960
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2961
	adapter->max_frame_size = netdev->mtu + ETH_HLEN + ETH_FCS_LEN +
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2962
				  VLAN_HLEN;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2963
	adapter->min_frame_size = ETH_ZLEN + ETH_FCS_LEN;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2964
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2965
	spin_lock_init(&adapter->stats64_lock);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2966
#ifdef CONFIG_PCI_IOV
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2967
	switch (hw->mac.type) {
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2968
	case e1000_82576:
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2969
	case e1000_i350:
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2970
		if (max_vfs > 7) {
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2971
			dev_warn(&pdev->dev,
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2972
				 "Maximum of 7 VFs per PF, using max\n");
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2973
			max_vfs = adapter->vfs_allocated_count = 7;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2974
		} else
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2975
			adapter->vfs_allocated_count = max_vfs;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2976
		if (adapter->vfs_allocated_count)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2977
			dev_warn(&pdev->dev,
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2978
				 "Enabling SR-IOV VFs using the module parameter is deprecated - please use the pci sysfs interface.\n");
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2979
		break;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2980
	default:
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2981
		break;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2982
	}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2983
#endif /* CONFIG_PCI_IOV */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2984
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2985
	igb_init_queue_configuration(adapter);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2986
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2987
	/* Setup and initialize a copy of the hw vlan table array */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2988
	adapter->shadow_vfta = kcalloc(E1000_VLAN_FILTER_TBL_SIZE, sizeof(u32),
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2989
				       GFP_ATOMIC);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2990
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2991
	/* This call may decrease the number of queues */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2992
	if (igb_init_interrupt_scheme(adapter, true)) {
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2993
		dev_err(&pdev->dev, "Unable to allocate memory for queues\n");
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2994
		return -ENOMEM;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2995
	}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2996
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2997
	igb_probe_vfs(adapter);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2998
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  2999
	/* Explicitly disable IRQ since the NIC can be in any state. */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3000
	igb_irq_disable(adapter);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3001
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3002
	if (hw->mac.type >= e1000_i350)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3003
		adapter->flags &= ~IGB_FLAG_DMAC;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3004
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3005
	set_bit(__IGB_DOWN, &adapter->state);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3006
	return 0;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3007
}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3008
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3009
/**
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3010
 *  igb_open - Called when a network interface is made active
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3011
 *  @netdev: network interface device structure
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3012
 *
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3013
 *  Returns 0 on success, negative value on failure
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3014
 *
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3015
 *  The open entry point is called when a network interface is made
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3016
 *  active by the system (IFF_UP).  At this point all resources needed
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3017
 *  for transmit and receive operations are allocated, the interrupt
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3018
 *  handler is registered with the OS, the watchdog timer is started,
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3019
 *  and the stack is notified that the interface is ready.
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3020
 **/
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3021
static int __igb_open(struct net_device *netdev, bool resuming)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3022
{
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3023
	struct igb_adapter *adapter = netdev_priv(netdev);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3024
	struct e1000_hw *hw = &adapter->hw;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3025
	struct pci_dev *pdev = adapter->pdev;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3026
	int err;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3027
	int i;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3028
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3029
	/* disallow open during test */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3030
	if (test_bit(__IGB_TESTING, &adapter->state)) {
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3031
		WARN_ON(resuming);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3032
		return -EBUSY;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3033
	}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3034
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3035
	if (!resuming)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3036
		pm_runtime_get_sync(&pdev->dev);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3037
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3038
	netif_carrier_off(netdev);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3039
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3040
	/* allocate transmit descriptors */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3041
	err = igb_setup_all_tx_resources(adapter);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3042
	if (err)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3043
		goto err_setup_tx;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3044
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3045
	/* allocate receive descriptors */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3046
	err = igb_setup_all_rx_resources(adapter);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3047
	if (err)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3048
		goto err_setup_rx;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3049
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3050
	igb_power_up_link(adapter);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3051
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3052
	/* before we allocate an interrupt, we must be ready to handle it.
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3053
	 * Setting DEBUG_SHIRQ in the kernel makes it fire an interrupt
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3054
	 * as soon as we call pci_request_irq, so we have to setup our
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3055
	 * clean_rx handler before we do so.
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3056
	 */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3057
	igb_configure(adapter);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3058
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3059
	err = igb_request_irq(adapter);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3060
	if (err)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3061
		goto err_req_irq;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3062
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3063
	/* Notify the stack of the actual queue counts. */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3064
	err = netif_set_real_num_tx_queues(adapter->netdev,
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3065
					   adapter->num_tx_queues);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3066
	if (err)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3067
		goto err_set_queues;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3068
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3069
	err = netif_set_real_num_rx_queues(adapter->netdev,
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3070
					   adapter->num_rx_queues);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3071
	if (err)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3072
		goto err_set_queues;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3073
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3074
	/* From here on the code is the same as igb_up() */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3075
	clear_bit(__IGB_DOWN, &adapter->state);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3076
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3077
	for (i = 0; i < adapter->num_q_vectors; i++)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3078
		napi_enable(&(adapter->q_vector[i]->napi));
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3079
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3080
	/* Clear any pending interrupts. */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3081
	rd32(E1000_ICR);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3082
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3083
	igb_irq_enable(adapter);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3084
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3085
	/* notify VFs that reset has been completed */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3086
	if (adapter->vfs_allocated_count) {
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3087
		u32 reg_data = rd32(E1000_CTRL_EXT);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3088
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3089
		reg_data |= E1000_CTRL_EXT_PFRSTD;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3090
		wr32(E1000_CTRL_EXT, reg_data);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3091
	}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3092
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3093
	netif_tx_start_all_queues(netdev);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3094
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3095
	if (!resuming)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3096
		pm_runtime_put(&pdev->dev);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3097
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3098
	/* start the watchdog. */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3099
	hw->mac.get_link_status = 1;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3100
	schedule_work(&adapter->watchdog_task);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3101
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3102
	return 0;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3103
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3104
err_set_queues:
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3105
	igb_free_irq(adapter);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3106
err_req_irq:
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3107
	igb_release_hw_control(adapter);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3108
	igb_power_down_link(adapter);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3109
	igb_free_all_rx_resources(adapter);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3110
err_setup_rx:
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3111
	igb_free_all_tx_resources(adapter);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3112
err_setup_tx:
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3113
	igb_reset(adapter);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3114
	if (!resuming)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3115
		pm_runtime_put(&pdev->dev);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3116
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3117
	return err;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3118
}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3119
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3120
static int igb_open(struct net_device *netdev)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3121
{
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3122
	return __igb_open(netdev, false);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3123
}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3124
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3125
/**
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3126
 *  igb_close - Disables a network interface
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3127
 *  @netdev: network interface device structure
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3128
 *
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3129
 *  Returns 0, this is not allowed to fail
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3130
 *
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3131
 *  The close entry point is called when an interface is de-activated
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3132
 *  by the OS.  The hardware is still under the driver's control, but
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3133
 *  needs to be disabled.  A global MAC reset is issued to stop the
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3134
 *  hardware, and all transmit and receive resources are freed.
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3135
 **/
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3136
static int __igb_close(struct net_device *netdev, bool suspending)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3137
{
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3138
	struct igb_adapter *adapter = netdev_priv(netdev);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3139
	struct pci_dev *pdev = adapter->pdev;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3140
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3141
	WARN_ON(test_bit(__IGB_RESETTING, &adapter->state));
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3142
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3143
	if (!suspending)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3144
		pm_runtime_get_sync(&pdev->dev);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3145
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3146
	igb_down(adapter);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3147
	igb_free_irq(adapter);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3148
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3149
	igb_free_all_tx_resources(adapter);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3150
	igb_free_all_rx_resources(adapter);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3151
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3152
	if (!suspending)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3153
		pm_runtime_put_sync(&pdev->dev);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3154
	return 0;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3155
}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3156
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3157
static int igb_close(struct net_device *netdev)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3158
{
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3159
	return __igb_close(netdev, false);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3160
}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3161
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3162
/**
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3163
 *  igb_setup_tx_resources - allocate Tx resources (Descriptors)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3164
 *  @tx_ring: tx descriptor ring (for a specific queue) to setup
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3165
 *
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3166
 *  Return 0 on success, negative on failure
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3167
 **/
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3168
int igb_setup_tx_resources(struct igb_ring *tx_ring)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3169
{
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3170
	struct device *dev = tx_ring->dev;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3171
	int size;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3172
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3173
	size = sizeof(struct igb_tx_buffer) * tx_ring->count;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3174
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3175
	tx_ring->tx_buffer_info = vzalloc(size);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3176
	if (!tx_ring->tx_buffer_info)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3177
		goto err;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3178
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3179
	/* round up to nearest 4K */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3180
	tx_ring->size = tx_ring->count * sizeof(union e1000_adv_tx_desc);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3181
	tx_ring->size = ALIGN(tx_ring->size, 4096);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3182
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3183
	tx_ring->desc = dma_alloc_coherent(dev, tx_ring->size,
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3184
					   &tx_ring->dma, GFP_KERNEL);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3185
	if (!tx_ring->desc)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3186
		goto err;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3187
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3188
	tx_ring->next_to_use = 0;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3189
	tx_ring->next_to_clean = 0;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3190
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3191
	return 0;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3192
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3193
err:
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3194
	vfree(tx_ring->tx_buffer_info);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3195
	tx_ring->tx_buffer_info = NULL;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3196
	dev_err(dev, "Unable to allocate memory for the Tx descriptor ring\n");
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3197
	return -ENOMEM;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3198
}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3199
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3200
/**
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3201
 *  igb_setup_all_tx_resources - wrapper to allocate Tx resources
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3202
 *				 (Descriptors) for all queues
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3203
 *  @adapter: board private structure
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3204
 *
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3205
 *  Return 0 on success, negative on failure
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3206
 **/
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3207
static int igb_setup_all_tx_resources(struct igb_adapter *adapter)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3208
{
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3209
	struct pci_dev *pdev = adapter->pdev;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3210
	int i, err = 0;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3211
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3212
	for (i = 0; i < adapter->num_tx_queues; i++) {
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3213
		err = igb_setup_tx_resources(adapter->tx_ring[i]);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3214
		if (err) {
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3215
			dev_err(&pdev->dev,
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3216
				"Allocation for Tx Queue %u failed\n", i);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3217
			for (i--; i >= 0; i--)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3218
				igb_free_tx_resources(adapter->tx_ring[i]);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3219
			break;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3220
		}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3221
	}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3222
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3223
	return err;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3224
}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3225
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3226
/**
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3227
 *  igb_setup_tctl - configure the transmit control registers
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3228
 *  @adapter: Board private structure
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3229
 **/
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3230
void igb_setup_tctl(struct igb_adapter *adapter)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3231
{
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3232
	struct e1000_hw *hw = &adapter->hw;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3233
	u32 tctl;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3234
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3235
	/* disable queue 0 which is enabled by default on 82575 and 82576 */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3236
	wr32(E1000_TXDCTL(0), 0);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3237
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3238
	/* Program the Transmit Control Register */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3239
	tctl = rd32(E1000_TCTL);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3240
	tctl &= ~E1000_TCTL_CT;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3241
	tctl |= E1000_TCTL_PSP | E1000_TCTL_RTLC |
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3242
		(E1000_COLLISION_THRESHOLD << E1000_CT_SHIFT);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3243
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3244
	igb_config_collision_dist(hw);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3245
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3246
	/* Enable transmits */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3247
	tctl |= E1000_TCTL_EN;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3248
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3249
	wr32(E1000_TCTL, tctl);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3250
}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3251
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3252
/**
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3253
 *  igb_configure_tx_ring - Configure transmit ring after Reset
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3254
 *  @adapter: board private structure
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3255
 *  @ring: tx ring to configure
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3256
 *
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3257
 *  Configure a transmit ring after a reset.
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3258
 **/
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3259
void igb_configure_tx_ring(struct igb_adapter *adapter,
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3260
			   struct igb_ring *ring)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3261
{
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3262
	struct e1000_hw *hw = &adapter->hw;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3263
	u32 txdctl = 0;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3264
	u64 tdba = ring->dma;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3265
	int reg_idx = ring->reg_idx;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3266
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3267
	/* disable the queue */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3268
	wr32(E1000_TXDCTL(reg_idx), 0);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3269
	wrfl();
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3270
	mdelay(10);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3271
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3272
	wr32(E1000_TDLEN(reg_idx),
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3273
	     ring->count * sizeof(union e1000_adv_tx_desc));
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3274
	wr32(E1000_TDBAL(reg_idx),
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3275
	     tdba & 0x00000000ffffffffULL);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3276
	wr32(E1000_TDBAH(reg_idx), tdba >> 32);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3277
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3278
	ring->tail = hw->hw_addr + E1000_TDT(reg_idx);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3279
	wr32(E1000_TDH(reg_idx), 0);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3280
	writel(0, ring->tail);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3281
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3282
	txdctl |= IGB_TX_PTHRESH;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3283
	txdctl |= IGB_TX_HTHRESH << 8;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3284
	txdctl |= IGB_TX_WTHRESH << 16;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3285
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3286
	txdctl |= E1000_TXDCTL_QUEUE_ENABLE;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3287
	wr32(E1000_TXDCTL(reg_idx), txdctl);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3288
}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3289
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3290
/**
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3291
 *  igb_configure_tx - Configure transmit Unit after Reset
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3292
 *  @adapter: board private structure
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3293
 *
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3294
 *  Configure the Tx unit of the MAC after a reset.
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3295
 **/
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3296
static void igb_configure_tx(struct igb_adapter *adapter)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3297
{
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3298
	int i;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3299
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3300
	for (i = 0; i < adapter->num_tx_queues; i++)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3301
		igb_configure_tx_ring(adapter, adapter->tx_ring[i]);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3302
}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3303
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3304
/**
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3305
 *  igb_setup_rx_resources - allocate Rx resources (Descriptors)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3306
 *  @rx_ring: Rx descriptor ring (for a specific queue) to setup
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3307
 *
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3308
 *  Returns 0 on success, negative on failure
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3309
 **/
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3310
int igb_setup_rx_resources(struct igb_ring *rx_ring)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3311
{
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3312
	struct device *dev = rx_ring->dev;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3313
	int size;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3314
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3315
	size = sizeof(struct igb_rx_buffer) * rx_ring->count;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3316
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3317
	rx_ring->rx_buffer_info = vzalloc(size);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3318
	if (!rx_ring->rx_buffer_info)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3319
		goto err;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3320
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3321
	/* Round up to nearest 4K */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3322
	rx_ring->size = rx_ring->count * sizeof(union e1000_adv_rx_desc);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3323
	rx_ring->size = ALIGN(rx_ring->size, 4096);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3324
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3325
	rx_ring->desc = dma_alloc_coherent(dev, rx_ring->size,
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3326
					   &rx_ring->dma, GFP_KERNEL);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3327
	if (!rx_ring->desc)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3328
		goto err;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3329
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3330
	rx_ring->next_to_alloc = 0;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3331
	rx_ring->next_to_clean = 0;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3332
	rx_ring->next_to_use = 0;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3333
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3334
	return 0;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3335
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3336
err:
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3337
	vfree(rx_ring->rx_buffer_info);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3338
	rx_ring->rx_buffer_info = NULL;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3339
	dev_err(dev, "Unable to allocate memory for the Rx descriptor ring\n");
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3340
	return -ENOMEM;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3341
}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3342
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3343
/**
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3344
 *  igb_setup_all_rx_resources - wrapper to allocate Rx resources
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3345
 *				 (Descriptors) for all queues
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3346
 *  @adapter: board private structure
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3347
 *
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3348
 *  Return 0 on success, negative on failure
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3349
 **/
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3350
static int igb_setup_all_rx_resources(struct igb_adapter *adapter)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3351
{
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3352
	struct pci_dev *pdev = adapter->pdev;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3353
	int i, err = 0;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3354
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3355
	for (i = 0; i < adapter->num_rx_queues; i++) {
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3356
		err = igb_setup_rx_resources(adapter->rx_ring[i]);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3357
		if (err) {
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3358
			dev_err(&pdev->dev,
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3359
				"Allocation for Rx Queue %u failed\n", i);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3360
			for (i--; i >= 0; i--)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3361
				igb_free_rx_resources(adapter->rx_ring[i]);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3362
			break;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3363
		}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3364
	}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3365
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3366
	return err;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3367
}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3368
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3369
/**
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3370
 *  igb_setup_mrqc - configure the multiple receive queue control registers
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3371
 *  @adapter: Board private structure
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3372
 **/
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3373
static void igb_setup_mrqc(struct igb_adapter *adapter)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3374
{
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3375
	struct e1000_hw *hw = &adapter->hw;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3376
	u32 mrqc, rxcsum;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3377
	u32 j, num_rx_queues;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3378
	static const u32 rsskey[10] = { 0xDA565A6D, 0xC20E5B25, 0x3D256741,
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3379
					0xB08FA343, 0xCB2BCAD0, 0xB4307BAE,
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3380
					0xA32DCB77, 0x0CF23080, 0x3BB7426A,
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3381
					0xFA01ACBE };
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3382
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3383
	/* Fill out hash function seeds */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3384
	for (j = 0; j < 10; j++)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3385
		wr32(E1000_RSSRK(j), rsskey[j]);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3386
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3387
	num_rx_queues = adapter->rss_queues;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3388
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3389
	switch (hw->mac.type) {
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3390
	case e1000_82576:
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3391
		/* 82576 supports 2 RSS queues for SR-IOV */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3392
		if (adapter->vfs_allocated_count)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3393
			num_rx_queues = 2;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3394
		break;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3395
	default:
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3396
		break;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3397
	}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3398
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3399
	if (adapter->rss_indir_tbl_init != num_rx_queues) {
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3400
		for (j = 0; j < IGB_RETA_SIZE; j++)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3401
			adapter->rss_indir_tbl[j] =
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3402
			(j * num_rx_queues) / IGB_RETA_SIZE;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3403
		adapter->rss_indir_tbl_init = num_rx_queues;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3404
	}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3405
	igb_write_rss_indir_tbl(adapter);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3406
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3407
	/* Disable raw packet checksumming so that RSS hash is placed in
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3408
	 * descriptor on writeback.  No need to enable TCP/UDP/IP checksum
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3409
	 * offloads as they are enabled by default
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3410
	 */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3411
	rxcsum = rd32(E1000_RXCSUM);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3412
	rxcsum |= E1000_RXCSUM_PCSD;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3413
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3414
	if (adapter->hw.mac.type >= e1000_82576)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3415
		/* Enable Receive Checksum Offload for SCTP */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3416
		rxcsum |= E1000_RXCSUM_CRCOFL;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3417
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3418
	/* Don't need to set TUOFL or IPOFL, they default to 1 */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3419
	wr32(E1000_RXCSUM, rxcsum);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3420
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3421
	/* Generate RSS hash based on packet types, TCP/UDP
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3422
	 * port numbers and/or IPv4/v6 src and dst addresses
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3423
	 */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3424
	mrqc = E1000_MRQC_RSS_FIELD_IPV4 |
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3425
	       E1000_MRQC_RSS_FIELD_IPV4_TCP |
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3426
	       E1000_MRQC_RSS_FIELD_IPV6 |
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3427
	       E1000_MRQC_RSS_FIELD_IPV6_TCP |
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3428
	       E1000_MRQC_RSS_FIELD_IPV6_TCP_EX;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3429
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3430
	if (adapter->flags & IGB_FLAG_RSS_FIELD_IPV4_UDP)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3431
		mrqc |= E1000_MRQC_RSS_FIELD_IPV4_UDP;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3432
	if (adapter->flags & IGB_FLAG_RSS_FIELD_IPV6_UDP)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3433
		mrqc |= E1000_MRQC_RSS_FIELD_IPV6_UDP;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3434
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3435
	/* If VMDq is enabled then we set the appropriate mode for that, else
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3436
	 * we default to RSS so that an RSS hash is calculated per packet even
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3437
	 * if we are only using one queue
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3438
	 */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3439
	if (adapter->vfs_allocated_count) {
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3440
		if (hw->mac.type > e1000_82575) {
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3441
			/* Set the default pool for the PF's first queue */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3442
			u32 vtctl = rd32(E1000_VT_CTL);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3443
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3444
			vtctl &= ~(E1000_VT_CTL_DEFAULT_POOL_MASK |
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3445
				   E1000_VT_CTL_DISABLE_DEF_POOL);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3446
			vtctl |= adapter->vfs_allocated_count <<
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3447
				E1000_VT_CTL_DEFAULT_POOL_SHIFT;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3448
			wr32(E1000_VT_CTL, vtctl);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3449
		}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3450
		if (adapter->rss_queues > 1)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3451
			mrqc |= E1000_MRQC_ENABLE_VMDQ_RSS_2Q;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3452
		else
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3453
			mrqc |= E1000_MRQC_ENABLE_VMDQ;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3454
	} else {
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3455
		if (hw->mac.type != e1000_i211)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3456
			mrqc |= E1000_MRQC_ENABLE_RSS_4Q;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3457
	}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3458
	igb_vmm_control(adapter);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3459
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3460
	wr32(E1000_MRQC, mrqc);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3461
}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3462
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3463
/**
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3464
 *  igb_setup_rctl - configure the receive control registers
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3465
 *  @adapter: Board private structure
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3466
 **/
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3467
void igb_setup_rctl(struct igb_adapter *adapter)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3468
{
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3469
	struct e1000_hw *hw = &adapter->hw;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3470
	u32 rctl;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3471
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3472
	rctl = rd32(E1000_RCTL);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3473
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3474
	rctl &= ~(3 << E1000_RCTL_MO_SHIFT);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3475
	rctl &= ~(E1000_RCTL_LBM_TCVR | E1000_RCTL_LBM_MAC);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3476
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3477
	rctl |= E1000_RCTL_EN | E1000_RCTL_BAM | E1000_RCTL_RDMTS_HALF |
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3478
		(hw->mac.mc_filter_type << E1000_RCTL_MO_SHIFT);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3479
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3480
	/* enable stripping of CRC. It's unlikely this will break BMC
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3481
	 * redirection as it did with e1000. Newer features require
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3482
	 * that the HW strips the CRC.
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3483
	 */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3484
	rctl |= E1000_RCTL_SECRC;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3485
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3486
	/* disable store bad packets and clear size bits. */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3487
	rctl &= ~(E1000_RCTL_SBP | E1000_RCTL_SZ_256);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3488
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3489
	/* enable LPE to prevent packets larger than max_frame_size */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3490
	rctl |= E1000_RCTL_LPE;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3491
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3492
	/* disable queue 0 to prevent tail write w/o re-config */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3493
	wr32(E1000_RXDCTL(0), 0);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3494
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3495
	/* Attention!!!  For SR-IOV PF driver operations you must enable
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3496
	 * queue drop for all VF and PF queues to prevent head of line blocking
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3497
	 * if an un-trusted VF does not provide descriptors to hardware.
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3498
	 */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3499
	if (adapter->vfs_allocated_count) {
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3500
		/* set all queue drop enable bits */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3501
		wr32(E1000_QDE, ALL_QUEUES);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3502
	}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3503
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3504
	/* This is useful for sniffing bad packets. */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3505
	if (adapter->netdev->features & NETIF_F_RXALL) {
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3506
		/* UPE and MPE will be handled by normal PROMISC logic
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3507
		 * in e1000e_set_rx_mode
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3508
		 */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3509
		rctl |= (E1000_RCTL_SBP | /* Receive bad packets */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3510
			 E1000_RCTL_BAM | /* RX All Bcast Pkts */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3511
			 E1000_RCTL_PMCF); /* RX All MAC Ctrl Pkts */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3512
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3513
		rctl &= ~(E1000_RCTL_VFE | /* Disable VLAN filter */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3514
			  E1000_RCTL_DPF | /* Allow filtered pause */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3515
			  E1000_RCTL_CFIEN); /* Dis VLAN CFIEN Filter */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3516
		/* Do not mess with E1000_CTRL_VME, it affects transmit as well,
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3517
		 * and that breaks VLANs.
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3518
		 */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3519
	}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3520
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3521
	wr32(E1000_RCTL, rctl);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3522
}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3523
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3524
static inline int igb_set_vf_rlpml(struct igb_adapter *adapter, int size,
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3525
				   int vfn)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3526
{
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3527
	struct e1000_hw *hw = &adapter->hw;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3528
	u32 vmolr;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3529
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3530
	/* if it isn't the PF check to see if VFs are enabled and
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3531
	 * increase the size to support vlan tags
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3532
	 */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3533
	if (vfn < adapter->vfs_allocated_count &&
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3534
	    adapter->vf_data[vfn].vlans_enabled)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3535
		size += VLAN_TAG_SIZE;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3536
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3537
	vmolr = rd32(E1000_VMOLR(vfn));
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3538
	vmolr &= ~E1000_VMOLR_RLPML_MASK;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3539
	vmolr |= size | E1000_VMOLR_LPE;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3540
	wr32(E1000_VMOLR(vfn), vmolr);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3541
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3542
	return 0;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3543
}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3544
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3545
/**
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3546
 *  igb_rlpml_set - set maximum receive packet size
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3547
 *  @adapter: board private structure
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3548
 *
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3549
 *  Configure maximum receivable packet size.
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3550
 **/
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3551
static void igb_rlpml_set(struct igb_adapter *adapter)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3552
{
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3553
	u32 max_frame_size = adapter->max_frame_size;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3554
	struct e1000_hw *hw = &adapter->hw;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3555
	u16 pf_id = adapter->vfs_allocated_count;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3556
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3557
	if (pf_id) {
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3558
		igb_set_vf_rlpml(adapter, max_frame_size, pf_id);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3559
		/* If we're in VMDQ or SR-IOV mode, then set global RLPML
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3560
		 * to our max jumbo frame size, in case we need to enable
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3561
		 * jumbo frames on one of the rings later.
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3562
		 * This will not pass over-length frames into the default
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3563
		 * queue because it's gated by the VMOLR.RLPML.
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3564
		 */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3565
		max_frame_size = MAX_JUMBO_FRAME_SIZE;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3566
	}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3567
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3568
	wr32(E1000_RLPML, max_frame_size);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3569
}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3570
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3571
static inline void igb_set_vmolr(struct igb_adapter *adapter,
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3572
				 int vfn, bool aupe)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3573
{
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3574
	struct e1000_hw *hw = &adapter->hw;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3575
	u32 vmolr;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3576
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3577
	/* This register exists only on 82576 and newer so if we are older then
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3578
	 * we should exit and do nothing
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3579
	 */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3580
	if (hw->mac.type < e1000_82576)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3581
		return;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3582
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3583
	vmolr = rd32(E1000_VMOLR(vfn));
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3584
	vmolr |= E1000_VMOLR_STRVLAN; /* Strip vlan tags */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3585
	if (hw->mac.type == e1000_i350) {
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3586
		u32 dvmolr;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3587
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3588
		dvmolr = rd32(E1000_DVMOLR(vfn));
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3589
		dvmolr |= E1000_DVMOLR_STRVLAN;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3590
		wr32(E1000_DVMOLR(vfn), dvmolr);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3591
	}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3592
	if (aupe)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3593
		vmolr |= E1000_VMOLR_AUPE; /* Accept untagged packets */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3594
	else
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3595
		vmolr &= ~(E1000_VMOLR_AUPE); /* Tagged packets ONLY */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3596
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3597
	/* clear all bits that might not be set */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3598
	vmolr &= ~(E1000_VMOLR_BAM | E1000_VMOLR_RSSE);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3599
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3600
	if (adapter->rss_queues > 1 && vfn == adapter->vfs_allocated_count)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3601
		vmolr |= E1000_VMOLR_RSSE; /* enable RSS */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3602
	/* for VMDq only allow the VFs and pool 0 to accept broadcast and
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3603
	 * multicast packets
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3604
	 */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3605
	if (vfn <= adapter->vfs_allocated_count)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3606
		vmolr |= E1000_VMOLR_BAM; /* Accept broadcast */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3607
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3608
	wr32(E1000_VMOLR(vfn), vmolr);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3609
}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3610
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3611
/**
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3612
 *  igb_configure_rx_ring - Configure a receive ring after Reset
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3613
 *  @adapter: board private structure
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3614
 *  @ring: receive ring to be configured
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3615
 *
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3616
 *  Configure the Rx unit of the MAC after a reset.
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3617
 **/
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3618
void igb_configure_rx_ring(struct igb_adapter *adapter,
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3619
			   struct igb_ring *ring)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3620
{
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3621
	struct e1000_hw *hw = &adapter->hw;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3622
	u64 rdba = ring->dma;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3623
	int reg_idx = ring->reg_idx;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3624
	u32 srrctl = 0, rxdctl = 0;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3625
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3626
	/* disable the queue */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3627
	wr32(E1000_RXDCTL(reg_idx), 0);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3628
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3629
	/* Set DMA base address registers */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3630
	wr32(E1000_RDBAL(reg_idx),
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3631
	     rdba & 0x00000000ffffffffULL);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3632
	wr32(E1000_RDBAH(reg_idx), rdba >> 32);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3633
	wr32(E1000_RDLEN(reg_idx),
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3634
	     ring->count * sizeof(union e1000_adv_rx_desc));
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3635
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3636
	/* initialize head and tail */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3637
	ring->tail = hw->hw_addr + E1000_RDT(reg_idx);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3638
	wr32(E1000_RDH(reg_idx), 0);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3639
	writel(0, ring->tail);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3640
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3641
	/* set descriptor configuration */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3642
	srrctl = IGB_RX_HDR_LEN << E1000_SRRCTL_BSIZEHDRSIZE_SHIFT;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3643
	srrctl |= IGB_RX_BUFSZ >> E1000_SRRCTL_BSIZEPKT_SHIFT;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3644
	srrctl |= E1000_SRRCTL_DESCTYPE_ADV_ONEBUF;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3645
	if (hw->mac.type >= e1000_82580)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3646
		srrctl |= E1000_SRRCTL_TIMESTAMP;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3647
	/* Only set Drop Enable if we are supporting multiple queues */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3648
	if (adapter->vfs_allocated_count || adapter->num_rx_queues > 1)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3649
		srrctl |= E1000_SRRCTL_DROP_EN;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3650
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3651
	wr32(E1000_SRRCTL(reg_idx), srrctl);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3652
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3653
	/* set filtering for VMDQ pools */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3654
	igb_set_vmolr(adapter, reg_idx & 0x7, true);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3655
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3656
	rxdctl |= IGB_RX_PTHRESH;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3657
	rxdctl |= IGB_RX_HTHRESH << 8;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3658
	rxdctl |= IGB_RX_WTHRESH << 16;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3659
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3660
	/* enable receive descriptor fetching */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3661
	rxdctl |= E1000_RXDCTL_QUEUE_ENABLE;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3662
	wr32(E1000_RXDCTL(reg_idx), rxdctl);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3663
}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3664
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3665
/**
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3666
 *  igb_configure_rx - Configure receive Unit after Reset
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3667
 *  @adapter: board private structure
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3668
 *
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3669
 *  Configure the Rx unit of the MAC after a reset.
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3670
 **/
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3671
static void igb_configure_rx(struct igb_adapter *adapter)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3672
{
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3673
	int i;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3674
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3675
	/* set UTA to appropriate mode */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3676
	igb_set_uta(adapter);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3677
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3678
	/* set the correct pool for the PF default MAC address in entry 0 */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3679
	igb_rar_set_qsel(adapter, adapter->hw.mac.addr, 0,
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3680
			 adapter->vfs_allocated_count);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3681
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3682
	/* Setup the HW Rx Head and Tail Descriptor Pointers and
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3683
	 * the Base and Length of the Rx Descriptor Ring
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3684
	 */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3685
	for (i = 0; i < adapter->num_rx_queues; i++)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3686
		igb_configure_rx_ring(adapter, adapter->rx_ring[i]);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3687
}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3688
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3689
/**
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3690
 *  igb_free_tx_resources - Free Tx Resources per Queue
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3691
 *  @tx_ring: Tx descriptor ring for a specific queue
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3692
 *
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3693
 *  Free all transmit software resources
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3694
 **/
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3695
void igb_free_tx_resources(struct igb_ring *tx_ring)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3696
{
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3697
	igb_clean_tx_ring(tx_ring);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3698
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3699
	vfree(tx_ring->tx_buffer_info);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3700
	tx_ring->tx_buffer_info = NULL;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3701
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3702
	/* if not set, then don't free */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3703
	if (!tx_ring->desc)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3704
		return;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3705
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3706
	dma_free_coherent(tx_ring->dev, tx_ring->size,
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3707
			  tx_ring->desc, tx_ring->dma);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3708
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3709
	tx_ring->desc = NULL;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3710
}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3711
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3712
/**
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3713
 *  igb_free_all_tx_resources - Free Tx Resources for All Queues
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3714
 *  @adapter: board private structure
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3715
 *
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3716
 *  Free all transmit software resources
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3717
 **/
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3718
static void igb_free_all_tx_resources(struct igb_adapter *adapter)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3719
{
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3720
	int i;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3721
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3722
	for (i = 0; i < adapter->num_tx_queues; i++)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3723
		if (adapter->tx_ring[i])
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3724
			igb_free_tx_resources(adapter->tx_ring[i]);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3725
}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3726
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3727
void igb_unmap_and_free_tx_resource(struct igb_ring *ring,
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3728
				    struct igb_tx_buffer *tx_buffer)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3729
{
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3730
	if (tx_buffer->skb) {
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3731
		dev_kfree_skb_any(tx_buffer->skb);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3732
		if (dma_unmap_len(tx_buffer, len))
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3733
			dma_unmap_single(ring->dev,
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3734
					 dma_unmap_addr(tx_buffer, dma),
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3735
					 dma_unmap_len(tx_buffer, len),
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3736
					 DMA_TO_DEVICE);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3737
	} else if (dma_unmap_len(tx_buffer, len)) {
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3738
		dma_unmap_page(ring->dev,
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3739
			       dma_unmap_addr(tx_buffer, dma),
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3740
			       dma_unmap_len(tx_buffer, len),
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3741
			       DMA_TO_DEVICE);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3742
	}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3743
	tx_buffer->next_to_watch = NULL;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3744
	tx_buffer->skb = NULL;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3745
	dma_unmap_len_set(tx_buffer, len, 0);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3746
	/* buffer_info must be completely set up in the transmit path */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3747
}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3748
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3749
/**
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3750
 *  igb_clean_tx_ring - Free Tx Buffers
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3751
 *  @tx_ring: ring to be cleaned
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3752
 **/
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3753
static void igb_clean_tx_ring(struct igb_ring *tx_ring)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3754
{
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3755
	struct igb_tx_buffer *buffer_info;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3756
	unsigned long size;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3757
	u16 i;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3758
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3759
	if (!tx_ring->tx_buffer_info)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3760
		return;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3761
	/* Free all the Tx ring sk_buffs */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3762
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3763
	for (i = 0; i < tx_ring->count; i++) {
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3764
		buffer_info = &tx_ring->tx_buffer_info[i];
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3765
		igb_unmap_and_free_tx_resource(tx_ring, buffer_info);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3766
	}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3767
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3768
	netdev_tx_reset_queue(txring_txq(tx_ring));
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3769
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3770
	size = sizeof(struct igb_tx_buffer) * tx_ring->count;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3771
	memset(tx_ring->tx_buffer_info, 0, size);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3772
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3773
	/* Zero out the descriptor ring */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3774
	memset(tx_ring->desc, 0, tx_ring->size);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3775
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3776
	tx_ring->next_to_use = 0;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3777
	tx_ring->next_to_clean = 0;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3778
}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3779
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3780
/**
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3781
 *  igb_clean_all_tx_rings - Free Tx Buffers for all queues
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3782
 *  @adapter: board private structure
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3783
 **/
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3784
static void igb_clean_all_tx_rings(struct igb_adapter *adapter)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3785
{
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3786
	int i;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3787
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3788
	for (i = 0; i < adapter->num_tx_queues; i++)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3789
		if (adapter->tx_ring[i])
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3790
			igb_clean_tx_ring(adapter->tx_ring[i]);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3791
}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3792
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3793
/**
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3794
 *  igb_free_rx_resources - Free Rx Resources
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3795
 *  @rx_ring: ring to clean the resources from
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3796
 *
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3797
 *  Free all receive software resources
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3798
 **/
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3799
void igb_free_rx_resources(struct igb_ring *rx_ring)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3800
{
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3801
	igb_clean_rx_ring(rx_ring);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3802
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3803
	vfree(rx_ring->rx_buffer_info);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3804
	rx_ring->rx_buffer_info = NULL;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3805
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3806
	/* if not set, then don't free */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3807
	if (!rx_ring->desc)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3808
		return;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3809
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3810
	dma_free_coherent(rx_ring->dev, rx_ring->size,
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3811
			  rx_ring->desc, rx_ring->dma);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3812
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3813
	rx_ring->desc = NULL;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3814
}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3815
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3816
/**
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3817
 *  igb_free_all_rx_resources - Free Rx Resources for All Queues
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3818
 *  @adapter: board private structure
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3819
 *
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3820
 *  Free all receive software resources
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3821
 **/
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3822
static void igb_free_all_rx_resources(struct igb_adapter *adapter)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3823
{
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3824
	int i;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3825
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3826
	for (i = 0; i < adapter->num_rx_queues; i++)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3827
		if (adapter->rx_ring[i])
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3828
			igb_free_rx_resources(adapter->rx_ring[i]);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3829
}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3830
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3831
/**
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3832
 *  igb_clean_rx_ring - Free Rx Buffers per Queue
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3833
 *  @rx_ring: ring to free buffers from
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3834
 **/
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3835
static void igb_clean_rx_ring(struct igb_ring *rx_ring)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3836
{
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3837
	unsigned long size;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3838
	u16 i;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3839
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3840
	if (rx_ring->skb)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3841
		dev_kfree_skb(rx_ring->skb);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3842
	rx_ring->skb = NULL;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3843
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3844
	if (!rx_ring->rx_buffer_info)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3845
		return;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3846
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3847
	/* Free all the Rx ring sk_buffs */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3848
	for (i = 0; i < rx_ring->count; i++) {
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3849
		struct igb_rx_buffer *buffer_info = &rx_ring->rx_buffer_info[i];
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3850
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3851
		if (!buffer_info->page)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3852
			continue;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3853
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3854
		dma_unmap_page(rx_ring->dev,
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3855
			       buffer_info->dma,
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3856
			       PAGE_SIZE,
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3857
			       DMA_FROM_DEVICE);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3858
		__free_page(buffer_info->page);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3859
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3860
		buffer_info->page = NULL;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3861
	}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3862
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3863
	size = sizeof(struct igb_rx_buffer) * rx_ring->count;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3864
	memset(rx_ring->rx_buffer_info, 0, size);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3865
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3866
	/* Zero out the descriptor ring */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3867
	memset(rx_ring->desc, 0, rx_ring->size);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3868
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3869
	rx_ring->next_to_alloc = 0;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3870
	rx_ring->next_to_clean = 0;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3871
	rx_ring->next_to_use = 0;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3872
}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3873
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3874
/**
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3875
 *  igb_clean_all_rx_rings - Free Rx Buffers for all queues
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3876
 *  @adapter: board private structure
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3877
 **/
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3878
static void igb_clean_all_rx_rings(struct igb_adapter *adapter)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3879
{
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3880
	int i;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3881
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3882
	for (i = 0; i < adapter->num_rx_queues; i++)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3883
		if (adapter->rx_ring[i])
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3884
			igb_clean_rx_ring(adapter->rx_ring[i]);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3885
}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3886
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3887
/**
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3888
 *  igb_set_mac - Change the Ethernet Address of the NIC
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3889
 *  @netdev: network interface device structure
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3890
 *  @p: pointer to an address structure
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3891
 *
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3892
 *  Returns 0 on success, negative on failure
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3893
 **/
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3894
static int igb_set_mac(struct net_device *netdev, void *p)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3895
{
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3896
	struct igb_adapter *adapter = netdev_priv(netdev);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3897
	struct e1000_hw *hw = &adapter->hw;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3898
	struct sockaddr *addr = p;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3899
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3900
	if (!is_valid_ether_addr(addr->sa_data))
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3901
		return -EADDRNOTAVAIL;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3902
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3903
	memcpy(netdev->dev_addr, addr->sa_data, netdev->addr_len);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3904
	memcpy(hw->mac.addr, addr->sa_data, netdev->addr_len);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3905
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3906
	/* set the correct pool for the new PF MAC address in entry 0 */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3907
	igb_rar_set_qsel(adapter, hw->mac.addr, 0,
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3908
			 adapter->vfs_allocated_count);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3909
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3910
	return 0;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3911
}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3912
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3913
/**
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3914
 *  igb_write_mc_addr_list - write multicast addresses to MTA
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3915
 *  @netdev: network interface device structure
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3916
 *
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3917
 *  Writes multicast address list to the MTA hash table.
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3918
 *  Returns: -ENOMEM on failure
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3919
 *           0 on no addresses written
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3920
 *           X on writing X addresses to MTA
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3921
 **/
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3922
static int igb_write_mc_addr_list(struct net_device *netdev)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3923
{
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3924
	struct igb_adapter *adapter = netdev_priv(netdev);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3925
	struct e1000_hw *hw = &adapter->hw;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3926
	struct netdev_hw_addr *ha;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3927
	u8  *mta_list;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3928
	int i;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3929
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3930
	if (netdev_mc_empty(netdev)) {
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3931
		/* nothing to program, so clear mc list */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3932
		igb_update_mc_addr_list(hw, NULL, 0);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3933
		igb_restore_vf_multicasts(adapter);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3934
		return 0;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3935
	}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3936
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3937
	mta_list = kzalloc(netdev_mc_count(netdev) * 6, GFP_ATOMIC);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3938
	if (!mta_list)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3939
		return -ENOMEM;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3940
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3941
	/* The shared function expects a packed array of only addresses. */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3942
	i = 0;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3943
	netdev_for_each_mc_addr(ha, netdev)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3944
		memcpy(mta_list + (i++ * ETH_ALEN), ha->addr, ETH_ALEN);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3945
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3946
	igb_update_mc_addr_list(hw, mta_list, i);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3947
	kfree(mta_list);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3948
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3949
	return netdev_mc_count(netdev);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3950
}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3951
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3952
/**
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3953
 *  igb_write_uc_addr_list - write unicast addresses to RAR table
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3954
 *  @netdev: network interface device structure
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3955
 *
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3956
 *  Writes unicast address list to the RAR table.
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3957
 *  Returns: -ENOMEM on failure/insufficient address space
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3958
 *           0 on no addresses written
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3959
 *           X on writing X addresses to the RAR table
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3960
 **/
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3961
static int igb_write_uc_addr_list(struct net_device *netdev)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3962
{
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3963
	struct igb_adapter *adapter = netdev_priv(netdev);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3964
	struct e1000_hw *hw = &adapter->hw;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3965
	unsigned int vfn = adapter->vfs_allocated_count;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3966
	unsigned int rar_entries = hw->mac.rar_entry_count - (vfn + 1);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3967
	int count = 0;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3968
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3969
	/* return ENOMEM indicating insufficient memory for addresses */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3970
	if (netdev_uc_count(netdev) > rar_entries)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3971
		return -ENOMEM;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3972
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3973
	if (!netdev_uc_empty(netdev) && rar_entries) {
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3974
		struct netdev_hw_addr *ha;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3975
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3976
		netdev_for_each_uc_addr(ha, netdev) {
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3977
			if (!rar_entries)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3978
				break;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3979
			igb_rar_set_qsel(adapter, ha->addr,
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3980
					 rar_entries--,
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3981
					 vfn);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3982
			count++;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3983
		}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3984
	}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3985
	/* write the addresses in reverse order to avoid write combining */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3986
	for (; rar_entries > 0 ; rar_entries--) {
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3987
		wr32(E1000_RAH(rar_entries), 0);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3988
		wr32(E1000_RAL(rar_entries), 0);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3989
	}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3990
	wrfl();
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3991
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3992
	return count;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3993
}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3994
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3995
/**
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3996
 *  igb_set_rx_mode - Secondary Unicast, Multicast and Promiscuous mode set
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3997
 *  @netdev: network interface device structure
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3998
 *
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  3999
 *  The set_rx_mode entry point is called whenever the unicast or multicast
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4000
 *  address lists or the network interface flags are updated.  This routine is
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4001
 *  responsible for configuring the hardware for proper unicast, multicast,
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4002
 *  promiscuous mode, and all-multi behavior.
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4003
 **/
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4004
static void igb_set_rx_mode(struct net_device *netdev)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4005
{
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4006
	struct igb_adapter *adapter = netdev_priv(netdev);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4007
	struct e1000_hw *hw = &adapter->hw;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4008
	unsigned int vfn = adapter->vfs_allocated_count;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4009
	u32 rctl, vmolr = 0;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4010
	int count;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4011
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4012
	/* Check for Promiscuous and All Multicast modes */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4013
	rctl = rd32(E1000_RCTL);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4014
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4015
	/* clear the effected bits */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4016
	rctl &= ~(E1000_RCTL_UPE | E1000_RCTL_MPE | E1000_RCTL_VFE);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4017
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4018
	if (netdev->flags & IFF_PROMISC) {
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4019
		/* retain VLAN HW filtering if in VT mode */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4020
		if (adapter->vfs_allocated_count)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4021
			rctl |= E1000_RCTL_VFE;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4022
		rctl |= (E1000_RCTL_UPE | E1000_RCTL_MPE);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4023
		vmolr |= (E1000_VMOLR_ROPE | E1000_VMOLR_MPME);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4024
	} else {
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4025
		if (netdev->flags & IFF_ALLMULTI) {
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4026
			rctl |= E1000_RCTL_MPE;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4027
			vmolr |= E1000_VMOLR_MPME;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4028
		} else {
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4029
			/* Write addresses to the MTA, if the attempt fails
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4030
			 * then we should just turn on promiscuous mode so
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4031
			 * that we can at least receive multicast traffic
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4032
			 */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4033
			count = igb_write_mc_addr_list(netdev);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4034
			if (count < 0) {
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4035
				rctl |= E1000_RCTL_MPE;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4036
				vmolr |= E1000_VMOLR_MPME;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4037
			} else if (count) {
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4038
				vmolr |= E1000_VMOLR_ROMPE;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4039
			}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4040
		}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4041
		/* Write addresses to available RAR registers, if there is not
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4042
		 * sufficient space to store all the addresses then enable
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4043
		 * unicast promiscuous mode
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4044
		 */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4045
		count = igb_write_uc_addr_list(netdev);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4046
		if (count < 0) {
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4047
			rctl |= E1000_RCTL_UPE;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4048
			vmolr |= E1000_VMOLR_ROPE;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4049
		}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4050
		rctl |= E1000_RCTL_VFE;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4051
	}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4052
	wr32(E1000_RCTL, rctl);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4053
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4054
	/* In order to support SR-IOV and eventually VMDq it is necessary to set
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4055
	 * the VMOLR to enable the appropriate modes.  Without this workaround
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4056
	 * we will have issues with VLAN tag stripping not being done for frames
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4057
	 * that are only arriving because we are the default pool
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4058
	 */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4059
	if ((hw->mac.type < e1000_82576) || (hw->mac.type > e1000_i350))
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4060
		return;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4061
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4062
	vmolr |= rd32(E1000_VMOLR(vfn)) &
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4063
		 ~(E1000_VMOLR_ROPE | E1000_VMOLR_MPME | E1000_VMOLR_ROMPE);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4064
	wr32(E1000_VMOLR(vfn), vmolr);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4065
	igb_restore_vf_multicasts(adapter);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4066
}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4067
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4068
static void igb_check_wvbr(struct igb_adapter *adapter)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4069
{
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4070
	struct e1000_hw *hw = &adapter->hw;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4071
	u32 wvbr = 0;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4072
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4073
	switch (hw->mac.type) {
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4074
	case e1000_82576:
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4075
	case e1000_i350:
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4076
		wvbr = rd32(E1000_WVBR);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4077
		if (!wvbr)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4078
			return;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4079
		break;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4080
	default:
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4081
		break;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4082
	}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4083
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4084
	adapter->wvbr |= wvbr;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4085
}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4086
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4087
#define IGB_STAGGERED_QUEUE_OFFSET 8
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4088
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4089
static void igb_spoof_check(struct igb_adapter *adapter)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4090
{
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4091
	int j;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4092
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4093
	if (!adapter->wvbr)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4094
		return;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4095
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4096
	for (j = 0; j < adapter->vfs_allocated_count; j++) {
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4097
		if (adapter->wvbr & (1 << j) ||
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4098
		    adapter->wvbr & (1 << (j + IGB_STAGGERED_QUEUE_OFFSET))) {
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4099
			dev_warn(&adapter->pdev->dev,
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4100
				"Spoof event(s) detected on VF %d\n", j);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4101
			adapter->wvbr &=
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4102
				~((1 << j) |
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4103
				  (1 << (j + IGB_STAGGERED_QUEUE_OFFSET)));
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4104
		}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4105
	}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4106
}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4107
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4108
/* Need to wait a few seconds after link up to get diagnostic information from
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4109
 * the phy
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4110
 */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4111
static void igb_update_phy_info(unsigned long data)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4112
{
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4113
	struct igb_adapter *adapter = (struct igb_adapter *) data;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4114
	igb_get_phy_info(&adapter->hw);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4115
}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4116
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4117
/**
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4118
 *  igb_has_link - check shared code for link and determine up/down
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4119
 *  @adapter: pointer to driver private info
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4120
 **/
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4121
bool igb_has_link(struct igb_adapter *adapter)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4122
{
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4123
	struct e1000_hw *hw = &adapter->hw;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4124
	bool link_active = false;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4125
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4126
	/* get_link_status is set on LSC (link status) interrupt or
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4127
	 * rx sequence error interrupt.  get_link_status will stay
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4128
	 * false until the e1000_check_for_link establishes link
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4129
	 * for copper adapters ONLY
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4130
	 */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4131
	switch (hw->phy.media_type) {
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4132
	case e1000_media_type_copper:
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4133
		if (!hw->mac.get_link_status)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4134
			return true;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4135
	case e1000_media_type_internal_serdes:
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4136
		hw->mac.ops.check_for_link(hw);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4137
		link_active = !hw->mac.get_link_status;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4138
		break;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4139
	default:
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4140
	case e1000_media_type_unknown:
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4141
		break;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4142
	}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4143
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4144
	if (((hw->mac.type == e1000_i210) ||
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4145
	     (hw->mac.type == e1000_i211)) &&
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4146
	     (hw->phy.id == I210_I_PHY_ID)) {
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4147
		if (!netif_carrier_ok(adapter->netdev)) {
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4148
			adapter->flags &= ~IGB_FLAG_NEED_LINK_UPDATE;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4149
		} else if (!(adapter->flags & IGB_FLAG_NEED_LINK_UPDATE)) {
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4150
			adapter->flags |= IGB_FLAG_NEED_LINK_UPDATE;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4151
			adapter->link_check_timeout = jiffies;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4152
		}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4153
	}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4154
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4155
	return link_active;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4156
}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4157
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4158
static bool igb_thermal_sensor_event(struct e1000_hw *hw, u32 event)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4159
{
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4160
	bool ret = false;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4161
	u32 ctrl_ext, thstat;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4162
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4163
	/* check for thermal sensor event on i350 copper only */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4164
	if (hw->mac.type == e1000_i350) {
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4165
		thstat = rd32(E1000_THSTAT);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4166
		ctrl_ext = rd32(E1000_CTRL_EXT);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4167
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4168
		if ((hw->phy.media_type == e1000_media_type_copper) &&
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4169
		    !(ctrl_ext & E1000_CTRL_EXT_LINK_MODE_SGMII))
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4170
			ret = !!(thstat & event);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4171
	}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4172
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4173
	return ret;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4174
}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4175
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4176
/**
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4177
 *  igb_check_lvmmc - check for malformed packets received
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4178
 *  and indicated in LVMMC register
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4179
 *  @adapter: pointer to adapter
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4180
 **/
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4181
static void igb_check_lvmmc(struct igb_adapter *adapter)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4182
{
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4183
	struct e1000_hw *hw = &adapter->hw;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4184
	u32 lvmmc;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4185
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4186
	lvmmc = rd32(E1000_LVMMC);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4187
	if (lvmmc) {
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4188
		if (unlikely(net_ratelimit())) {
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4189
			netdev_warn(adapter->netdev,
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4190
				    "malformed Tx packet detected and dropped, LVMMC:0x%08x\n",
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4191
				    lvmmc);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4192
		}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4193
	}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4194
}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4195
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4196
/**
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4197
 *  igb_watchdog - Timer Call-back
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4198
 *  @data: pointer to adapter cast into an unsigned long
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4199
 **/
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4200
static void igb_watchdog(unsigned long data)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4201
{
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4202
	struct igb_adapter *adapter = (struct igb_adapter *)data;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4203
	/* Do the rest outside of interrupt context */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4204
	schedule_work(&adapter->watchdog_task);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4205
}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4206
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4207
static void igb_watchdog_task(struct work_struct *work)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4208
{
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4209
	struct igb_adapter *adapter = container_of(work,
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4210
						   struct igb_adapter,
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4211
						   watchdog_task);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4212
	struct e1000_hw *hw = &adapter->hw;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4213
	struct e1000_phy_info *phy = &hw->phy;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4214
	struct net_device *netdev = adapter->netdev;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4215
	u32 link;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4216
	int i;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4217
	u32 connsw;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4218
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4219
	link = igb_has_link(adapter);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4220
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4221
	if (adapter->flags & IGB_FLAG_NEED_LINK_UPDATE) {
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4222
		if (time_after(jiffies, (adapter->link_check_timeout + HZ)))
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4223
			adapter->flags &= ~IGB_FLAG_NEED_LINK_UPDATE;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4224
		else
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4225
			link = false;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4226
	}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4227
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4228
	/* Force link down if we have fiber to swap to */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4229
	if (adapter->flags & IGB_FLAG_MAS_ENABLE) {
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4230
		if (hw->phy.media_type == e1000_media_type_copper) {
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4231
			connsw = rd32(E1000_CONNSW);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4232
			if (!(connsw & E1000_CONNSW_AUTOSENSE_EN))
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4233
				link = 0;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4234
		}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4235
	}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4236
	if (link) {
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4237
		/* Perform a reset if the media type changed. */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4238
		if (hw->dev_spec._82575.media_changed) {
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4239
			hw->dev_spec._82575.media_changed = false;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4240
			adapter->flags |= IGB_FLAG_MEDIA_RESET;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4241
			igb_reset(adapter);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4242
		}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4243
		/* Cancel scheduled suspend requests. */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4244
		pm_runtime_resume(netdev->dev.parent);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4245
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4246
		if (!netif_carrier_ok(netdev)) {
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4247
			u32 ctrl;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4248
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4249
			hw->mac.ops.get_speed_and_duplex(hw,
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4250
							 &adapter->link_speed,
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4251
							 &adapter->link_duplex);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4252
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4253
			ctrl = rd32(E1000_CTRL);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4254
			/* Links status message must follow this format */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4255
			netdev_info(netdev,
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4256
			       "igb: %s NIC Link is Up %d Mbps %s Duplex, Flow Control: %s\n",
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4257
			       netdev->name,
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4258
			       adapter->link_speed,
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4259
			       adapter->link_duplex == FULL_DUPLEX ?
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4260
			       "Full" : "Half",
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4261
			       (ctrl & E1000_CTRL_TFCE) &&
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4262
			       (ctrl & E1000_CTRL_RFCE) ? "RX/TX" :
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4263
			       (ctrl & E1000_CTRL_RFCE) ?  "RX" :
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4264
			       (ctrl & E1000_CTRL_TFCE) ?  "TX" : "None");
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4265
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4266
			/* disable EEE if enabled */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4267
			if ((adapter->flags & IGB_FLAG_EEE) &&
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4268
				(adapter->link_duplex == HALF_DUPLEX)) {
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4269
				dev_info(&adapter->pdev->dev,
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4270
				"EEE Disabled: unsupported at half duplex. Re-enable using ethtool when at full duplex.\n");
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4271
				adapter->hw.dev_spec._82575.eee_disable = true;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4272
				adapter->flags &= ~IGB_FLAG_EEE;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4273
			}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4274
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4275
			/* check if SmartSpeed worked */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4276
			igb_check_downshift(hw);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4277
			if (phy->speed_downgraded)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4278
				netdev_warn(netdev, "Link Speed was downgraded by SmartSpeed\n");
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4279
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4280
			/* check for thermal sensor event */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4281
			if (igb_thermal_sensor_event(hw,
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4282
			    E1000_THSTAT_LINK_THROTTLE))
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4283
				netdev_info(netdev, "The network adapter link speed was downshifted because it overheated\n");
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4284
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4285
			/* adjust timeout factor according to speed/duplex */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4286
			adapter->tx_timeout_factor = 1;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4287
			switch (adapter->link_speed) {
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4288
			case SPEED_10:
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4289
				adapter->tx_timeout_factor = 14;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4290
				break;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4291
			case SPEED_100:
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4292
				/* maybe add some timeout factor ? */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4293
				break;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4294
			}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4295
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4296
			netif_carrier_on(netdev);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4297
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4298
			igb_ping_all_vfs(adapter);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4299
			igb_check_vf_rate_limit(adapter);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4300
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4301
			/* link state has changed, schedule phy info update */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4302
			if (!test_bit(__IGB_DOWN, &adapter->state))
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4303
				mod_timer(&adapter->phy_info_timer,
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4304
					  round_jiffies(jiffies + 2 * HZ));
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4305
		}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4306
	} else {
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4307
		if (netif_carrier_ok(netdev)) {
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4308
			adapter->link_speed = 0;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4309
			adapter->link_duplex = 0;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4310
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4311
			/* check for thermal sensor event */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4312
			if (igb_thermal_sensor_event(hw,
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4313
			    E1000_THSTAT_PWR_DOWN)) {
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4314
				netdev_err(netdev, "The network adapter was stopped because it overheated\n");
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4315
			}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4316
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4317
			/* Links status message must follow this format */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4318
			netdev_info(netdev, "igb: %s NIC Link is Down\n",
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4319
			       netdev->name);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4320
			netif_carrier_off(netdev);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4321
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4322
			igb_ping_all_vfs(adapter);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4323
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4324
			/* link state has changed, schedule phy info update */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4325
			if (!test_bit(__IGB_DOWN, &adapter->state))
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4326
				mod_timer(&adapter->phy_info_timer,
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4327
					  round_jiffies(jiffies + 2 * HZ));
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4328
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4329
			/* link is down, time to check for alternate media */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4330
			if (adapter->flags & IGB_FLAG_MAS_ENABLE) {
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4331
				igb_check_swap_media(adapter);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4332
				if (adapter->flags & IGB_FLAG_MEDIA_RESET) {
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4333
					schedule_work(&adapter->reset_task);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4334
					/* return immediately */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4335
					return;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4336
				}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4337
			}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4338
			pm_schedule_suspend(netdev->dev.parent,
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4339
					    MSEC_PER_SEC * 5);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4340
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4341
		/* also check for alternate media here */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4342
		} else if (!netif_carrier_ok(netdev) &&
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4343
			   (adapter->flags & IGB_FLAG_MAS_ENABLE)) {
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4344
			igb_check_swap_media(adapter);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4345
			if (adapter->flags & IGB_FLAG_MEDIA_RESET) {
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4346
				schedule_work(&adapter->reset_task);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4347
				/* return immediately */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4348
				return;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4349
			}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4350
		}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4351
	}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4352
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4353
	spin_lock(&adapter->stats64_lock);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4354
	igb_update_stats(adapter, &adapter->stats64);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4355
	spin_unlock(&adapter->stats64_lock);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4356
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4357
	for (i = 0; i < adapter->num_tx_queues; i++) {
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4358
		struct igb_ring *tx_ring = adapter->tx_ring[i];
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4359
		if (!netif_carrier_ok(netdev)) {
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4360
			/* We've lost link, so the controller stops DMA,
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4361
			 * but we've got queued Tx work that's never going
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4362
			 * to get done, so reset controller to flush Tx.
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4363
			 * (Do the reset outside of interrupt context).
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4364
			 */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4365
			if (igb_desc_unused(tx_ring) + 1 < tx_ring->count) {
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4366
				adapter->tx_timeout_count++;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4367
				schedule_work(&adapter->reset_task);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4368
				/* return immediately since reset is imminent */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4369
				return;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4370
			}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4371
		}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4372
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4373
		/* Force detection of hung controller every watchdog period */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4374
		set_bit(IGB_RING_FLAG_TX_DETECT_HANG, &tx_ring->flags);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4375
	}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4376
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4377
	/* Cause software interrupt to ensure Rx ring is cleaned */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4378
	if (adapter->flags & IGB_FLAG_HAS_MSIX) {
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4379
		u32 eics = 0;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4380
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4381
		for (i = 0; i < adapter->num_q_vectors; i++)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4382
			eics |= adapter->q_vector[i]->eims_value;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4383
		wr32(E1000_EICS, eics);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4384
	} else {
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4385
		wr32(E1000_ICS, E1000_ICS_RXDMT0);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4386
	}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4387
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4388
	igb_spoof_check(adapter);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4389
	igb_ptp_rx_hang(adapter);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4390
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4391
	/* Check LVMMC register on i350/i354 only */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4392
	if ((adapter->hw.mac.type == e1000_i350) ||
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4393
	    (adapter->hw.mac.type == e1000_i354))
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4394
		igb_check_lvmmc(adapter);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4395
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4396
	/* Reset the timer */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4397
	if (!test_bit(__IGB_DOWN, &adapter->state)) {
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4398
		if (adapter->flags & IGB_FLAG_NEED_LINK_UPDATE)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4399
			mod_timer(&adapter->watchdog_timer,
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4400
				  round_jiffies(jiffies +  HZ));
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4401
		else
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4402
			mod_timer(&adapter->watchdog_timer,
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4403
				  round_jiffies(jiffies + 2 * HZ));
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4404
	}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4405
}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4406
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4407
enum latency_range {
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4408
	lowest_latency = 0,
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4409
	low_latency = 1,
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4410
	bulk_latency = 2,
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4411
	latency_invalid = 255
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4412
};
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4413
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4414
/**
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4415
 *  igb_update_ring_itr - update the dynamic ITR value based on packet size
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4416
 *  @q_vector: pointer to q_vector
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4417
 *
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4418
 *  Stores a new ITR value based on strictly on packet size.  This
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4419
 *  algorithm is less sophisticated than that used in igb_update_itr,
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4420
 *  due to the difficulty of synchronizing statistics across multiple
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4421
 *  receive rings.  The divisors and thresholds used by this function
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4422
 *  were determined based on theoretical maximum wire speed and testing
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4423
 *  data, in order to minimize response time while increasing bulk
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4424
 *  throughput.
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4425
 *  This functionality is controlled by ethtool's coalescing settings.
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4426
 *  NOTE:  This function is called only when operating in a multiqueue
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4427
 *         receive environment.
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4428
 **/
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4429
static void igb_update_ring_itr(struct igb_q_vector *q_vector)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4430
{
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4431
	int new_val = q_vector->itr_val;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4432
	int avg_wire_size = 0;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4433
	struct igb_adapter *adapter = q_vector->adapter;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4434
	unsigned int packets;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4435
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4436
	/* For non-gigabit speeds, just fix the interrupt rate at 4000
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4437
	 * ints/sec - ITR timer value of 120 ticks.
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4438
	 */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4439
	if (adapter->link_speed != SPEED_1000) {
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4440
		new_val = IGB_4K_ITR;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4441
		goto set_itr_val;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4442
	}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4443
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4444
	packets = q_vector->rx.total_packets;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4445
	if (packets)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4446
		avg_wire_size = q_vector->rx.total_bytes / packets;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4447
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4448
	packets = q_vector->tx.total_packets;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4449
	if (packets)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4450
		avg_wire_size = max_t(u32, avg_wire_size,
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4451
				      q_vector->tx.total_bytes / packets);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4452
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4453
	/* if avg_wire_size isn't set no work was done */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4454
	if (!avg_wire_size)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4455
		goto clear_counts;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4456
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4457
	/* Add 24 bytes to size to account for CRC, preamble, and gap */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4458
	avg_wire_size += 24;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4459
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4460
	/* Don't starve jumbo frames */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4461
	avg_wire_size = min(avg_wire_size, 3000);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4462
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4463
	/* Give a little boost to mid-size frames */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4464
	if ((avg_wire_size > 300) && (avg_wire_size < 1200))
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4465
		new_val = avg_wire_size / 3;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4466
	else
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4467
		new_val = avg_wire_size / 2;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4468
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4469
	/* conservative mode (itr 3) eliminates the lowest_latency setting */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4470
	if (new_val < IGB_20K_ITR &&
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4471
	    ((q_vector->rx.ring && adapter->rx_itr_setting == 3) ||
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4472
	     (!q_vector->rx.ring && adapter->tx_itr_setting == 3)))
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4473
		new_val = IGB_20K_ITR;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4474
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4475
set_itr_val:
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4476
	if (new_val != q_vector->itr_val) {
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4477
		q_vector->itr_val = new_val;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4478
		q_vector->set_itr = 1;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4479
	}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4480
clear_counts:
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4481
	q_vector->rx.total_bytes = 0;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4482
	q_vector->rx.total_packets = 0;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4483
	q_vector->tx.total_bytes = 0;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4484
	q_vector->tx.total_packets = 0;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4485
}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4486
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4487
/**
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4488
 *  igb_update_itr - update the dynamic ITR value based on statistics
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4489
 *  @q_vector: pointer to q_vector
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4490
 *  @ring_container: ring info to update the itr for
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4491
 *
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4492
 *  Stores a new ITR value based on packets and byte
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4493
 *  counts during the last interrupt.  The advantage of per interrupt
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4494
 *  computation is faster updates and more accurate ITR for the current
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4495
 *  traffic pattern.  Constants in this function were computed
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4496
 *  based on theoretical maximum wire speed and thresholds were set based
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4497
 *  on testing data as well as attempting to minimize response time
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4498
 *  while increasing bulk throughput.
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4499
 *  This functionality is controlled by ethtool's coalescing settings.
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4500
 *  NOTE:  These calculations are only valid when operating in a single-
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4501
 *         queue environment.
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4502
 **/
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4503
static void igb_update_itr(struct igb_q_vector *q_vector,
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4504
			   struct igb_ring_container *ring_container)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4505
{
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4506
	unsigned int packets = ring_container->total_packets;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4507
	unsigned int bytes = ring_container->total_bytes;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4508
	u8 itrval = ring_container->itr;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4509
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4510
	/* no packets, exit with status unchanged */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4511
	if (packets == 0)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4512
		return;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4513
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4514
	switch (itrval) {
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4515
	case lowest_latency:
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4516
		/* handle TSO and jumbo frames */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4517
		if (bytes/packets > 8000)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4518
			itrval = bulk_latency;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4519
		else if ((packets < 5) && (bytes > 512))
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4520
			itrval = low_latency;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4521
		break;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4522
	case low_latency:  /* 50 usec aka 20000 ints/s */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4523
		if (bytes > 10000) {
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4524
			/* this if handles the TSO accounting */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4525
			if (bytes/packets > 8000)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4526
				itrval = bulk_latency;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4527
			else if ((packets < 10) || ((bytes/packets) > 1200))
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4528
				itrval = bulk_latency;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4529
			else if ((packets > 35))
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4530
				itrval = lowest_latency;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4531
		} else if (bytes/packets > 2000) {
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4532
			itrval = bulk_latency;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4533
		} else if (packets <= 2 && bytes < 512) {
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4534
			itrval = lowest_latency;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4535
		}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4536
		break;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4537
	case bulk_latency: /* 250 usec aka 4000 ints/s */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4538
		if (bytes > 25000) {
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4539
			if (packets > 35)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4540
				itrval = low_latency;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4541
		} else if (bytes < 1500) {
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4542
			itrval = low_latency;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4543
		}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4544
		break;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4545
	}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4546
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4547
	/* clear work counters since we have the values we need */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4548
	ring_container->total_bytes = 0;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4549
	ring_container->total_packets = 0;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4550
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4551
	/* write updated itr to ring container */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4552
	ring_container->itr = itrval;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4553
}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4554
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4555
static void igb_set_itr(struct igb_q_vector *q_vector)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4556
{
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4557
	struct igb_adapter *adapter = q_vector->adapter;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4558
	u32 new_itr = q_vector->itr_val;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4559
	u8 current_itr = 0;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4560
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4561
	/* for non-gigabit speeds, just fix the interrupt rate at 4000 */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4562
	if (adapter->link_speed != SPEED_1000) {
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4563
		current_itr = 0;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4564
		new_itr = IGB_4K_ITR;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4565
		goto set_itr_now;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4566
	}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4567
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4568
	igb_update_itr(q_vector, &q_vector->tx);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4569
	igb_update_itr(q_vector, &q_vector->rx);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4570
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4571
	current_itr = max(q_vector->rx.itr, q_vector->tx.itr);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4572
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4573
	/* conservative mode (itr 3) eliminates the lowest_latency setting */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4574
	if (current_itr == lowest_latency &&
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4575
	    ((q_vector->rx.ring && adapter->rx_itr_setting == 3) ||
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4576
	     (!q_vector->rx.ring && adapter->tx_itr_setting == 3)))
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4577
		current_itr = low_latency;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4578
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4579
	switch (current_itr) {
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4580
	/* counts and packets in update_itr are dependent on these numbers */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4581
	case lowest_latency:
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4582
		new_itr = IGB_70K_ITR; /* 70,000 ints/sec */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4583
		break;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4584
	case low_latency:
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4585
		new_itr = IGB_20K_ITR; /* 20,000 ints/sec */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4586
		break;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4587
	case bulk_latency:
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4588
		new_itr = IGB_4K_ITR;  /* 4,000 ints/sec */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4589
		break;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4590
	default:
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4591
		break;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4592
	}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4593
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4594
set_itr_now:
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4595
	if (new_itr != q_vector->itr_val) {
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4596
		/* this attempts to bias the interrupt rate towards Bulk
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4597
		 * by adding intermediate steps when interrupt rate is
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4598
		 * increasing
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4599
		 */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4600
		new_itr = new_itr > q_vector->itr_val ?
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4601
			  max((new_itr * q_vector->itr_val) /
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4602
			  (new_itr + (q_vector->itr_val >> 2)),
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4603
			  new_itr) : new_itr;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4604
		/* Don't write the value here; it resets the adapter's
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4605
		 * internal timer, and causes us to delay far longer than
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4606
		 * we should between interrupts.  Instead, we write the ITR
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4607
		 * value at the beginning of the next interrupt so the timing
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4608
		 * ends up being correct.
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4609
		 */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4610
		q_vector->itr_val = new_itr;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4611
		q_vector->set_itr = 1;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4612
	}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4613
}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4614
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4615
static void igb_tx_ctxtdesc(struct igb_ring *tx_ring, u32 vlan_macip_lens,
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4616
			    u32 type_tucmd, u32 mss_l4len_idx)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4617
{
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4618
	struct e1000_adv_tx_context_desc *context_desc;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4619
	u16 i = tx_ring->next_to_use;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4620
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4621
	context_desc = IGB_TX_CTXTDESC(tx_ring, i);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4622
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4623
	i++;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4624
	tx_ring->next_to_use = (i < tx_ring->count) ? i : 0;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4625
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4626
	/* set bits to identify this as an advanced context descriptor */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4627
	type_tucmd |= E1000_TXD_CMD_DEXT | E1000_ADVTXD_DTYP_CTXT;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4628
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4629
	/* For 82575, context index must be unique per ring. */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4630
	if (test_bit(IGB_RING_FLAG_TX_CTX_IDX, &tx_ring->flags))
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4631
		mss_l4len_idx |= tx_ring->reg_idx << 4;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4632
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4633
	context_desc->vlan_macip_lens	= cpu_to_le32(vlan_macip_lens);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4634
	context_desc->seqnum_seed	= 0;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4635
	context_desc->type_tucmd_mlhl	= cpu_to_le32(type_tucmd);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4636
	context_desc->mss_l4len_idx	= cpu_to_le32(mss_l4len_idx);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4637
}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4638
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4639
static int igb_tso(struct igb_ring *tx_ring,
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4640
		   struct igb_tx_buffer *first,
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4641
		   u8 *hdr_len)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4642
{
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4643
	struct sk_buff *skb = first->skb;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4644
	u32 vlan_macip_lens, type_tucmd;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4645
	u32 mss_l4len_idx, l4len;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4646
	int err;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4647
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4648
	if (skb->ip_summed != CHECKSUM_PARTIAL)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4649
		return 0;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4650
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4651
	if (!skb_is_gso(skb))
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4652
		return 0;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4653
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4654
	err = skb_cow_head(skb, 0);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4655
	if (err < 0)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4656
		return err;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4657
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4658
	/* ADV DTYP TUCMD MKRLOC/ISCSIHEDLEN */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4659
	type_tucmd = E1000_ADVTXD_TUCMD_L4T_TCP;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4660
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4661
	if (first->protocol == htons(ETH_P_IP)) {
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4662
		struct iphdr *iph = ip_hdr(skb);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4663
		iph->tot_len = 0;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4664
		iph->check = 0;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4665
		tcp_hdr(skb)->check = ~csum_tcpudp_magic(iph->saddr,
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4666
							 iph->daddr, 0,
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4667
							 IPPROTO_TCP,
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4668
							 0);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4669
		type_tucmd |= E1000_ADVTXD_TUCMD_IPV4;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4670
		first->tx_flags |= IGB_TX_FLAGS_TSO |
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4671
				   IGB_TX_FLAGS_CSUM |
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4672
				   IGB_TX_FLAGS_IPV4;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4673
	} else if (skb_is_gso_v6(skb)) {
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4674
		ipv6_hdr(skb)->payload_len = 0;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4675
		tcp_hdr(skb)->check = ~csum_ipv6_magic(&ipv6_hdr(skb)->saddr,
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4676
						       &ipv6_hdr(skb)->daddr,
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4677
						       0, IPPROTO_TCP, 0);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4678
		first->tx_flags |= IGB_TX_FLAGS_TSO |
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4679
				   IGB_TX_FLAGS_CSUM;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4680
	}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4681
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4682
	/* compute header lengths */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4683
	l4len = tcp_hdrlen(skb);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4684
	*hdr_len = skb_transport_offset(skb) + l4len;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4685
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4686
	/* update gso size and bytecount with header size */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4687
	first->gso_segs = skb_shinfo(skb)->gso_segs;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4688
	first->bytecount += (first->gso_segs - 1) * *hdr_len;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4689
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4690
	/* MSS L4LEN IDX */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4691
	mss_l4len_idx = l4len << E1000_ADVTXD_L4LEN_SHIFT;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4692
	mss_l4len_idx |= skb_shinfo(skb)->gso_size << E1000_ADVTXD_MSS_SHIFT;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4693
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4694
	/* VLAN MACLEN IPLEN */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4695
	vlan_macip_lens = skb_network_header_len(skb);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4696
	vlan_macip_lens |= skb_network_offset(skb) << E1000_ADVTXD_MACLEN_SHIFT;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4697
	vlan_macip_lens |= first->tx_flags & IGB_TX_FLAGS_VLAN_MASK;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4698
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4699
	igb_tx_ctxtdesc(tx_ring, vlan_macip_lens, type_tucmd, mss_l4len_idx);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4700
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4701
	return 1;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4702
}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4703
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4704
static void igb_tx_csum(struct igb_ring *tx_ring, struct igb_tx_buffer *first)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4705
{
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4706
	struct sk_buff *skb = first->skb;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4707
	u32 vlan_macip_lens = 0;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4708
	u32 mss_l4len_idx = 0;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4709
	u32 type_tucmd = 0;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4710
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4711
	if (skb->ip_summed != CHECKSUM_PARTIAL) {
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4712
		if (!(first->tx_flags & IGB_TX_FLAGS_VLAN))
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4713
			return;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4714
	} else {
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4715
		u8 l4_hdr = 0;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4716
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4717
		switch (first->protocol) {
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4718
		case htons(ETH_P_IP):
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4719
			vlan_macip_lens |= skb_network_header_len(skb);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4720
			type_tucmd |= E1000_ADVTXD_TUCMD_IPV4;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4721
			l4_hdr = ip_hdr(skb)->protocol;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4722
			break;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4723
		case htons(ETH_P_IPV6):
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4724
			vlan_macip_lens |= skb_network_header_len(skb);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4725
			l4_hdr = ipv6_hdr(skb)->nexthdr;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4726
			break;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4727
		default:
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4728
			if (unlikely(net_ratelimit())) {
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4729
				dev_warn(tx_ring->dev,
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4730
					 "partial checksum but proto=%x!\n",
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4731
					 first->protocol);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4732
			}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4733
			break;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4734
		}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4735
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4736
		switch (l4_hdr) {
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4737
		case IPPROTO_TCP:
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4738
			type_tucmd |= E1000_ADVTXD_TUCMD_L4T_TCP;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4739
			mss_l4len_idx = tcp_hdrlen(skb) <<
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4740
					E1000_ADVTXD_L4LEN_SHIFT;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4741
			break;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4742
		case IPPROTO_SCTP:
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4743
			type_tucmd |= E1000_ADVTXD_TUCMD_L4T_SCTP;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4744
			mss_l4len_idx = sizeof(struct sctphdr) <<
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4745
					E1000_ADVTXD_L4LEN_SHIFT;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4746
			break;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4747
		case IPPROTO_UDP:
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4748
			mss_l4len_idx = sizeof(struct udphdr) <<
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4749
					E1000_ADVTXD_L4LEN_SHIFT;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4750
			break;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4751
		default:
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4752
			if (unlikely(net_ratelimit())) {
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4753
				dev_warn(tx_ring->dev,
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4754
					 "partial checksum but l4 proto=%x!\n",
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4755
					 l4_hdr);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4756
			}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4757
			break;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4758
		}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4759
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4760
		/* update TX checksum flag */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4761
		first->tx_flags |= IGB_TX_FLAGS_CSUM;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4762
	}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4763
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4764
	vlan_macip_lens |= skb_network_offset(skb) << E1000_ADVTXD_MACLEN_SHIFT;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4765
	vlan_macip_lens |= first->tx_flags & IGB_TX_FLAGS_VLAN_MASK;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4766
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4767
	igb_tx_ctxtdesc(tx_ring, vlan_macip_lens, type_tucmd, mss_l4len_idx);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4768
}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4769
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4770
#define IGB_SET_FLAG(_input, _flag, _result) \
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4771
	((_flag <= _result) ? \
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4772
	 ((u32)(_input & _flag) * (_result / _flag)) : \
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4773
	 ((u32)(_input & _flag) / (_flag / _result)))
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4774
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4775
static u32 igb_tx_cmd_type(struct sk_buff *skb, u32 tx_flags)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4776
{
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4777
	/* set type for advanced descriptor with frame checksum insertion */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4778
	u32 cmd_type = E1000_ADVTXD_DTYP_DATA |
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4779
		       E1000_ADVTXD_DCMD_DEXT |
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4780
		       E1000_ADVTXD_DCMD_IFCS;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4781
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4782
	/* set HW vlan bit if vlan is present */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4783
	cmd_type |= IGB_SET_FLAG(tx_flags, IGB_TX_FLAGS_VLAN,
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4784
				 (E1000_ADVTXD_DCMD_VLE));
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4785
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4786
	/* set segmentation bits for TSO */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4787
	cmd_type |= IGB_SET_FLAG(tx_flags, IGB_TX_FLAGS_TSO,
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4788
				 (E1000_ADVTXD_DCMD_TSE));
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4789
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4790
	/* set timestamp bit if present */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4791
	cmd_type |= IGB_SET_FLAG(tx_flags, IGB_TX_FLAGS_TSTAMP,
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4792
				 (E1000_ADVTXD_MAC_TSTAMP));
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4793
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4794
	/* insert frame checksum */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4795
	cmd_type ^= IGB_SET_FLAG(skb->no_fcs, 1, E1000_ADVTXD_DCMD_IFCS);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4796
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4797
	return cmd_type;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4798
}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4799
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4800
static void igb_tx_olinfo_status(struct igb_ring *tx_ring,
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4801
				 union e1000_adv_tx_desc *tx_desc,
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4802
				 u32 tx_flags, unsigned int paylen)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4803
{
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4804
	u32 olinfo_status = paylen << E1000_ADVTXD_PAYLEN_SHIFT;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4805
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4806
	/* 82575 requires a unique index per ring */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4807
	if (test_bit(IGB_RING_FLAG_TX_CTX_IDX, &tx_ring->flags))
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4808
		olinfo_status |= tx_ring->reg_idx << 4;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4809
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4810
	/* insert L4 checksum */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4811
	olinfo_status |= IGB_SET_FLAG(tx_flags,
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4812
				      IGB_TX_FLAGS_CSUM,
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4813
				      (E1000_TXD_POPTS_TXSM << 8));
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4814
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4815
	/* insert IPv4 checksum */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4816
	olinfo_status |= IGB_SET_FLAG(tx_flags,
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4817
				      IGB_TX_FLAGS_IPV4,
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4818
				      (E1000_TXD_POPTS_IXSM << 8));
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4819
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4820
	tx_desc->read.olinfo_status = cpu_to_le32(olinfo_status);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4821
}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4822
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4823
static int __igb_maybe_stop_tx(struct igb_ring *tx_ring, const u16 size)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4824
{
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4825
	struct net_device *netdev = tx_ring->netdev;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4826
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4827
	netif_stop_subqueue(netdev, tx_ring->queue_index);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4828
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4829
	/* Herbert's original patch had:
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4830
	 *  smp_mb__after_netif_stop_queue();
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4831
	 * but since that doesn't exist yet, just open code it.
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4832
	 */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4833
	smp_mb();
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4834
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4835
	/* We need to check again in a case another CPU has just
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4836
	 * made room available.
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4837
	 */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4838
	if (igb_desc_unused(tx_ring) < size)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4839
		return -EBUSY;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4840
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4841
	/* A reprieve! */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4842
	netif_wake_subqueue(netdev, tx_ring->queue_index);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4843
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4844
	u64_stats_update_begin(&tx_ring->tx_syncp2);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4845
	tx_ring->tx_stats.restart_queue2++;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4846
	u64_stats_update_end(&tx_ring->tx_syncp2);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4847
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4848
	return 0;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4849
}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4850
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4851
static inline int igb_maybe_stop_tx(struct igb_ring *tx_ring, const u16 size)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4852
{
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4853
	if (igb_desc_unused(tx_ring) >= size)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4854
		return 0;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4855
	return __igb_maybe_stop_tx(tx_ring, size);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4856
}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4857
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4858
static void igb_tx_map(struct igb_ring *tx_ring,
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4859
		       struct igb_tx_buffer *first,
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4860
		       const u8 hdr_len)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4861
{
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4862
	struct sk_buff *skb = first->skb;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4863
	struct igb_tx_buffer *tx_buffer;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4864
	union e1000_adv_tx_desc *tx_desc;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4865
	struct skb_frag_struct *frag;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4866
	dma_addr_t dma;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4867
	unsigned int data_len, size;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4868
	u32 tx_flags = first->tx_flags;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4869
	u32 cmd_type = igb_tx_cmd_type(skb, tx_flags);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4870
	u16 i = tx_ring->next_to_use;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4871
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4872
	tx_desc = IGB_TX_DESC(tx_ring, i);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4873
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4874
	igb_tx_olinfo_status(tx_ring, tx_desc, tx_flags, skb->len - hdr_len);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4875
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4876
	size = skb_headlen(skb);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4877
	data_len = skb->data_len;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4878
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4879
	dma = dma_map_single(tx_ring->dev, skb->data, size, DMA_TO_DEVICE);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4880
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4881
	tx_buffer = first;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4882
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4883
	for (frag = &skb_shinfo(skb)->frags[0];; frag++) {
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4884
		if (dma_mapping_error(tx_ring->dev, dma))
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4885
			goto dma_error;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4886
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4887
		/* record length, and DMA address */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4888
		dma_unmap_len_set(tx_buffer, len, size);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4889
		dma_unmap_addr_set(tx_buffer, dma, dma);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4890
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4891
		tx_desc->read.buffer_addr = cpu_to_le64(dma);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4892
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4893
		while (unlikely(size > IGB_MAX_DATA_PER_TXD)) {
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4894
			tx_desc->read.cmd_type_len =
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4895
				cpu_to_le32(cmd_type ^ IGB_MAX_DATA_PER_TXD);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4896
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4897
			i++;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4898
			tx_desc++;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4899
			if (i == tx_ring->count) {
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4900
				tx_desc = IGB_TX_DESC(tx_ring, 0);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4901
				i = 0;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4902
			}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4903
			tx_desc->read.olinfo_status = 0;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4904
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4905
			dma += IGB_MAX_DATA_PER_TXD;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4906
			size -= IGB_MAX_DATA_PER_TXD;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4907
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4908
			tx_desc->read.buffer_addr = cpu_to_le64(dma);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4909
		}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4910
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4911
		if (likely(!data_len))
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4912
			break;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4913
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4914
		tx_desc->read.cmd_type_len = cpu_to_le32(cmd_type ^ size);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4915
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4916
		i++;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4917
		tx_desc++;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4918
		if (i == tx_ring->count) {
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4919
			tx_desc = IGB_TX_DESC(tx_ring, 0);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4920
			i = 0;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4921
		}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4922
		tx_desc->read.olinfo_status = 0;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4923
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4924
		size = skb_frag_size(frag);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4925
		data_len -= size;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4926
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4927
		dma = skb_frag_dma_map(tx_ring->dev, frag, 0,
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4928
				       size, DMA_TO_DEVICE);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4929
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4930
		tx_buffer = &tx_ring->tx_buffer_info[i];
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4931
	}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4932
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4933
	/* write last descriptor with RS and EOP bits */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4934
	cmd_type |= size | IGB_TXD_DCMD;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4935
	tx_desc->read.cmd_type_len = cpu_to_le32(cmd_type);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4936
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4937
	netdev_tx_sent_queue(txring_txq(tx_ring), first->bytecount);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4938
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4939
	/* set the timestamp */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4940
	first->time_stamp = jiffies;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4941
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4942
	/* Force memory writes to complete before letting h/w know there
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4943
	 * are new descriptors to fetch.  (Only applicable for weak-ordered
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4944
	 * memory model archs, such as IA-64).
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4945
	 *
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4946
	 * We also need this memory barrier to make certain all of the
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4947
	 * status bits have been updated before next_to_watch is written.
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4948
	 */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4949
	wmb();
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4950
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4951
	/* set next_to_watch value indicating a packet is present */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4952
	first->next_to_watch = tx_desc;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4953
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4954
	i++;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4955
	if (i == tx_ring->count)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4956
		i = 0;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4957
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4958
	tx_ring->next_to_use = i;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4959
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4960
	/* Make sure there is space in the ring for the next send. */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4961
	igb_maybe_stop_tx(tx_ring, DESC_NEEDED);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4962
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4963
	if (netif_xmit_stopped(txring_txq(tx_ring)) || !skb->xmit_more) {
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4964
		writel(i, tx_ring->tail);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4965
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4966
		/* we need this if more than one processor can write to our tail
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4967
		 * at a time, it synchronizes IO on IA64/Altix systems
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4968
		 */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4969
		mmiowb();
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4970
	}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4971
	return;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4972
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4973
dma_error:
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4974
	dev_err(tx_ring->dev, "TX DMA map failed\n");
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4975
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4976
	/* clear dma mappings for failed tx_buffer_info map */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4977
	for (;;) {
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4978
		tx_buffer = &tx_ring->tx_buffer_info[i];
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4979
		igb_unmap_and_free_tx_resource(tx_ring, tx_buffer);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4980
		if (tx_buffer == first)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4981
			break;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4982
		if (i == 0)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4983
			i = tx_ring->count;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4984
		i--;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4985
	}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4986
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4987
	tx_ring->next_to_use = i;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4988
}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4989
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4990
netdev_tx_t igb_xmit_frame_ring(struct sk_buff *skb,
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4991
				struct igb_ring *tx_ring)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4992
{
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4993
	struct igb_tx_buffer *first;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4994
	int tso;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4995
	u32 tx_flags = 0;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4996
	u16 count = TXD_USE_COUNT(skb_headlen(skb));
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4997
	__be16 protocol = vlan_get_protocol(skb);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4998
	u8 hdr_len = 0;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  4999
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5000
	/* need: 1 descriptor per page * PAGE_SIZE/IGB_MAX_DATA_PER_TXD,
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5001
	 *       + 1 desc for skb_headlen/IGB_MAX_DATA_PER_TXD,
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5002
	 *       + 2 desc gap to keep tail from touching head,
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5003
	 *       + 1 desc for context descriptor,
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5004
	 * otherwise try next time
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5005
	 */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5006
	if (NETDEV_FRAG_PAGE_MAX_SIZE > IGB_MAX_DATA_PER_TXD) {
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5007
		unsigned short f;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5008
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5009
		for (f = 0; f < skb_shinfo(skb)->nr_frags; f++)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5010
			count += TXD_USE_COUNT(skb_shinfo(skb)->frags[f].size);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5011
	} else {
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5012
		count += skb_shinfo(skb)->nr_frags;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5013
	}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5014
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5015
	if (igb_maybe_stop_tx(tx_ring, count + 3)) {
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5016
		/* this is a hard error */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5017
		return NETDEV_TX_BUSY;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5018
	}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5019
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5020
	/* record the location of the first descriptor for this packet */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5021
	first = &tx_ring->tx_buffer_info[tx_ring->next_to_use];
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5022
	first->skb = skb;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5023
	first->bytecount = skb->len;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5024
	first->gso_segs = 1;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5025
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5026
	if (unlikely(skb_shinfo(skb)->tx_flags & SKBTX_HW_TSTAMP)) {
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5027
		struct igb_adapter *adapter = netdev_priv(tx_ring->netdev);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5028
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5029
		if (!test_and_set_bit_lock(__IGB_PTP_TX_IN_PROGRESS,
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5030
					   &adapter->state)) {
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5031
			skb_shinfo(skb)->tx_flags |= SKBTX_IN_PROGRESS;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5032
			tx_flags |= IGB_TX_FLAGS_TSTAMP;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5033
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5034
			adapter->ptp_tx_skb = skb_get(skb);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5035
			adapter->ptp_tx_start = jiffies;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5036
			if (adapter->hw.mac.type == e1000_82576)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5037
				schedule_work(&adapter->ptp_tx_work);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5038
		}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5039
	}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5040
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5041
	skb_tx_timestamp(skb);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5042
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5043
	if (vlan_tx_tag_present(skb)) {
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5044
		tx_flags |= IGB_TX_FLAGS_VLAN;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5045
		tx_flags |= (vlan_tx_tag_get(skb) << IGB_TX_FLAGS_VLAN_SHIFT);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5046
	}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5047
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5048
	/* record initial flags and protocol */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5049
	first->tx_flags = tx_flags;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5050
	first->protocol = protocol;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5051
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5052
	tso = igb_tso(tx_ring, first, &hdr_len);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5053
	if (tso < 0)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5054
		goto out_drop;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5055
	else if (!tso)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5056
		igb_tx_csum(tx_ring, first);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5057
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5058
	igb_tx_map(tx_ring, first, hdr_len);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5059
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5060
	return NETDEV_TX_OK;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5061
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5062
out_drop:
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5063
	igb_unmap_and_free_tx_resource(tx_ring, first);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5064
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5065
	return NETDEV_TX_OK;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5066
}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5067
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5068
static inline struct igb_ring *igb_tx_queue_mapping(struct igb_adapter *adapter,
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5069
						    struct sk_buff *skb)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5070
{
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5071
	unsigned int r_idx = skb->queue_mapping;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5072
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5073
	if (r_idx >= adapter->num_tx_queues)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5074
		r_idx = r_idx % adapter->num_tx_queues;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5075
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5076
	return adapter->tx_ring[r_idx];
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5077
}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5078
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5079
static netdev_tx_t igb_xmit_frame(struct sk_buff *skb,
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5080
				  struct net_device *netdev)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5081
{
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5082
	struct igb_adapter *adapter = netdev_priv(netdev);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5083
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5084
	if (test_bit(__IGB_DOWN, &adapter->state)) {
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5085
		dev_kfree_skb_any(skb);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5086
		return NETDEV_TX_OK;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5087
	}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5088
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5089
	if (skb->len <= 0) {
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5090
		dev_kfree_skb_any(skb);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5091
		return NETDEV_TX_OK;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5092
	}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5093
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5094
	/* The minimum packet size with TCTL.PSP set is 17 so pad the skb
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5095
	 * in order to meet this minimum size requirement.
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5096
	 */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5097
	if (unlikely(skb->len < 17)) {
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5098
		if (skb_pad(skb, 17 - skb->len))
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5099
			return NETDEV_TX_OK;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5100
		skb->len = 17;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5101
		skb_set_tail_pointer(skb, 17);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5102
	}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5103
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5104
	return igb_xmit_frame_ring(skb, igb_tx_queue_mapping(adapter, skb));
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5105
}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5106
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5107
/**
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5108
 *  igb_tx_timeout - Respond to a Tx Hang
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5109
 *  @netdev: network interface device structure
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5110
 **/
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5111
static void igb_tx_timeout(struct net_device *netdev)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5112
{
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5113
	struct igb_adapter *adapter = netdev_priv(netdev);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5114
	struct e1000_hw *hw = &adapter->hw;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5115
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5116
	/* Do the reset outside of interrupt context */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5117
	adapter->tx_timeout_count++;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5118
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5119
	if (hw->mac.type >= e1000_82580)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5120
		hw->dev_spec._82575.global_device_reset = true;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5121
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5122
	schedule_work(&adapter->reset_task);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5123
	wr32(E1000_EICS,
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5124
	     (adapter->eims_enable_mask & ~adapter->eims_other));
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5125
}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5126
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5127
static void igb_reset_task(struct work_struct *work)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5128
{
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5129
	struct igb_adapter *adapter;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5130
	adapter = container_of(work, struct igb_adapter, reset_task);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5131
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5132
	igb_dump(adapter);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5133
	netdev_err(adapter->netdev, "Reset adapter\n");
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5134
	igb_reinit_locked(adapter);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5135
}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5136
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5137
/**
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5138
 *  igb_get_stats64 - Get System Network Statistics
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5139
 *  @netdev: network interface device structure
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5140
 *  @stats: rtnl_link_stats64 pointer
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5141
 **/
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5142
static struct rtnl_link_stats64 *igb_get_stats64(struct net_device *netdev,
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5143
						struct rtnl_link_stats64 *stats)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5144
{
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5145
	struct igb_adapter *adapter = netdev_priv(netdev);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5146
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5147
	spin_lock(&adapter->stats64_lock);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5148
	igb_update_stats(adapter, &adapter->stats64);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5149
	memcpy(stats, &adapter->stats64, sizeof(*stats));
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5150
	spin_unlock(&adapter->stats64_lock);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5151
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5152
	return stats;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5153
}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5154
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5155
/**
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5156
 *  igb_change_mtu - Change the Maximum Transfer Unit
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5157
 *  @netdev: network interface device structure
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5158
 *  @new_mtu: new value for maximum frame size
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5159
 *
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5160
 *  Returns 0 on success, negative on failure
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5161
 **/
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5162
static int igb_change_mtu(struct net_device *netdev, int new_mtu)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5163
{
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5164
	struct igb_adapter *adapter = netdev_priv(netdev);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5165
	struct pci_dev *pdev = adapter->pdev;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5166
	int max_frame = new_mtu + ETH_HLEN + ETH_FCS_LEN + VLAN_HLEN;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5167
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5168
	if ((new_mtu < 68) || (max_frame > MAX_JUMBO_FRAME_SIZE)) {
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5169
		dev_err(&pdev->dev, "Invalid MTU setting\n");
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5170
		return -EINVAL;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5171
	}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5172
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5173
#define MAX_STD_JUMBO_FRAME_SIZE 9238
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5174
	if (max_frame > MAX_STD_JUMBO_FRAME_SIZE) {
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5175
		dev_err(&pdev->dev, "MTU > 9216 not supported.\n");
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5176
		return -EINVAL;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5177
	}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5178
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5179
	/* adjust max frame to be at least the size of a standard frame */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5180
	if (max_frame < (ETH_FRAME_LEN + ETH_FCS_LEN))
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5181
		max_frame = ETH_FRAME_LEN + ETH_FCS_LEN;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5182
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5183
	while (test_and_set_bit(__IGB_RESETTING, &adapter->state))
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5184
		usleep_range(1000, 2000);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5185
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5186
	/* igb_down has a dependency on max_frame_size */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5187
	adapter->max_frame_size = max_frame;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5188
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5189
	if (netif_running(netdev))
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5190
		igb_down(adapter);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5191
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5192
	dev_info(&pdev->dev, "changing MTU from %d to %d\n",
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5193
		 netdev->mtu, new_mtu);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5194
	netdev->mtu = new_mtu;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5195
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5196
	if (netif_running(netdev))
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5197
		igb_up(adapter);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5198
	else
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5199
		igb_reset(adapter);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5200
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5201
	clear_bit(__IGB_RESETTING, &adapter->state);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5202
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5203
	return 0;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5204
}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5205
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5206
/**
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5207
 *  igb_update_stats - Update the board statistics counters
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5208
 *  @adapter: board private structure
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5209
 **/
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5210
void igb_update_stats(struct igb_adapter *adapter,
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5211
		      struct rtnl_link_stats64 *net_stats)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5212
{
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5213
	struct e1000_hw *hw = &adapter->hw;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5214
	struct pci_dev *pdev = adapter->pdev;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5215
	u32 reg, mpc;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5216
	int i;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5217
	u64 bytes, packets;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5218
	unsigned int start;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5219
	u64 _bytes, _packets;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5220
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5221
	/* Prevent stats update while adapter is being reset, or if the pci
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5222
	 * connection is down.
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5223
	 */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5224
	if (adapter->link_speed == 0)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5225
		return;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5226
	if (pci_channel_offline(pdev))
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5227
		return;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5228
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5229
	bytes = 0;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5230
	packets = 0;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5231
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5232
	rcu_read_lock();
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5233
	for (i = 0; i < adapter->num_rx_queues; i++) {
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5234
		struct igb_ring *ring = adapter->rx_ring[i];
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5235
		u32 rqdpc = rd32(E1000_RQDPC(i));
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5236
		if (hw->mac.type >= e1000_i210)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5237
			wr32(E1000_RQDPC(i), 0);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5238
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5239
		if (rqdpc) {
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5240
			ring->rx_stats.drops += rqdpc;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5241
			net_stats->rx_fifo_errors += rqdpc;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5242
		}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5243
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5244
		do {
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5245
			start = u64_stats_fetch_begin_irq(&ring->rx_syncp);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5246
			_bytes = ring->rx_stats.bytes;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5247
			_packets = ring->rx_stats.packets;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5248
		} while (u64_stats_fetch_retry_irq(&ring->rx_syncp, start));
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5249
		bytes += _bytes;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5250
		packets += _packets;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5251
	}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5252
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5253
	net_stats->rx_bytes = bytes;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5254
	net_stats->rx_packets = packets;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5255
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5256
	bytes = 0;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5257
	packets = 0;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5258
	for (i = 0; i < adapter->num_tx_queues; i++) {
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5259
		struct igb_ring *ring = adapter->tx_ring[i];
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5260
		do {
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5261
			start = u64_stats_fetch_begin_irq(&ring->tx_syncp);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5262
			_bytes = ring->tx_stats.bytes;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5263
			_packets = ring->tx_stats.packets;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5264
		} while (u64_stats_fetch_retry_irq(&ring->tx_syncp, start));
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5265
		bytes += _bytes;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5266
		packets += _packets;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5267
	}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5268
	net_stats->tx_bytes = bytes;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5269
	net_stats->tx_packets = packets;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5270
	rcu_read_unlock();
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5271
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5272
	/* read stats registers */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5273
	adapter->stats.crcerrs += rd32(E1000_CRCERRS);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5274
	adapter->stats.gprc += rd32(E1000_GPRC);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5275
	adapter->stats.gorc += rd32(E1000_GORCL);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5276
	rd32(E1000_GORCH); /* clear GORCL */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5277
	adapter->stats.bprc += rd32(E1000_BPRC);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5278
	adapter->stats.mprc += rd32(E1000_MPRC);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5279
	adapter->stats.roc += rd32(E1000_ROC);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5280
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5281
	adapter->stats.prc64 += rd32(E1000_PRC64);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5282
	adapter->stats.prc127 += rd32(E1000_PRC127);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5283
	adapter->stats.prc255 += rd32(E1000_PRC255);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5284
	adapter->stats.prc511 += rd32(E1000_PRC511);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5285
	adapter->stats.prc1023 += rd32(E1000_PRC1023);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5286
	adapter->stats.prc1522 += rd32(E1000_PRC1522);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5287
	adapter->stats.symerrs += rd32(E1000_SYMERRS);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5288
	adapter->stats.sec += rd32(E1000_SEC);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5289
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5290
	mpc = rd32(E1000_MPC);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5291
	adapter->stats.mpc += mpc;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5292
	net_stats->rx_fifo_errors += mpc;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5293
	adapter->stats.scc += rd32(E1000_SCC);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5294
	adapter->stats.ecol += rd32(E1000_ECOL);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5295
	adapter->stats.mcc += rd32(E1000_MCC);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5296
	adapter->stats.latecol += rd32(E1000_LATECOL);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5297
	adapter->stats.dc += rd32(E1000_DC);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5298
	adapter->stats.rlec += rd32(E1000_RLEC);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5299
	adapter->stats.xonrxc += rd32(E1000_XONRXC);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5300
	adapter->stats.xontxc += rd32(E1000_XONTXC);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5301
	adapter->stats.xoffrxc += rd32(E1000_XOFFRXC);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5302
	adapter->stats.xofftxc += rd32(E1000_XOFFTXC);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5303
	adapter->stats.fcruc += rd32(E1000_FCRUC);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5304
	adapter->stats.gptc += rd32(E1000_GPTC);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5305
	adapter->stats.gotc += rd32(E1000_GOTCL);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5306
	rd32(E1000_GOTCH); /* clear GOTCL */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5307
	adapter->stats.rnbc += rd32(E1000_RNBC);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5308
	adapter->stats.ruc += rd32(E1000_RUC);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5309
	adapter->stats.rfc += rd32(E1000_RFC);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5310
	adapter->stats.rjc += rd32(E1000_RJC);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5311
	adapter->stats.tor += rd32(E1000_TORH);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5312
	adapter->stats.tot += rd32(E1000_TOTH);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5313
	adapter->stats.tpr += rd32(E1000_TPR);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5314
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5315
	adapter->stats.ptc64 += rd32(E1000_PTC64);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5316
	adapter->stats.ptc127 += rd32(E1000_PTC127);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5317
	adapter->stats.ptc255 += rd32(E1000_PTC255);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5318
	adapter->stats.ptc511 += rd32(E1000_PTC511);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5319
	adapter->stats.ptc1023 += rd32(E1000_PTC1023);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5320
	adapter->stats.ptc1522 += rd32(E1000_PTC1522);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5321
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5322
	adapter->stats.mptc += rd32(E1000_MPTC);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5323
	adapter->stats.bptc += rd32(E1000_BPTC);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5324
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5325
	adapter->stats.tpt += rd32(E1000_TPT);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5326
	adapter->stats.colc += rd32(E1000_COLC);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5327
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5328
	adapter->stats.algnerrc += rd32(E1000_ALGNERRC);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5329
	/* read internal phy specific stats */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5330
	reg = rd32(E1000_CTRL_EXT);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5331
	if (!(reg & E1000_CTRL_EXT_LINK_MODE_MASK)) {
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5332
		adapter->stats.rxerrc += rd32(E1000_RXERRC);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5333
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5334
		/* this stat has invalid values on i210/i211 */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5335
		if ((hw->mac.type != e1000_i210) &&
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5336
		    (hw->mac.type != e1000_i211))
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5337
			adapter->stats.tncrs += rd32(E1000_TNCRS);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5338
	}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5339
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5340
	adapter->stats.tsctc += rd32(E1000_TSCTC);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5341
	adapter->stats.tsctfc += rd32(E1000_TSCTFC);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5342
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5343
	adapter->stats.iac += rd32(E1000_IAC);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5344
	adapter->stats.icrxoc += rd32(E1000_ICRXOC);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5345
	adapter->stats.icrxptc += rd32(E1000_ICRXPTC);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5346
	adapter->stats.icrxatc += rd32(E1000_ICRXATC);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5347
	adapter->stats.ictxptc += rd32(E1000_ICTXPTC);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5348
	adapter->stats.ictxatc += rd32(E1000_ICTXATC);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5349
	adapter->stats.ictxqec += rd32(E1000_ICTXQEC);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5350
	adapter->stats.ictxqmtc += rd32(E1000_ICTXQMTC);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5351
	adapter->stats.icrxdmtc += rd32(E1000_ICRXDMTC);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5352
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5353
	/* Fill out the OS statistics structure */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5354
	net_stats->multicast = adapter->stats.mprc;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5355
	net_stats->collisions = adapter->stats.colc;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5356
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5357
	/* Rx Errors */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5358
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5359
	/* RLEC on some newer hardware can be incorrect so build
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5360
	 * our own version based on RUC and ROC
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5361
	 */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5362
	net_stats->rx_errors = adapter->stats.rxerrc +
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5363
		adapter->stats.crcerrs + adapter->stats.algnerrc +
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5364
		adapter->stats.ruc + adapter->stats.roc +
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5365
		adapter->stats.cexterr;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5366
	net_stats->rx_length_errors = adapter->stats.ruc +
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5367
				      adapter->stats.roc;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5368
	net_stats->rx_crc_errors = adapter->stats.crcerrs;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5369
	net_stats->rx_frame_errors = adapter->stats.algnerrc;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5370
	net_stats->rx_missed_errors = adapter->stats.mpc;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5371
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5372
	/* Tx Errors */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5373
	net_stats->tx_errors = adapter->stats.ecol +
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5374
			       adapter->stats.latecol;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5375
	net_stats->tx_aborted_errors = adapter->stats.ecol;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5376
	net_stats->tx_window_errors = adapter->stats.latecol;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5377
	net_stats->tx_carrier_errors = adapter->stats.tncrs;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5378
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5379
	/* Tx Dropped needs to be maintained elsewhere */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5380
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5381
	/* Management Stats */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5382
	adapter->stats.mgptc += rd32(E1000_MGTPTC);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5383
	adapter->stats.mgprc += rd32(E1000_MGTPRC);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5384
	adapter->stats.mgpdc += rd32(E1000_MGTPDC);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5385
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5386
	/* OS2BMC Stats */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5387
	reg = rd32(E1000_MANC);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5388
	if (reg & E1000_MANC_EN_BMC2OS) {
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5389
		adapter->stats.o2bgptc += rd32(E1000_O2BGPTC);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5390
		adapter->stats.o2bspc += rd32(E1000_O2BSPC);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5391
		adapter->stats.b2ospc += rd32(E1000_B2OSPC);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5392
		adapter->stats.b2ogprc += rd32(E1000_B2OGPRC);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5393
	}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5394
}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5395
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5396
static irqreturn_t igb_msix_other(int irq, void *data)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5397
{
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5398
	struct igb_adapter *adapter = data;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5399
	struct e1000_hw *hw = &adapter->hw;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5400
	u32 icr = rd32(E1000_ICR);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5401
	/* reading ICR causes bit 31 of EICR to be cleared */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5402
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5403
	if (icr & E1000_ICR_DRSTA)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5404
		schedule_work(&adapter->reset_task);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5405
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5406
	if (icr & E1000_ICR_DOUTSYNC) {
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5407
		/* HW is reporting DMA is out of sync */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5408
		adapter->stats.doosync++;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5409
		/* The DMA Out of Sync is also indication of a spoof event
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5410
		 * in IOV mode. Check the Wrong VM Behavior register to
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5411
		 * see if it is really a spoof event.
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5412
		 */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5413
		igb_check_wvbr(adapter);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5414
	}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5415
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5416
	/* Check for a mailbox event */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5417
	if (icr & E1000_ICR_VMMB)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5418
		igb_msg_task(adapter);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5419
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5420
	if (icr & E1000_ICR_LSC) {
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5421
		hw->mac.get_link_status = 1;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5422
		/* guard against interrupt when we're going down */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5423
		if (!test_bit(__IGB_DOWN, &adapter->state))
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5424
			mod_timer(&adapter->watchdog_timer, jiffies + 1);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5425
	}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5426
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5427
	if (icr & E1000_ICR_TS) {
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5428
		u32 tsicr = rd32(E1000_TSICR);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5429
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5430
		if (tsicr & E1000_TSICR_TXTS) {
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5431
			/* acknowledge the interrupt */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5432
			wr32(E1000_TSICR, E1000_TSICR_TXTS);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5433
			/* retrieve hardware timestamp */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5434
			schedule_work(&adapter->ptp_tx_work);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5435
		}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5436
	}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5437
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5438
	wr32(E1000_EIMS, adapter->eims_other);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5439
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5440
	return IRQ_HANDLED;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5441
}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5442
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5443
static void igb_write_itr(struct igb_q_vector *q_vector)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5444
{
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5445
	struct igb_adapter *adapter = q_vector->adapter;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5446
	u32 itr_val = q_vector->itr_val & 0x7FFC;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5447
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5448
	if (!q_vector->set_itr)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5449
		return;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5450
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5451
	if (!itr_val)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5452
		itr_val = 0x4;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5453
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5454
	if (adapter->hw.mac.type == e1000_82575)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5455
		itr_val |= itr_val << 16;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5456
	else
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5457
		itr_val |= E1000_EITR_CNT_IGNR;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5458
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5459
	writel(itr_val, q_vector->itr_register);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5460
	q_vector->set_itr = 0;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5461
}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5462
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5463
static irqreturn_t igb_msix_ring(int irq, void *data)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5464
{
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5465
	struct igb_q_vector *q_vector = data;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5466
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5467
	/* Write the ITR value calculated from the previous interrupt. */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5468
	igb_write_itr(q_vector);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5469
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5470
	napi_schedule(&q_vector->napi);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5471
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5472
	return IRQ_HANDLED;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5473
}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5474
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5475
#ifdef CONFIG_IGB_DCA
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5476
static void igb_update_tx_dca(struct igb_adapter *adapter,
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5477
			      struct igb_ring *tx_ring,
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5478
			      int cpu)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5479
{
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5480
	struct e1000_hw *hw = &adapter->hw;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5481
	u32 txctrl = dca3_get_tag(tx_ring->dev, cpu);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5482
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5483
	if (hw->mac.type != e1000_82575)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5484
		txctrl <<= E1000_DCA_TXCTRL_CPUID_SHIFT;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5485
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5486
	/* We can enable relaxed ordering for reads, but not writes when
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5487
	 * DCA is enabled.  This is due to a known issue in some chipsets
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5488
	 * which will cause the DCA tag to be cleared.
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5489
	 */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5490
	txctrl |= E1000_DCA_TXCTRL_DESC_RRO_EN |
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5491
		  E1000_DCA_TXCTRL_DATA_RRO_EN |
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5492
		  E1000_DCA_TXCTRL_DESC_DCA_EN;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5493
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5494
	wr32(E1000_DCA_TXCTRL(tx_ring->reg_idx), txctrl);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5495
}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5496
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5497
static void igb_update_rx_dca(struct igb_adapter *adapter,
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5498
			      struct igb_ring *rx_ring,
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5499
			      int cpu)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5500
{
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5501
	struct e1000_hw *hw = &adapter->hw;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5502
	u32 rxctrl = dca3_get_tag(&adapter->pdev->dev, cpu);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5503
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5504
	if (hw->mac.type != e1000_82575)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5505
		rxctrl <<= E1000_DCA_RXCTRL_CPUID_SHIFT;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5506
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5507
	/* We can enable relaxed ordering for reads, but not writes when
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5508
	 * DCA is enabled.  This is due to a known issue in some chipsets
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5509
	 * which will cause the DCA tag to be cleared.
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5510
	 */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5511
	rxctrl |= E1000_DCA_RXCTRL_DESC_RRO_EN |
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5512
		  E1000_DCA_RXCTRL_DESC_DCA_EN;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5513
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5514
	wr32(E1000_DCA_RXCTRL(rx_ring->reg_idx), rxctrl);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5515
}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5516
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5517
static void igb_update_dca(struct igb_q_vector *q_vector)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5518
{
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5519
	struct igb_adapter *adapter = q_vector->adapter;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5520
	int cpu = get_cpu();
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5521
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5522
	if (q_vector->cpu == cpu)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5523
		goto out_no_update;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5524
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5525
	if (q_vector->tx.ring)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5526
		igb_update_tx_dca(adapter, q_vector->tx.ring, cpu);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5527
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5528
	if (q_vector->rx.ring)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5529
		igb_update_rx_dca(adapter, q_vector->rx.ring, cpu);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5530
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5531
	q_vector->cpu = cpu;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5532
out_no_update:
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5533
	put_cpu();
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5534
}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5535
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5536
static void igb_setup_dca(struct igb_adapter *adapter)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5537
{
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5538
	struct e1000_hw *hw = &adapter->hw;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5539
	int i;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5540
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5541
	if (!(adapter->flags & IGB_FLAG_DCA_ENABLED))
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5542
		return;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5543
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5544
	/* Always use CB2 mode, difference is masked in the CB driver. */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5545
	wr32(E1000_DCA_CTRL, E1000_DCA_CTRL_DCA_MODE_CB2);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5546
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5547
	for (i = 0; i < adapter->num_q_vectors; i++) {
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5548
		adapter->q_vector[i]->cpu = -1;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5549
		igb_update_dca(adapter->q_vector[i]);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5550
	}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5551
}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5552
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5553
static int __igb_notify_dca(struct device *dev, void *data)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5554
{
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5555
	struct net_device *netdev = dev_get_drvdata(dev);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5556
	struct igb_adapter *adapter = netdev_priv(netdev);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5557
	struct pci_dev *pdev = adapter->pdev;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5558
	struct e1000_hw *hw = &adapter->hw;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5559
	unsigned long event = *(unsigned long *)data;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5560
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5561
	switch (event) {
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5562
	case DCA_PROVIDER_ADD:
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5563
		/* if already enabled, don't do it again */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5564
		if (adapter->flags & IGB_FLAG_DCA_ENABLED)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5565
			break;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5566
		if (dca_add_requester(dev) == 0) {
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5567
			adapter->flags |= IGB_FLAG_DCA_ENABLED;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5568
			dev_info(&pdev->dev, "DCA enabled\n");
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5569
			igb_setup_dca(adapter);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5570
			break;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5571
		}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5572
		/* Fall Through since DCA is disabled. */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5573
	case DCA_PROVIDER_REMOVE:
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5574
		if (adapter->flags & IGB_FLAG_DCA_ENABLED) {
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5575
			/* without this a class_device is left
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5576
			 * hanging around in the sysfs model
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5577
			 */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5578
			dca_remove_requester(dev);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5579
			dev_info(&pdev->dev, "DCA disabled\n");
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5580
			adapter->flags &= ~IGB_FLAG_DCA_ENABLED;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5581
			wr32(E1000_DCA_CTRL, E1000_DCA_CTRL_DCA_MODE_DISABLE);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5582
		}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5583
		break;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5584
	}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5585
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5586
	return 0;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5587
}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5588
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5589
static int igb_notify_dca(struct notifier_block *nb, unsigned long event,
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5590
			  void *p)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5591
{
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5592
	int ret_val;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5593
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5594
	ret_val = driver_for_each_device(&igb_driver.driver, NULL, &event,
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5595
					 __igb_notify_dca);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5596
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5597
	return ret_val ? NOTIFY_BAD : NOTIFY_DONE;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5598
}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5599
#endif /* CONFIG_IGB_DCA */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5600
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5601
#ifdef CONFIG_PCI_IOV
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5602
static int igb_vf_configure(struct igb_adapter *adapter, int vf)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5603
{
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5604
	unsigned char mac_addr[ETH_ALEN];
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5605
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5606
	eth_zero_addr(mac_addr);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5607
	igb_set_vf_mac(adapter, vf, mac_addr);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5608
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5609
	/* By default spoof check is enabled for all VFs */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5610
	adapter->vf_data[vf].spoofchk_enabled = true;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5611
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5612
	return 0;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5613
}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5614
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5615
#endif
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5616
static void igb_ping_all_vfs(struct igb_adapter *adapter)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5617
{
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5618
	struct e1000_hw *hw = &adapter->hw;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5619
	u32 ping;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5620
	int i;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5621
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5622
	for (i = 0 ; i < adapter->vfs_allocated_count; i++) {
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5623
		ping = E1000_PF_CONTROL_MSG;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5624
		if (adapter->vf_data[i].flags & IGB_VF_FLAG_CTS)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5625
			ping |= E1000_VT_MSGTYPE_CTS;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5626
		igb_write_mbx(hw, &ping, 1, i);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5627
	}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5628
}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5629
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5630
static int igb_set_vf_promisc(struct igb_adapter *adapter, u32 *msgbuf, u32 vf)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5631
{
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5632
	struct e1000_hw *hw = &adapter->hw;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5633
	u32 vmolr = rd32(E1000_VMOLR(vf));
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5634
	struct vf_data_storage *vf_data = &adapter->vf_data[vf];
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5635
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5636
	vf_data->flags &= ~(IGB_VF_FLAG_UNI_PROMISC |
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5637
			    IGB_VF_FLAG_MULTI_PROMISC);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5638
	vmolr &= ~(E1000_VMOLR_ROPE | E1000_VMOLR_ROMPE | E1000_VMOLR_MPME);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5639
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5640
	if (*msgbuf & E1000_VF_SET_PROMISC_MULTICAST) {
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5641
		vmolr |= E1000_VMOLR_MPME;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5642
		vf_data->flags |= IGB_VF_FLAG_MULTI_PROMISC;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5643
		*msgbuf &= ~E1000_VF_SET_PROMISC_MULTICAST;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5644
	} else {
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5645
		/* if we have hashes and we are clearing a multicast promisc
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5646
		 * flag we need to write the hashes to the MTA as this step
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5647
		 * was previously skipped
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5648
		 */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5649
		if (vf_data->num_vf_mc_hashes > 30) {
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5650
			vmolr |= E1000_VMOLR_MPME;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5651
		} else if (vf_data->num_vf_mc_hashes) {
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5652
			int j;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5653
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5654
			vmolr |= E1000_VMOLR_ROMPE;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5655
			for (j = 0; j < vf_data->num_vf_mc_hashes; j++)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5656
				igb_mta_set(hw, vf_data->vf_mc_hashes[j]);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5657
		}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5658
	}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5659
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5660
	wr32(E1000_VMOLR(vf), vmolr);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5661
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5662
	/* there are flags left unprocessed, likely not supported */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5663
	if (*msgbuf & E1000_VT_MSGINFO_MASK)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5664
		return -EINVAL;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5665
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5666
	return 0;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5667
}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5668
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5669
static int igb_set_vf_multicasts(struct igb_adapter *adapter,
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5670
				  u32 *msgbuf, u32 vf)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5671
{
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5672
	int n = (msgbuf[0] & E1000_VT_MSGINFO_MASK) >> E1000_VT_MSGINFO_SHIFT;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5673
	u16 *hash_list = (u16 *)&msgbuf[1];
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5674
	struct vf_data_storage *vf_data = &adapter->vf_data[vf];
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5675
	int i;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5676
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5677
	/* salt away the number of multicast addresses assigned
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5678
	 * to this VF for later use to restore when the PF multi cast
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5679
	 * list changes
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5680
	 */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5681
	vf_data->num_vf_mc_hashes = n;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5682
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5683
	/* only up to 30 hash values supported */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5684
	if (n > 30)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5685
		n = 30;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5686
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5687
	/* store the hashes for later use */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5688
	for (i = 0; i < n; i++)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5689
		vf_data->vf_mc_hashes[i] = hash_list[i];
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5690
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5691
	/* Flush and reset the mta with the new values */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5692
	igb_set_rx_mode(adapter->netdev);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5693
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5694
	return 0;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5695
}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5696
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5697
static void igb_restore_vf_multicasts(struct igb_adapter *adapter)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5698
{
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5699
	struct e1000_hw *hw = &adapter->hw;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5700
	struct vf_data_storage *vf_data;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5701
	int i, j;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5702
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5703
	for (i = 0; i < adapter->vfs_allocated_count; i++) {
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5704
		u32 vmolr = rd32(E1000_VMOLR(i));
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5705
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5706
		vmolr &= ~(E1000_VMOLR_ROMPE | E1000_VMOLR_MPME);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5707
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5708
		vf_data = &adapter->vf_data[i];
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5709
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5710
		if ((vf_data->num_vf_mc_hashes > 30) ||
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5711
		    (vf_data->flags & IGB_VF_FLAG_MULTI_PROMISC)) {
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5712
			vmolr |= E1000_VMOLR_MPME;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5713
		} else if (vf_data->num_vf_mc_hashes) {
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5714
			vmolr |= E1000_VMOLR_ROMPE;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5715
			for (j = 0; j < vf_data->num_vf_mc_hashes; j++)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5716
				igb_mta_set(hw, vf_data->vf_mc_hashes[j]);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5717
		}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5718
		wr32(E1000_VMOLR(i), vmolr);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5719
	}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5720
}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5721
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5722
static void igb_clear_vf_vfta(struct igb_adapter *adapter, u32 vf)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5723
{
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5724
	struct e1000_hw *hw = &adapter->hw;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5725
	u32 pool_mask, reg, vid;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5726
	int i;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5727
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5728
	pool_mask = 1 << (E1000_VLVF_POOLSEL_SHIFT + vf);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5729
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5730
	/* Find the vlan filter for this id */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5731
	for (i = 0; i < E1000_VLVF_ARRAY_SIZE; i++) {
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5732
		reg = rd32(E1000_VLVF(i));
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5733
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5734
		/* remove the vf from the pool */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5735
		reg &= ~pool_mask;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5736
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5737
		/* if pool is empty then remove entry from vfta */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5738
		if (!(reg & E1000_VLVF_POOLSEL_MASK) &&
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5739
		    (reg & E1000_VLVF_VLANID_ENABLE)) {
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5740
			reg = 0;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5741
			vid = reg & E1000_VLVF_VLANID_MASK;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5742
			igb_vfta_set(hw, vid, false);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5743
		}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5744
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5745
		wr32(E1000_VLVF(i), reg);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5746
	}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5747
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5748
	adapter->vf_data[vf].vlans_enabled = 0;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5749
}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5750
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5751
static s32 igb_vlvf_set(struct igb_adapter *adapter, u32 vid, bool add, u32 vf)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5752
{
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5753
	struct e1000_hw *hw = &adapter->hw;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5754
	u32 reg, i;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5755
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5756
	/* The vlvf table only exists on 82576 hardware and newer */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5757
	if (hw->mac.type < e1000_82576)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5758
		return -1;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5759
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5760
	/* we only need to do this if VMDq is enabled */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5761
	if (!adapter->vfs_allocated_count)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5762
		return -1;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5763
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5764
	/* Find the vlan filter for this id */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5765
	for (i = 0; i < E1000_VLVF_ARRAY_SIZE; i++) {
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5766
		reg = rd32(E1000_VLVF(i));
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5767
		if ((reg & E1000_VLVF_VLANID_ENABLE) &&
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5768
		    vid == (reg & E1000_VLVF_VLANID_MASK))
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5769
			break;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5770
	}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5771
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5772
	if (add) {
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5773
		if (i == E1000_VLVF_ARRAY_SIZE) {
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5774
			/* Did not find a matching VLAN ID entry that was
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5775
			 * enabled.  Search for a free filter entry, i.e.
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5776
			 * one without the enable bit set
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5777
			 */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5778
			for (i = 0; i < E1000_VLVF_ARRAY_SIZE; i++) {
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5779
				reg = rd32(E1000_VLVF(i));
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5780
				if (!(reg & E1000_VLVF_VLANID_ENABLE))
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5781
					break;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5782
			}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5783
		}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5784
		if (i < E1000_VLVF_ARRAY_SIZE) {
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5785
			/* Found an enabled/available entry */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5786
			reg |= 1 << (E1000_VLVF_POOLSEL_SHIFT + vf);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5787
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5788
			/* if !enabled we need to set this up in vfta */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5789
			if (!(reg & E1000_VLVF_VLANID_ENABLE)) {
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5790
				/* add VID to filter table */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5791
				igb_vfta_set(hw, vid, true);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5792
				reg |= E1000_VLVF_VLANID_ENABLE;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5793
			}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5794
			reg &= ~E1000_VLVF_VLANID_MASK;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5795
			reg |= vid;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5796
			wr32(E1000_VLVF(i), reg);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5797
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5798
			/* do not modify RLPML for PF devices */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5799
			if (vf >= adapter->vfs_allocated_count)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5800
				return 0;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5801
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5802
			if (!adapter->vf_data[vf].vlans_enabled) {
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5803
				u32 size;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5804
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5805
				reg = rd32(E1000_VMOLR(vf));
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5806
				size = reg & E1000_VMOLR_RLPML_MASK;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5807
				size += 4;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5808
				reg &= ~E1000_VMOLR_RLPML_MASK;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5809
				reg |= size;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5810
				wr32(E1000_VMOLR(vf), reg);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5811
			}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5812
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5813
			adapter->vf_data[vf].vlans_enabled++;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5814
		}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5815
	} else {
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5816
		if (i < E1000_VLVF_ARRAY_SIZE) {
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5817
			/* remove vf from the pool */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5818
			reg &= ~(1 << (E1000_VLVF_POOLSEL_SHIFT + vf));
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5819
			/* if pool is empty then remove entry from vfta */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5820
			if (!(reg & E1000_VLVF_POOLSEL_MASK)) {
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5821
				reg = 0;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5822
				igb_vfta_set(hw, vid, false);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5823
			}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5824
			wr32(E1000_VLVF(i), reg);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5825
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5826
			/* do not modify RLPML for PF devices */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5827
			if (vf >= adapter->vfs_allocated_count)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5828
				return 0;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5829
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5830
			adapter->vf_data[vf].vlans_enabled--;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5831
			if (!adapter->vf_data[vf].vlans_enabled) {
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5832
				u32 size;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5833
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5834
				reg = rd32(E1000_VMOLR(vf));
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5835
				size = reg & E1000_VMOLR_RLPML_MASK;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5836
				size -= 4;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5837
				reg &= ~E1000_VMOLR_RLPML_MASK;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5838
				reg |= size;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5839
				wr32(E1000_VMOLR(vf), reg);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5840
			}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5841
		}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5842
	}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5843
	return 0;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5844
}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5845
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5846
static void igb_set_vmvir(struct igb_adapter *adapter, u32 vid, u32 vf)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5847
{
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5848
	struct e1000_hw *hw = &adapter->hw;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5849
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5850
	if (vid)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5851
		wr32(E1000_VMVIR(vf), (vid | E1000_VMVIR_VLANA_DEFAULT));
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5852
	else
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5853
		wr32(E1000_VMVIR(vf), 0);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5854
}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5855
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5856
static int igb_ndo_set_vf_vlan(struct net_device *netdev,
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5857
			       int vf, u16 vlan, u8 qos)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5858
{
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5859
	int err = 0;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5860
	struct igb_adapter *adapter = netdev_priv(netdev);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5861
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5862
	if ((vf >= adapter->vfs_allocated_count) || (vlan > 4095) || (qos > 7))
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5863
		return -EINVAL;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5864
	if (vlan || qos) {
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5865
		err = igb_vlvf_set(adapter, vlan, !!vlan, vf);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5866
		if (err)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5867
			goto out;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5868
		igb_set_vmvir(adapter, vlan | (qos << VLAN_PRIO_SHIFT), vf);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5869
		igb_set_vmolr(adapter, vf, !vlan);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5870
		adapter->vf_data[vf].pf_vlan = vlan;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5871
		adapter->vf_data[vf].pf_qos = qos;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5872
		dev_info(&adapter->pdev->dev,
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5873
			 "Setting VLAN %d, QOS 0x%x on VF %d\n", vlan, qos, vf);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5874
		if (test_bit(__IGB_DOWN, &adapter->state)) {
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5875
			dev_warn(&adapter->pdev->dev,
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5876
				 "The VF VLAN has been set, but the PF device is not up.\n");
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5877
			dev_warn(&adapter->pdev->dev,
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5878
				 "Bring the PF device up before attempting to use the VF device.\n");
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5879
		}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5880
	} else {
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5881
		igb_vlvf_set(adapter, adapter->vf_data[vf].pf_vlan,
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5882
			     false, vf);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5883
		igb_set_vmvir(adapter, vlan, vf);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5884
		igb_set_vmolr(adapter, vf, true);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5885
		adapter->vf_data[vf].pf_vlan = 0;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5886
		adapter->vf_data[vf].pf_qos = 0;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5887
	}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5888
out:
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5889
	return err;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5890
}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5891
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5892
static int igb_find_vlvf_entry(struct igb_adapter *adapter, int vid)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5893
{
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5894
	struct e1000_hw *hw = &adapter->hw;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5895
	int i;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5896
	u32 reg;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5897
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5898
	/* Find the vlan filter for this id */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5899
	for (i = 0; i < E1000_VLVF_ARRAY_SIZE; i++) {
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5900
		reg = rd32(E1000_VLVF(i));
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5901
		if ((reg & E1000_VLVF_VLANID_ENABLE) &&
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5902
		    vid == (reg & E1000_VLVF_VLANID_MASK))
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5903
			break;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5904
	}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5905
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5906
	if (i >= E1000_VLVF_ARRAY_SIZE)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5907
		i = -1;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5908
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5909
	return i;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5910
}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5911
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5912
static int igb_set_vf_vlan(struct igb_adapter *adapter, u32 *msgbuf, u32 vf)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5913
{
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5914
	struct e1000_hw *hw = &adapter->hw;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5915
	int add = (msgbuf[0] & E1000_VT_MSGINFO_MASK) >> E1000_VT_MSGINFO_SHIFT;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5916
	int vid = (msgbuf[1] & E1000_VLVF_VLANID_MASK);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5917
	int err = 0;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5918
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5919
	/* If in promiscuous mode we need to make sure the PF also has
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5920
	 * the VLAN filter set.
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5921
	 */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5922
	if (add && (adapter->netdev->flags & IFF_PROMISC))
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5923
		err = igb_vlvf_set(adapter, vid, add,
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5924
				   adapter->vfs_allocated_count);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5925
	if (err)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5926
		goto out;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5927
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5928
	err = igb_vlvf_set(adapter, vid, add, vf);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5929
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5930
	if (err)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5931
		goto out;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5932
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5933
	/* Go through all the checks to see if the VLAN filter should
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5934
	 * be wiped completely.
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5935
	 */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5936
	if (!add && (adapter->netdev->flags & IFF_PROMISC)) {
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5937
		u32 vlvf, bits;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5938
		int regndx = igb_find_vlvf_entry(adapter, vid);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5939
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5940
		if (regndx < 0)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5941
			goto out;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5942
		/* See if any other pools are set for this VLAN filter
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5943
		 * entry other than the PF.
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5944
		 */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5945
		vlvf = bits = rd32(E1000_VLVF(regndx));
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5946
		bits &= 1 << (E1000_VLVF_POOLSEL_SHIFT +
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5947
			      adapter->vfs_allocated_count);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5948
		/* If the filter was removed then ensure PF pool bit
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5949
		 * is cleared if the PF only added itself to the pool
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5950
		 * because the PF is in promiscuous mode.
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5951
		 */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5952
		if ((vlvf & VLAN_VID_MASK) == vid &&
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5953
		    !test_bit(vid, adapter->active_vlans) &&
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5954
		    !bits)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5955
			igb_vlvf_set(adapter, vid, add,
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5956
				     adapter->vfs_allocated_count);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5957
	}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5958
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5959
out:
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5960
	return err;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5961
}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5962
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5963
static inline void igb_vf_reset(struct igb_adapter *adapter, u32 vf)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5964
{
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5965
	/* clear flags - except flag that indicates PF has set the MAC */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5966
	adapter->vf_data[vf].flags &= IGB_VF_FLAG_PF_SET_MAC;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5967
	adapter->vf_data[vf].last_nack = jiffies;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5968
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5969
	/* reset offloads to defaults */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5970
	igb_set_vmolr(adapter, vf, true);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5971
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5972
	/* reset vlans for device */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5973
	igb_clear_vf_vfta(adapter, vf);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5974
	if (adapter->vf_data[vf].pf_vlan)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5975
		igb_ndo_set_vf_vlan(adapter->netdev, vf,
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5976
				    adapter->vf_data[vf].pf_vlan,
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5977
				    adapter->vf_data[vf].pf_qos);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5978
	else
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5979
		igb_clear_vf_vfta(adapter, vf);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5980
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5981
	/* reset multicast table array for vf */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5982
	adapter->vf_data[vf].num_vf_mc_hashes = 0;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5983
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5984
	/* Flush and reset the mta with the new values */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5985
	igb_set_rx_mode(adapter->netdev);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5986
}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5987
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5988
static void igb_vf_reset_event(struct igb_adapter *adapter, u32 vf)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5989
{
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5990
	unsigned char *vf_mac = adapter->vf_data[vf].vf_mac_addresses;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5991
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5992
	/* clear mac address as we were hotplug removed/added */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5993
	if (!(adapter->vf_data[vf].flags & IGB_VF_FLAG_PF_SET_MAC))
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5994
		eth_zero_addr(vf_mac);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5995
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5996
	/* process remaining reset events */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5997
	igb_vf_reset(adapter, vf);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5998
}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  5999
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6000
static void igb_vf_reset_msg(struct igb_adapter *adapter, u32 vf)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6001
{
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6002
	struct e1000_hw *hw = &adapter->hw;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6003
	unsigned char *vf_mac = adapter->vf_data[vf].vf_mac_addresses;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6004
	int rar_entry = hw->mac.rar_entry_count - (vf + 1);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6005
	u32 reg, msgbuf[3];
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6006
	u8 *addr = (u8 *)(&msgbuf[1]);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6007
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6008
	/* process all the same items cleared in a function level reset */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6009
	igb_vf_reset(adapter, vf);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6010
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6011
	/* set vf mac address */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6012
	igb_rar_set_qsel(adapter, vf_mac, rar_entry, vf);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6013
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6014
	/* enable transmit and receive for vf */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6015
	reg = rd32(E1000_VFTE);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6016
	wr32(E1000_VFTE, reg | (1 << vf));
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6017
	reg = rd32(E1000_VFRE);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6018
	wr32(E1000_VFRE, reg | (1 << vf));
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6019
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6020
	adapter->vf_data[vf].flags |= IGB_VF_FLAG_CTS;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6021
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6022
	/* reply to reset with ack and vf mac address */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6023
	msgbuf[0] = E1000_VF_RESET | E1000_VT_MSGTYPE_ACK;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6024
	memcpy(addr, vf_mac, ETH_ALEN);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6025
	igb_write_mbx(hw, msgbuf, 3, vf);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6026
}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6027
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6028
static int igb_set_vf_mac_addr(struct igb_adapter *adapter, u32 *msg, int vf)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6029
{
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6030
	/* The VF MAC Address is stored in a packed array of bytes
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6031
	 * starting at the second 32 bit word of the msg array
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6032
	 */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6033
	unsigned char *addr = (char *)&msg[1];
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6034
	int err = -1;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6035
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6036
	if (is_valid_ether_addr(addr))
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6037
		err = igb_set_vf_mac(adapter, vf, addr);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6038
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6039
	return err;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6040
}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6041
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6042
static void igb_rcv_ack_from_vf(struct igb_adapter *adapter, u32 vf)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6043
{
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6044
	struct e1000_hw *hw = &adapter->hw;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6045
	struct vf_data_storage *vf_data = &adapter->vf_data[vf];
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6046
	u32 msg = E1000_VT_MSGTYPE_NACK;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6047
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6048
	/* if device isn't clear to send it shouldn't be reading either */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6049
	if (!(vf_data->flags & IGB_VF_FLAG_CTS) &&
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6050
	    time_after(jiffies, vf_data->last_nack + (2 * HZ))) {
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6051
		igb_write_mbx(hw, &msg, 1, vf);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6052
		vf_data->last_nack = jiffies;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6053
	}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6054
}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6055
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6056
static void igb_rcv_msg_from_vf(struct igb_adapter *adapter, u32 vf)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6057
{
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6058
	struct pci_dev *pdev = adapter->pdev;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6059
	u32 msgbuf[E1000_VFMAILBOX_SIZE];
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6060
	struct e1000_hw *hw = &adapter->hw;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6061
	struct vf_data_storage *vf_data = &adapter->vf_data[vf];
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6062
	s32 retval;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6063
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6064
	retval = igb_read_mbx(hw, msgbuf, E1000_VFMAILBOX_SIZE, vf);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6065
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6066
	if (retval) {
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6067
		/* if receive failed revoke VF CTS stats and restart init */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6068
		dev_err(&pdev->dev, "Error receiving message from VF\n");
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6069
		vf_data->flags &= ~IGB_VF_FLAG_CTS;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6070
		if (!time_after(jiffies, vf_data->last_nack + (2 * HZ)))
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6071
			return;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6072
		goto out;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6073
	}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6074
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6075
	/* this is a message we already processed, do nothing */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6076
	if (msgbuf[0] & (E1000_VT_MSGTYPE_ACK | E1000_VT_MSGTYPE_NACK))
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6077
		return;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6078
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6079
	/* until the vf completes a reset it should not be
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6080
	 * allowed to start any configuration.
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6081
	 */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6082
	if (msgbuf[0] == E1000_VF_RESET) {
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6083
		igb_vf_reset_msg(adapter, vf);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6084
		return;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6085
	}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6086
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6087
	if (!(vf_data->flags & IGB_VF_FLAG_CTS)) {
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6088
		if (!time_after(jiffies, vf_data->last_nack + (2 * HZ)))
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6089
			return;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6090
		retval = -1;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6091
		goto out;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6092
	}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6093
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6094
	switch ((msgbuf[0] & 0xFFFF)) {
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6095
	case E1000_VF_SET_MAC_ADDR:
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6096
		retval = -EINVAL;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6097
		if (!(vf_data->flags & IGB_VF_FLAG_PF_SET_MAC))
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6098
			retval = igb_set_vf_mac_addr(adapter, msgbuf, vf);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6099
		else
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6100
			dev_warn(&pdev->dev,
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6101
				 "VF %d attempted to override administratively set MAC address\nReload the VF driver to resume operations\n",
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6102
				 vf);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6103
		break;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6104
	case E1000_VF_SET_PROMISC:
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6105
		retval = igb_set_vf_promisc(adapter, msgbuf, vf);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6106
		break;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6107
	case E1000_VF_SET_MULTICAST:
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6108
		retval = igb_set_vf_multicasts(adapter, msgbuf, vf);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6109
		break;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6110
	case E1000_VF_SET_LPE:
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6111
		retval = igb_set_vf_rlpml(adapter, msgbuf[1], vf);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6112
		break;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6113
	case E1000_VF_SET_VLAN:
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6114
		retval = -1;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6115
		if (vf_data->pf_vlan)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6116
			dev_warn(&pdev->dev,
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6117
				 "VF %d attempted to override administratively set VLAN tag\nReload the VF driver to resume operations\n",
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6118
				 vf);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6119
		else
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6120
			retval = igb_set_vf_vlan(adapter, msgbuf, vf);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6121
		break;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6122
	default:
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6123
		dev_err(&pdev->dev, "Unhandled Msg %08x\n", msgbuf[0]);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6124
		retval = -1;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6125
		break;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6126
	}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6127
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6128
	msgbuf[0] |= E1000_VT_MSGTYPE_CTS;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6129
out:
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6130
	/* notify the VF of the results of what it sent us */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6131
	if (retval)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6132
		msgbuf[0] |= E1000_VT_MSGTYPE_NACK;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6133
	else
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6134
		msgbuf[0] |= E1000_VT_MSGTYPE_ACK;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6135
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6136
	igb_write_mbx(hw, msgbuf, 1, vf);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6137
}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6138
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6139
static void igb_msg_task(struct igb_adapter *adapter)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6140
{
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6141
	struct e1000_hw *hw = &adapter->hw;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6142
	u32 vf;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6143
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6144
	for (vf = 0; vf < adapter->vfs_allocated_count; vf++) {
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6145
		/* process any reset requests */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6146
		if (!igb_check_for_rst(hw, vf))
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6147
			igb_vf_reset_event(adapter, vf);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6148
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6149
		/* process any messages pending */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6150
		if (!igb_check_for_msg(hw, vf))
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6151
			igb_rcv_msg_from_vf(adapter, vf);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6152
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6153
		/* process any acks */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6154
		if (!igb_check_for_ack(hw, vf))
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6155
			igb_rcv_ack_from_vf(adapter, vf);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6156
	}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6157
}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6158
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6159
/**
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6160
 *  igb_set_uta - Set unicast filter table address
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6161
 *  @adapter: board private structure
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6162
 *
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6163
 *  The unicast table address is a register array of 32-bit registers.
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6164
 *  The table is meant to be used in a way similar to how the MTA is used
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6165
 *  however due to certain limitations in the hardware it is necessary to
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6166
 *  set all the hash bits to 1 and use the VMOLR ROPE bit as a promiscuous
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6167
 *  enable bit to allow vlan tag stripping when promiscuous mode is enabled
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6168
 **/
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6169
static void igb_set_uta(struct igb_adapter *adapter)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6170
{
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6171
	struct e1000_hw *hw = &adapter->hw;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6172
	int i;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6173
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6174
	/* The UTA table only exists on 82576 hardware and newer */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6175
	if (hw->mac.type < e1000_82576)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6176
		return;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6177
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6178
	/* we only need to do this if VMDq is enabled */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6179
	if (!adapter->vfs_allocated_count)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6180
		return;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6181
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6182
	for (i = 0; i < hw->mac.uta_reg_count; i++)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6183
		array_wr32(E1000_UTA, i, ~0);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6184
}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6185
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6186
/**
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6187
 *  igb_intr_msi - Interrupt Handler
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6188
 *  @irq: interrupt number
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6189
 *  @data: pointer to a network interface device structure
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6190
 **/
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6191
static irqreturn_t igb_intr_msi(int irq, void *data)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6192
{
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6193
	struct igb_adapter *adapter = data;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6194
	struct igb_q_vector *q_vector = adapter->q_vector[0];
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6195
	struct e1000_hw *hw = &adapter->hw;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6196
	/* read ICR disables interrupts using IAM */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6197
	u32 icr = rd32(E1000_ICR);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6198
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6199
	igb_write_itr(q_vector);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6200
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6201
	if (icr & E1000_ICR_DRSTA)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6202
		schedule_work(&adapter->reset_task);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6203
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6204
	if (icr & E1000_ICR_DOUTSYNC) {
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6205
		/* HW is reporting DMA is out of sync */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6206
		adapter->stats.doosync++;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6207
	}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6208
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6209
	if (icr & (E1000_ICR_RXSEQ | E1000_ICR_LSC)) {
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6210
		hw->mac.get_link_status = 1;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6211
		if (!test_bit(__IGB_DOWN, &adapter->state))
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6212
			mod_timer(&adapter->watchdog_timer, jiffies + 1);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6213
	}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6214
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6215
	if (icr & E1000_ICR_TS) {
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6216
		u32 tsicr = rd32(E1000_TSICR);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6217
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6218
		if (tsicr & E1000_TSICR_TXTS) {
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6219
			/* acknowledge the interrupt */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6220
			wr32(E1000_TSICR, E1000_TSICR_TXTS);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6221
			/* retrieve hardware timestamp */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6222
			schedule_work(&adapter->ptp_tx_work);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6223
		}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6224
	}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6225
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6226
	napi_schedule(&q_vector->napi);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6227
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6228
	return IRQ_HANDLED;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6229
}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6230
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6231
/**
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6232
 *  igb_intr - Legacy Interrupt Handler
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6233
 *  @irq: interrupt number
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6234
 *  @data: pointer to a network interface device structure
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6235
 **/
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6236
static irqreturn_t igb_intr(int irq, void *data)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6237
{
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6238
	struct igb_adapter *adapter = data;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6239
	struct igb_q_vector *q_vector = adapter->q_vector[0];
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6240
	struct e1000_hw *hw = &adapter->hw;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6241
	/* Interrupt Auto-Mask...upon reading ICR, interrupts are masked.  No
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6242
	 * need for the IMC write
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6243
	 */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6244
	u32 icr = rd32(E1000_ICR);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6245
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6246
	/* IMS will not auto-mask if INT_ASSERTED is not set, and if it is
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6247
	 * not set, then the adapter didn't send an interrupt
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6248
	 */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6249
	if (!(icr & E1000_ICR_INT_ASSERTED))
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6250
		return IRQ_NONE;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6251
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6252
	igb_write_itr(q_vector);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6253
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6254
	if (icr & E1000_ICR_DRSTA)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6255
		schedule_work(&adapter->reset_task);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6256
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6257
	if (icr & E1000_ICR_DOUTSYNC) {
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6258
		/* HW is reporting DMA is out of sync */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6259
		adapter->stats.doosync++;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6260
	}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6261
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6262
	if (icr & (E1000_ICR_RXSEQ | E1000_ICR_LSC)) {
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6263
		hw->mac.get_link_status = 1;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6264
		/* guard against interrupt when we're going down */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6265
		if (!test_bit(__IGB_DOWN, &adapter->state))
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6266
			mod_timer(&adapter->watchdog_timer, jiffies + 1);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6267
	}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6268
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6269
	if (icr & E1000_ICR_TS) {
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6270
		u32 tsicr = rd32(E1000_TSICR);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6271
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6272
		if (tsicr & E1000_TSICR_TXTS) {
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6273
			/* acknowledge the interrupt */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6274
			wr32(E1000_TSICR, E1000_TSICR_TXTS);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6275
			/* retrieve hardware timestamp */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6276
			schedule_work(&adapter->ptp_tx_work);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6277
		}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6278
	}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6279
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6280
	napi_schedule(&q_vector->napi);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6281
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6282
	return IRQ_HANDLED;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6283
}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6284
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6285
static void igb_ring_irq_enable(struct igb_q_vector *q_vector)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6286
{
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6287
	struct igb_adapter *adapter = q_vector->adapter;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6288
	struct e1000_hw *hw = &adapter->hw;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6289
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6290
	if ((q_vector->rx.ring && (adapter->rx_itr_setting & 3)) ||
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6291
	    (!q_vector->rx.ring && (adapter->tx_itr_setting & 3))) {
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6292
		if ((adapter->num_q_vectors == 1) && !adapter->vf_data)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6293
			igb_set_itr(q_vector);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6294
		else
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6295
			igb_update_ring_itr(q_vector);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6296
	}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6297
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6298
	if (!test_bit(__IGB_DOWN, &adapter->state)) {
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6299
		if (adapter->flags & IGB_FLAG_HAS_MSIX)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6300
			wr32(E1000_EIMS, q_vector->eims_value);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6301
		else
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6302
			igb_irq_enable(adapter);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6303
	}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6304
}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6305
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6306
/**
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6307
 *  igb_poll - NAPI Rx polling callback
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6308
 *  @napi: napi polling structure
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6309
 *  @budget: count of how many packets we should handle
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6310
 **/
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6311
static int igb_poll(struct napi_struct *napi, int budget)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6312
{
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6313
	struct igb_q_vector *q_vector = container_of(napi,
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6314
						     struct igb_q_vector,
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6315
						     napi);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6316
	bool clean_complete = true;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6317
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6318
#ifdef CONFIG_IGB_DCA
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6319
	if (q_vector->adapter->flags & IGB_FLAG_DCA_ENABLED)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6320
		igb_update_dca(q_vector);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6321
#endif
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6322
	if (q_vector->tx.ring)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6323
		clean_complete = igb_clean_tx_irq(q_vector);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6324
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6325
	if (q_vector->rx.ring)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6326
		clean_complete &= igb_clean_rx_irq(q_vector, budget);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6327
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6328
	/* If all work not completed, return budget and keep polling */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6329
	if (!clean_complete)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6330
		return budget;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6331
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6332
	/* If not enough Rx work done, exit the polling mode */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6333
	napi_complete(napi);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6334
	igb_ring_irq_enable(q_vector);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6335
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6336
	return 0;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6337
}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6338
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6339
/**
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6340
 *  igb_clean_tx_irq - Reclaim resources after transmit completes
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6341
 *  @q_vector: pointer to q_vector containing needed info
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6342
 *
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6343
 *  returns true if ring is completely cleaned
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6344
 **/
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6345
static bool igb_clean_tx_irq(struct igb_q_vector *q_vector)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6346
{
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6347
	struct igb_adapter *adapter = q_vector->adapter;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6348
	struct igb_ring *tx_ring = q_vector->tx.ring;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6349
	struct igb_tx_buffer *tx_buffer;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6350
	union e1000_adv_tx_desc *tx_desc;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6351
	unsigned int total_bytes = 0, total_packets = 0;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6352
	unsigned int budget = q_vector->tx.work_limit;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6353
	unsigned int i = tx_ring->next_to_clean;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6354
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6355
	if (test_bit(__IGB_DOWN, &adapter->state))
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6356
		return true;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6357
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6358
	tx_buffer = &tx_ring->tx_buffer_info[i];
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6359
	tx_desc = IGB_TX_DESC(tx_ring, i);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6360
	i -= tx_ring->count;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6361
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6362
	do {
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6363
		union e1000_adv_tx_desc *eop_desc = tx_buffer->next_to_watch;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6364
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6365
		/* if next_to_watch is not set then there is no work pending */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6366
		if (!eop_desc)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6367
			break;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6368
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6369
		/* prevent any other reads prior to eop_desc */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6370
		read_barrier_depends();
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6371
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6372
		/* if DD is not set pending work has not been completed */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6373
		if (!(eop_desc->wb.status & cpu_to_le32(E1000_TXD_STAT_DD)))
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6374
			break;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6375
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6376
		/* clear next_to_watch to prevent false hangs */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6377
		tx_buffer->next_to_watch = NULL;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6378
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6379
		/* update the statistics for this packet */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6380
		total_bytes += tx_buffer->bytecount;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6381
		total_packets += tx_buffer->gso_segs;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6382
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6383
		/* free the skb */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6384
		dev_consume_skb_any(tx_buffer->skb);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6385
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6386
		/* unmap skb header data */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6387
		dma_unmap_single(tx_ring->dev,
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6388
				 dma_unmap_addr(tx_buffer, dma),
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6389
				 dma_unmap_len(tx_buffer, len),
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6390
				 DMA_TO_DEVICE);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6391
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6392
		/* clear tx_buffer data */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6393
		tx_buffer->skb = NULL;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6394
		dma_unmap_len_set(tx_buffer, len, 0);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6395
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6396
		/* clear last DMA location and unmap remaining buffers */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6397
		while (tx_desc != eop_desc) {
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6398
			tx_buffer++;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6399
			tx_desc++;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6400
			i++;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6401
			if (unlikely(!i)) {
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6402
				i -= tx_ring->count;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6403
				tx_buffer = tx_ring->tx_buffer_info;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6404
				tx_desc = IGB_TX_DESC(tx_ring, 0);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6405
			}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6406
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6407
			/* unmap any remaining paged data */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6408
			if (dma_unmap_len(tx_buffer, len)) {
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6409
				dma_unmap_page(tx_ring->dev,
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6410
					       dma_unmap_addr(tx_buffer, dma),
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6411
					       dma_unmap_len(tx_buffer, len),
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6412
					       DMA_TO_DEVICE);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6413
				dma_unmap_len_set(tx_buffer, len, 0);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6414
			}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6415
		}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6416
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6417
		/* move us one more past the eop_desc for start of next pkt */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6418
		tx_buffer++;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6419
		tx_desc++;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6420
		i++;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6421
		if (unlikely(!i)) {
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6422
			i -= tx_ring->count;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6423
			tx_buffer = tx_ring->tx_buffer_info;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6424
			tx_desc = IGB_TX_DESC(tx_ring, 0);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6425
		}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6426
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6427
		/* issue prefetch for next Tx descriptor */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6428
		prefetch(tx_desc);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6429
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6430
		/* update budget accounting */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6431
		budget--;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6432
	} while (likely(budget));
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6433
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6434
	netdev_tx_completed_queue(txring_txq(tx_ring),
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6435
				  total_packets, total_bytes);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6436
	i += tx_ring->count;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6437
	tx_ring->next_to_clean = i;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6438
	u64_stats_update_begin(&tx_ring->tx_syncp);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6439
	tx_ring->tx_stats.bytes += total_bytes;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6440
	tx_ring->tx_stats.packets += total_packets;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6441
	u64_stats_update_end(&tx_ring->tx_syncp);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6442
	q_vector->tx.total_bytes += total_bytes;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6443
	q_vector->tx.total_packets += total_packets;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6444
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6445
	if (test_bit(IGB_RING_FLAG_TX_DETECT_HANG, &tx_ring->flags)) {
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6446
		struct e1000_hw *hw = &adapter->hw;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6447
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6448
		/* Detect a transmit hang in hardware, this serializes the
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6449
		 * check with the clearing of time_stamp and movement of i
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6450
		 */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6451
		clear_bit(IGB_RING_FLAG_TX_DETECT_HANG, &tx_ring->flags);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6452
		if (tx_buffer->next_to_watch &&
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6453
		    time_after(jiffies, tx_buffer->time_stamp +
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6454
			       (adapter->tx_timeout_factor * HZ)) &&
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6455
		    !(rd32(E1000_STATUS) & E1000_STATUS_TXOFF)) {
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6456
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6457
			/* detected Tx unit hang */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6458
			dev_err(tx_ring->dev,
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6459
				"Detected Tx Unit Hang\n"
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6460
				"  Tx Queue             <%d>\n"
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6461
				"  TDH                  <%x>\n"
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6462
				"  TDT                  <%x>\n"
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6463
				"  next_to_use          <%x>\n"
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6464
				"  next_to_clean        <%x>\n"
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6465
				"buffer_info[next_to_clean]\n"
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6466
				"  time_stamp           <%lx>\n"
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6467
				"  next_to_watch        <%p>\n"
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6468
				"  jiffies              <%lx>\n"
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6469
				"  desc.status          <%x>\n",
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6470
				tx_ring->queue_index,
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6471
				rd32(E1000_TDH(tx_ring->reg_idx)),
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6472
				readl(tx_ring->tail),
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6473
				tx_ring->next_to_use,
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6474
				tx_ring->next_to_clean,
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6475
				tx_buffer->time_stamp,
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6476
				tx_buffer->next_to_watch,
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6477
				jiffies,
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6478
				tx_buffer->next_to_watch->wb.status);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6479
			netif_stop_subqueue(tx_ring->netdev,
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6480
					    tx_ring->queue_index);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6481
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6482
			/* we are about to reset, no point in enabling stuff */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6483
			return true;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6484
		}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6485
	}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6486
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6487
#define TX_WAKE_THRESHOLD (DESC_NEEDED * 2)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6488
	if (unlikely(total_packets &&
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6489
	    netif_carrier_ok(tx_ring->netdev) &&
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6490
	    igb_desc_unused(tx_ring) >= TX_WAKE_THRESHOLD)) {
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6491
		/* Make sure that anybody stopping the queue after this
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6492
		 * sees the new next_to_clean.
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6493
		 */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6494
		smp_mb();
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6495
		if (__netif_subqueue_stopped(tx_ring->netdev,
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6496
					     tx_ring->queue_index) &&
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6497
		    !(test_bit(__IGB_DOWN, &adapter->state))) {
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6498
			netif_wake_subqueue(tx_ring->netdev,
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6499
					    tx_ring->queue_index);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6500
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6501
			u64_stats_update_begin(&tx_ring->tx_syncp);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6502
			tx_ring->tx_stats.restart_queue++;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6503
			u64_stats_update_end(&tx_ring->tx_syncp);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6504
		}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6505
	}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6506
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6507
	return !!budget;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6508
}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6509
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6510
/**
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6511
 *  igb_reuse_rx_page - page flip buffer and store it back on the ring
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6512
 *  @rx_ring: rx descriptor ring to store buffers on
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6513
 *  @old_buff: donor buffer to have page reused
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6514
 *
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6515
 *  Synchronizes page for reuse by the adapter
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6516
 **/
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6517
static void igb_reuse_rx_page(struct igb_ring *rx_ring,
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6518
			      struct igb_rx_buffer *old_buff)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6519
{
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6520
	struct igb_rx_buffer *new_buff;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6521
	u16 nta = rx_ring->next_to_alloc;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6522
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6523
	new_buff = &rx_ring->rx_buffer_info[nta];
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6524
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6525
	/* update, and store next to alloc */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6526
	nta++;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6527
	rx_ring->next_to_alloc = (nta < rx_ring->count) ? nta : 0;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6528
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6529
	/* transfer page from old buffer to new buffer */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6530
	*new_buff = *old_buff;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6531
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6532
	/* sync the buffer for use by the device */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6533
	dma_sync_single_range_for_device(rx_ring->dev, old_buff->dma,
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6534
					 old_buff->page_offset,
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6535
					 IGB_RX_BUFSZ,
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6536
					 DMA_FROM_DEVICE);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6537
}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6538
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6539
static bool igb_can_reuse_rx_page(struct igb_rx_buffer *rx_buffer,
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6540
				  struct page *page,
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6541
				  unsigned int truesize)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6542
{
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6543
	/* avoid re-using remote pages */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6544
	if (unlikely(page_to_nid(page) != numa_node_id()))
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6545
		return false;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6546
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6547
	if (unlikely(page->pfmemalloc))
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6548
		return false;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6549
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6550
#if (PAGE_SIZE < 8192)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6551
	/* if we are only owner of page we can reuse it */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6552
	if (unlikely(page_count(page) != 1))
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6553
		return false;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6554
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6555
	/* flip page offset to other buffer */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6556
	rx_buffer->page_offset ^= IGB_RX_BUFSZ;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6557
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6558
	/* Even if we own the page, we are not allowed to use atomic_set()
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6559
	 * This would break get_page_unless_zero() users.
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6560
	 */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6561
	atomic_inc(&page->_count);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6562
#else
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6563
	/* move offset up to the next cache line */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6564
	rx_buffer->page_offset += truesize;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6565
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6566
	if (rx_buffer->page_offset > (PAGE_SIZE - IGB_RX_BUFSZ))
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6567
		return false;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6568
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6569
	/* bump ref count on page before it is given to the stack */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6570
	get_page(page);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6571
#endif
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6572
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6573
	return true;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6574
}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6575
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6576
/**
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6577
 *  igb_add_rx_frag - Add contents of Rx buffer to sk_buff
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6578
 *  @rx_ring: rx descriptor ring to transact packets on
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6579
 *  @rx_buffer: buffer containing page to add
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6580
 *  @rx_desc: descriptor containing length of buffer written by hardware
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6581
 *  @skb: sk_buff to place the data into
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6582
 *
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6583
 *  This function will add the data contained in rx_buffer->page to the skb.
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6584
 *  This is done either through a direct copy if the data in the buffer is
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6585
 *  less than the skb header size, otherwise it will just attach the page as
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6586
 *  a frag to the skb.
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6587
 *
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6588
 *  The function will then update the page offset if necessary and return
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6589
 *  true if the buffer can be reused by the adapter.
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6590
 **/
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6591
static bool igb_add_rx_frag(struct igb_ring *rx_ring,
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6592
			    struct igb_rx_buffer *rx_buffer,
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6593
			    union e1000_adv_rx_desc *rx_desc,
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6594
			    struct sk_buff *skb)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6595
{
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6596
	struct page *page = rx_buffer->page;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6597
	unsigned int size = le16_to_cpu(rx_desc->wb.upper.length);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6598
#if (PAGE_SIZE < 8192)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6599
	unsigned int truesize = IGB_RX_BUFSZ;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6600
#else
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6601
	unsigned int truesize = ALIGN(size, L1_CACHE_BYTES);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6602
#endif
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6603
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6604
	if ((size <= IGB_RX_HDR_LEN) && !skb_is_nonlinear(skb)) {
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6605
		unsigned char *va = page_address(page) + rx_buffer->page_offset;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6606
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6607
		if (igb_test_staterr(rx_desc, E1000_RXDADV_STAT_TSIP)) {
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6608
			igb_ptp_rx_pktstamp(rx_ring->q_vector, va, skb);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6609
			va += IGB_TS_HDR_LEN;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6610
			size -= IGB_TS_HDR_LEN;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6611
		}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6612
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6613
		memcpy(__skb_put(skb, size), va, ALIGN(size, sizeof(long)));
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6614
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6615
		/* we can reuse buffer as-is, just make sure it is local */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6616
		if (likely((page_to_nid(page) == numa_node_id()) &&
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6617
			   !page->pfmemalloc))
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6618
			return true;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6619
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6620
		/* this page cannot be reused so discard it */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6621
		put_page(page);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6622
		return false;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6623
	}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6624
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6625
	skb_add_rx_frag(skb, skb_shinfo(skb)->nr_frags, page,
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6626
			rx_buffer->page_offset, size, truesize);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6627
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6628
	return igb_can_reuse_rx_page(rx_buffer, page, truesize);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6629
}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6630
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6631
static struct sk_buff *igb_fetch_rx_buffer(struct igb_ring *rx_ring,
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6632
					   union e1000_adv_rx_desc *rx_desc,
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6633
					   struct sk_buff *skb)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6634
{
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6635
	struct igb_rx_buffer *rx_buffer;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6636
	struct page *page;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6637
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6638
	rx_buffer = &rx_ring->rx_buffer_info[rx_ring->next_to_clean];
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6639
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6640
	page = rx_buffer->page;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6641
	prefetchw(page);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6642
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6643
	if (likely(!skb)) {
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6644
		void *page_addr = page_address(page) +
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6645
				  rx_buffer->page_offset;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6646
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6647
		/* prefetch first cache line of first page */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6648
		prefetch(page_addr);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6649
#if L1_CACHE_BYTES < 128
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6650
		prefetch(page_addr + L1_CACHE_BYTES);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6651
#endif
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6652
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6653
		/* allocate a skb to store the frags */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6654
		skb = netdev_alloc_skb_ip_align(rx_ring->netdev,
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6655
						IGB_RX_HDR_LEN);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6656
		if (unlikely(!skb)) {
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6657
			rx_ring->rx_stats.alloc_failed++;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6658
			return NULL;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6659
		}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6660
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6661
		/* we will be copying header into skb->data in
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6662
		 * pskb_may_pull so it is in our interest to prefetch
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6663
		 * it now to avoid a possible cache miss
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6664
		 */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6665
		prefetchw(skb->data);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6666
	}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6667
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6668
	/* we are reusing so sync this buffer for CPU use */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6669
	dma_sync_single_range_for_cpu(rx_ring->dev,
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6670
				      rx_buffer->dma,
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6671
				      rx_buffer->page_offset,
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6672
				      IGB_RX_BUFSZ,
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6673
				      DMA_FROM_DEVICE);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6674
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6675
	/* pull page into skb */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6676
	if (igb_add_rx_frag(rx_ring, rx_buffer, rx_desc, skb)) {
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6677
		/* hand second half of page back to the ring */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6678
		igb_reuse_rx_page(rx_ring, rx_buffer);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6679
	} else {
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6680
		/* we are not reusing the buffer so unmap it */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6681
		dma_unmap_page(rx_ring->dev, rx_buffer->dma,
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6682
			       PAGE_SIZE, DMA_FROM_DEVICE);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6683
	}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6684
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6685
	/* clear contents of rx_buffer */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6686
	rx_buffer->page = NULL;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6687
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6688
	return skb;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6689
}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6690
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6691
static inline void igb_rx_checksum(struct igb_ring *ring,
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6692
				   union e1000_adv_rx_desc *rx_desc,
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6693
				   struct sk_buff *skb)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6694
{
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6695
	skb_checksum_none_assert(skb);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6696
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6697
	/* Ignore Checksum bit is set */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6698
	if (igb_test_staterr(rx_desc, E1000_RXD_STAT_IXSM))
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6699
		return;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6700
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6701
	/* Rx checksum disabled via ethtool */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6702
	if (!(ring->netdev->features & NETIF_F_RXCSUM))
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6703
		return;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6704
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6705
	/* TCP/UDP checksum error bit is set */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6706
	if (igb_test_staterr(rx_desc,
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6707
			     E1000_RXDEXT_STATERR_TCPE |
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6708
			     E1000_RXDEXT_STATERR_IPE)) {
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6709
		/* work around errata with sctp packets where the TCPE aka
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6710
		 * L4E bit is set incorrectly on 64 byte (60 byte w/o crc)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6711
		 * packets, (aka let the stack check the crc32c)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6712
		 */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6713
		if (!((skb->len == 60) &&
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6714
		      test_bit(IGB_RING_FLAG_RX_SCTP_CSUM, &ring->flags))) {
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6715
			u64_stats_update_begin(&ring->rx_syncp);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6716
			ring->rx_stats.csum_err++;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6717
			u64_stats_update_end(&ring->rx_syncp);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6718
		}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6719
		/* let the stack verify checksum errors */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6720
		return;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6721
	}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6722
	/* It must be a TCP or UDP packet with a valid checksum */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6723
	if (igb_test_staterr(rx_desc, E1000_RXD_STAT_TCPCS |
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6724
				      E1000_RXD_STAT_UDPCS))
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6725
		skb->ip_summed = CHECKSUM_UNNECESSARY;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6726
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6727
	dev_dbg(ring->dev, "cksum success: bits %08X\n",
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6728
		le32_to_cpu(rx_desc->wb.upper.status_error));
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6729
}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6730
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6731
static inline void igb_rx_hash(struct igb_ring *ring,
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6732
			       union e1000_adv_rx_desc *rx_desc,
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6733
			       struct sk_buff *skb)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6734
{
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6735
	if (ring->netdev->features & NETIF_F_RXHASH)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6736
		skb_set_hash(skb,
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6737
			     le32_to_cpu(rx_desc->wb.lower.hi_dword.rss),
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6738
			     PKT_HASH_TYPE_L3);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6739
}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6740
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6741
/**
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6742
 *  igb_is_non_eop - process handling of non-EOP buffers
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6743
 *  @rx_ring: Rx ring being processed
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6744
 *  @rx_desc: Rx descriptor for current buffer
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6745
 *  @skb: current socket buffer containing buffer in progress
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6746
 *
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6747
 *  This function updates next to clean.  If the buffer is an EOP buffer
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6748
 *  this function exits returning false, otherwise it will place the
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6749
 *  sk_buff in the next buffer to be chained and return true indicating
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6750
 *  that this is in fact a non-EOP buffer.
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6751
 **/
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6752
static bool igb_is_non_eop(struct igb_ring *rx_ring,
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6753
			   union e1000_adv_rx_desc *rx_desc)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6754
{
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6755
	u32 ntc = rx_ring->next_to_clean + 1;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6756
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6757
	/* fetch, update, and store next to clean */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6758
	ntc = (ntc < rx_ring->count) ? ntc : 0;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6759
	rx_ring->next_to_clean = ntc;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6760
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6761
	prefetch(IGB_RX_DESC(rx_ring, ntc));
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6762
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6763
	if (likely(igb_test_staterr(rx_desc, E1000_RXD_STAT_EOP)))
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6764
		return false;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6765
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6766
	return true;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6767
}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6768
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6769
/**
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6770
 *  igb_pull_tail - igb specific version of skb_pull_tail
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6771
 *  @rx_ring: rx descriptor ring packet is being transacted on
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6772
 *  @rx_desc: pointer to the EOP Rx descriptor
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6773
 *  @skb: pointer to current skb being adjusted
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6774
 *
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6775
 *  This function is an igb specific version of __pskb_pull_tail.  The
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6776
 *  main difference between this version and the original function is that
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6777
 *  this function can make several assumptions about the state of things
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6778
 *  that allow for significant optimizations versus the standard function.
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6779
 *  As a result we can do things like drop a frag and maintain an accurate
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6780
 *  truesize for the skb.
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6781
 */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6782
static void igb_pull_tail(struct igb_ring *rx_ring,
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6783
			  union e1000_adv_rx_desc *rx_desc,
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6784
			  struct sk_buff *skb)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6785
{
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6786
	struct skb_frag_struct *frag = &skb_shinfo(skb)->frags[0];
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6787
	unsigned char *va;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6788
	unsigned int pull_len;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6789
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6790
	/* it is valid to use page_address instead of kmap since we are
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6791
	 * working with pages allocated out of the lomem pool per
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6792
	 * alloc_page(GFP_ATOMIC)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6793
	 */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6794
	va = skb_frag_address(frag);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6795
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6796
	if (igb_test_staterr(rx_desc, E1000_RXDADV_STAT_TSIP)) {
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6797
		/* retrieve timestamp from buffer */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6798
		igb_ptp_rx_pktstamp(rx_ring->q_vector, va, skb);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6799
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6800
		/* update pointers to remove timestamp header */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6801
		skb_frag_size_sub(frag, IGB_TS_HDR_LEN);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6802
		frag->page_offset += IGB_TS_HDR_LEN;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6803
		skb->data_len -= IGB_TS_HDR_LEN;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6804
		skb->len -= IGB_TS_HDR_LEN;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6805
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6806
		/* move va to start of packet data */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6807
		va += IGB_TS_HDR_LEN;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6808
	}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6809
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6810
	/* we need the header to contain the greater of either ETH_HLEN or
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6811
	 * 60 bytes if the skb->len is less than 60 for skb_pad.
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6812
	 */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6813
	pull_len = eth_get_headlen(va, IGB_RX_HDR_LEN);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6814
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6815
	/* align pull length to size of long to optimize memcpy performance */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6816
	skb_copy_to_linear_data(skb, va, ALIGN(pull_len, sizeof(long)));
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6817
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6818
	/* update all of the pointers */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6819
	skb_frag_size_sub(frag, pull_len);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6820
	frag->page_offset += pull_len;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6821
	skb->data_len -= pull_len;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6822
	skb->tail += pull_len;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6823
}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6824
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6825
/**
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6826
 *  igb_cleanup_headers - Correct corrupted or empty headers
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6827
 *  @rx_ring: rx descriptor ring packet is being transacted on
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6828
 *  @rx_desc: pointer to the EOP Rx descriptor
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6829
 *  @skb: pointer to current skb being fixed
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6830
 *
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6831
 *  Address the case where we are pulling data in on pages only
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6832
 *  and as such no data is present in the skb header.
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6833
 *
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6834
 *  In addition if skb is not at least 60 bytes we need to pad it so that
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6835
 *  it is large enough to qualify as a valid Ethernet frame.
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6836
 *
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6837
 *  Returns true if an error was encountered and skb was freed.
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6838
 **/
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6839
static bool igb_cleanup_headers(struct igb_ring *rx_ring,
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6840
				union e1000_adv_rx_desc *rx_desc,
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6841
				struct sk_buff *skb)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6842
{
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6843
	if (unlikely((igb_test_staterr(rx_desc,
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6844
				       E1000_RXDEXT_ERR_FRAME_ERR_MASK)))) {
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6845
		struct net_device *netdev = rx_ring->netdev;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6846
		if (!(netdev->features & NETIF_F_RXALL)) {
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6847
			dev_kfree_skb_any(skb);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6848
			return true;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6849
		}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6850
	}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6851
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6852
	/* place header in linear portion of buffer */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6853
	if (skb_is_nonlinear(skb))
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6854
		igb_pull_tail(rx_ring, rx_desc, skb);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6855
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6856
	/* if skb_pad returns an error the skb was freed */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6857
	if (unlikely(skb->len < 60)) {
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6858
		int pad_len = 60 - skb->len;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6859
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6860
		if (skb_pad(skb, pad_len))
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6861
			return true;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6862
		__skb_put(skb, pad_len);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6863
	}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6864
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6865
	return false;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6866
}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6867
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6868
/**
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6869
 *  igb_process_skb_fields - Populate skb header fields from Rx descriptor
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6870
 *  @rx_ring: rx descriptor ring packet is being transacted on
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6871
 *  @rx_desc: pointer to the EOP Rx descriptor
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6872
 *  @skb: pointer to current skb being populated
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6873
 *
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6874
 *  This function checks the ring, descriptor, and packet information in
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6875
 *  order to populate the hash, checksum, VLAN, timestamp, protocol, and
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6876
 *  other fields within the skb.
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6877
 **/
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6878
static void igb_process_skb_fields(struct igb_ring *rx_ring,
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6879
				   union e1000_adv_rx_desc *rx_desc,
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6880
				   struct sk_buff *skb)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6881
{
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6882
	struct net_device *dev = rx_ring->netdev;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6883
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6884
	igb_rx_hash(rx_ring, rx_desc, skb);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6885
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6886
	igb_rx_checksum(rx_ring, rx_desc, skb);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6887
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6888
	if (igb_test_staterr(rx_desc, E1000_RXDADV_STAT_TS) &&
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6889
	    !igb_test_staterr(rx_desc, E1000_RXDADV_STAT_TSIP))
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6890
		igb_ptp_rx_rgtstamp(rx_ring->q_vector, skb);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6891
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6892
	if ((dev->features & NETIF_F_HW_VLAN_CTAG_RX) &&
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6893
	    igb_test_staterr(rx_desc, E1000_RXD_STAT_VP)) {
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6894
		u16 vid;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6895
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6896
		if (igb_test_staterr(rx_desc, E1000_RXDEXT_STATERR_LB) &&
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6897
		    test_bit(IGB_RING_FLAG_RX_LB_VLAN_BSWAP, &rx_ring->flags))
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6898
			vid = be16_to_cpu(rx_desc->wb.upper.vlan);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6899
		else
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6900
			vid = le16_to_cpu(rx_desc->wb.upper.vlan);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6901
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6902
		__vlan_hwaccel_put_tag(skb, htons(ETH_P_8021Q), vid);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6903
	}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6904
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6905
	skb_record_rx_queue(skb, rx_ring->queue_index);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6906
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6907
	skb->protocol = eth_type_trans(skb, rx_ring->netdev);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6908
}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6909
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6910
static bool igb_clean_rx_irq(struct igb_q_vector *q_vector, const int budget)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6911
{
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6912
	struct igb_ring *rx_ring = q_vector->rx.ring;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6913
	struct sk_buff *skb = rx_ring->skb;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6914
	unsigned int total_bytes = 0, total_packets = 0;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6915
	u16 cleaned_count = igb_desc_unused(rx_ring);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6916
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6917
	while (likely(total_packets < budget)) {
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6918
		union e1000_adv_rx_desc *rx_desc;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6919
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6920
		/* return some buffers to hardware, one at a time is too slow */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6921
		if (cleaned_count >= IGB_RX_BUFFER_WRITE) {
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6922
			igb_alloc_rx_buffers(rx_ring, cleaned_count);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6923
			cleaned_count = 0;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6924
		}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6925
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6926
		rx_desc = IGB_RX_DESC(rx_ring, rx_ring->next_to_clean);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6927
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6928
		if (!igb_test_staterr(rx_desc, E1000_RXD_STAT_DD))
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6929
			break;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6930
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6931
		/* This memory barrier is needed to keep us from reading
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6932
		 * any other fields out of the rx_desc until we know the
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6933
		 * RXD_STAT_DD bit is set
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6934
		 */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6935
		rmb();
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6936
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6937
		/* retrieve a buffer from the ring */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6938
		skb = igb_fetch_rx_buffer(rx_ring, rx_desc, skb);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6939
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6940
		/* exit if we failed to retrieve a buffer */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6941
		if (!skb)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6942
			break;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6943
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6944
		cleaned_count++;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6945
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6946
		/* fetch next buffer in frame if non-eop */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6947
		if (igb_is_non_eop(rx_ring, rx_desc))
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6948
			continue;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6949
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6950
		/* verify the packet layout is correct */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6951
		if (igb_cleanup_headers(rx_ring, rx_desc, skb)) {
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6952
			skb = NULL;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6953
			continue;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6954
		}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6955
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6956
		/* probably a little skewed due to removing CRC */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6957
		total_bytes += skb->len;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6958
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6959
		/* populate checksum, timestamp, VLAN, and protocol */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6960
		igb_process_skb_fields(rx_ring, rx_desc, skb);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6961
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6962
		napi_gro_receive(&q_vector->napi, skb);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6963
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6964
		/* reset skb pointer */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6965
		skb = NULL;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6966
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6967
		/* update budget accounting */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6968
		total_packets++;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6969
	}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6970
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6971
	/* place incomplete frames back on ring for completion */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6972
	rx_ring->skb = skb;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6973
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6974
	u64_stats_update_begin(&rx_ring->rx_syncp);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6975
	rx_ring->rx_stats.packets += total_packets;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6976
	rx_ring->rx_stats.bytes += total_bytes;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6977
	u64_stats_update_end(&rx_ring->rx_syncp);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6978
	q_vector->rx.total_packets += total_packets;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6979
	q_vector->rx.total_bytes += total_bytes;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6980
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6981
	if (cleaned_count)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6982
		igb_alloc_rx_buffers(rx_ring, cleaned_count);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6983
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6984
	return total_packets < budget;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6985
}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6986
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6987
static bool igb_alloc_mapped_page(struct igb_ring *rx_ring,
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6988
				  struct igb_rx_buffer *bi)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6989
{
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6990
	struct page *page = bi->page;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6991
	dma_addr_t dma;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6992
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6993
	/* since we are recycling buffers we should seldom need to alloc */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6994
	if (likely(page))
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6995
		return true;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6996
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6997
	/* alloc new page for storage */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6998
	page = __skb_alloc_page(GFP_ATOMIC | __GFP_COLD, NULL);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  6999
	if (unlikely(!page)) {
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7000
		rx_ring->rx_stats.alloc_failed++;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7001
		return false;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7002
	}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7003
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7004
	/* map page for use */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7005
	dma = dma_map_page(rx_ring->dev, page, 0, PAGE_SIZE, DMA_FROM_DEVICE);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7006
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7007
	/* if mapping failed free memory back to system since
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7008
	 * there isn't much point in holding memory we can't use
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7009
	 */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7010
	if (dma_mapping_error(rx_ring->dev, dma)) {
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7011
		__free_page(page);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7012
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7013
		rx_ring->rx_stats.alloc_failed++;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7014
		return false;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7015
	}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7016
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7017
	bi->dma = dma;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7018
	bi->page = page;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7019
	bi->page_offset = 0;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7020
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7021
	return true;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7022
}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7023
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7024
/**
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7025
 *  igb_alloc_rx_buffers - Replace used receive buffers; packet split
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7026
 *  @adapter: address of board private structure
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7027
 **/
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7028
void igb_alloc_rx_buffers(struct igb_ring *rx_ring, u16 cleaned_count)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7029
{
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7030
	union e1000_adv_rx_desc *rx_desc;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7031
	struct igb_rx_buffer *bi;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7032
	u16 i = rx_ring->next_to_use;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7033
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7034
	/* nothing to do */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7035
	if (!cleaned_count)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7036
		return;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7037
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7038
	rx_desc = IGB_RX_DESC(rx_ring, i);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7039
	bi = &rx_ring->rx_buffer_info[i];
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7040
	i -= rx_ring->count;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7041
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7042
	do {
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7043
		if (!igb_alloc_mapped_page(rx_ring, bi))
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7044
			break;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7045
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7046
		/* Refresh the desc even if buffer_addrs didn't change
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7047
		 * because each write-back erases this info.
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7048
		 */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7049
		rx_desc->read.pkt_addr = cpu_to_le64(bi->dma + bi->page_offset);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7050
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7051
		rx_desc++;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7052
		bi++;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7053
		i++;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7054
		if (unlikely(!i)) {
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7055
			rx_desc = IGB_RX_DESC(rx_ring, 0);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7056
			bi = rx_ring->rx_buffer_info;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7057
			i -= rx_ring->count;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7058
		}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7059
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7060
		/* clear the hdr_addr for the next_to_use descriptor */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7061
		rx_desc->read.hdr_addr = 0;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7062
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7063
		cleaned_count--;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7064
	} while (cleaned_count);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7065
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7066
	i += rx_ring->count;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7067
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7068
	if (rx_ring->next_to_use != i) {
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7069
		/* record the next descriptor to use */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7070
		rx_ring->next_to_use = i;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7071
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7072
		/* update next to alloc since we have filled the ring */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7073
		rx_ring->next_to_alloc = i;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7074
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7075
		/* Force memory writes to complete before letting h/w
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7076
		 * know there are new descriptors to fetch.  (Only
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7077
		 * applicable for weak-ordered memory model archs,
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7078
		 * such as IA-64).
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7079
		 */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7080
		wmb();
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7081
		writel(i, rx_ring->tail);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7082
	}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7083
}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7084
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7085
/**
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7086
 * igb_mii_ioctl -
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7087
 * @netdev:
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7088
 * @ifreq:
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7089
 * @cmd:
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7090
 **/
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7091
static int igb_mii_ioctl(struct net_device *netdev, struct ifreq *ifr, int cmd)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7092
{
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7093
	struct igb_adapter *adapter = netdev_priv(netdev);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7094
	struct mii_ioctl_data *data = if_mii(ifr);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7095
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7096
	if (adapter->hw.phy.media_type != e1000_media_type_copper)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7097
		return -EOPNOTSUPP;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7098
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7099
	switch (cmd) {
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7100
	case SIOCGMIIPHY:
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7101
		data->phy_id = adapter->hw.phy.addr;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7102
		break;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7103
	case SIOCGMIIREG:
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7104
		if (igb_read_phy_reg(&adapter->hw, data->reg_num & 0x1F,
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7105
				     &data->val_out))
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7106
			return -EIO;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7107
		break;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7108
	case SIOCSMIIREG:
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7109
	default:
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7110
		return -EOPNOTSUPP;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7111
	}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7112
	return 0;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7113
}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7114
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7115
/**
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7116
 * igb_ioctl -
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7117
 * @netdev:
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7118
 * @ifreq:
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7119
 * @cmd:
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7120
 **/
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7121
static int igb_ioctl(struct net_device *netdev, struct ifreq *ifr, int cmd)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7122
{
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7123
	switch (cmd) {
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7124
	case SIOCGMIIPHY:
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7125
	case SIOCGMIIREG:
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7126
	case SIOCSMIIREG:
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7127
		return igb_mii_ioctl(netdev, ifr, cmd);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7128
	case SIOCGHWTSTAMP:
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7129
		return igb_ptp_get_ts_config(netdev, ifr);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7130
	case SIOCSHWTSTAMP:
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7131
		return igb_ptp_set_ts_config(netdev, ifr);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7132
	default:
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7133
		return -EOPNOTSUPP;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7134
	}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7135
}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7136
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7137
void igb_read_pci_cfg(struct e1000_hw *hw, u32 reg, u16 *value)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7138
{
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7139
	struct igb_adapter *adapter = hw->back;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7140
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7141
	pci_read_config_word(adapter->pdev, reg, value);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7142
}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7143
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7144
void igb_write_pci_cfg(struct e1000_hw *hw, u32 reg, u16 *value)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7145
{
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7146
	struct igb_adapter *adapter = hw->back;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7147
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7148
	pci_write_config_word(adapter->pdev, reg, *value);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7149
}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7150
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7151
s32 igb_read_pcie_cap_reg(struct e1000_hw *hw, u32 reg, u16 *value)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7152
{
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7153
	struct igb_adapter *adapter = hw->back;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7154
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7155
	if (pcie_capability_read_word(adapter->pdev, reg, value))
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7156
		return -E1000_ERR_CONFIG;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7157
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7158
	return 0;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7159
}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7160
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7161
s32 igb_write_pcie_cap_reg(struct e1000_hw *hw, u32 reg, u16 *value)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7162
{
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7163
	struct igb_adapter *adapter = hw->back;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7164
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7165
	if (pcie_capability_write_word(adapter->pdev, reg, *value))
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7166
		return -E1000_ERR_CONFIG;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7167
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7168
	return 0;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7169
}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7170
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7171
static void igb_vlan_mode(struct net_device *netdev, netdev_features_t features)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7172
{
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7173
	struct igb_adapter *adapter = netdev_priv(netdev);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7174
	struct e1000_hw *hw = &adapter->hw;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7175
	u32 ctrl, rctl;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7176
	bool enable = !!(features & NETIF_F_HW_VLAN_CTAG_RX);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7177
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7178
	if (enable) {
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7179
		/* enable VLAN tag insert/strip */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7180
		ctrl = rd32(E1000_CTRL);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7181
		ctrl |= E1000_CTRL_VME;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7182
		wr32(E1000_CTRL, ctrl);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7183
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7184
		/* Disable CFI check */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7185
		rctl = rd32(E1000_RCTL);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7186
		rctl &= ~E1000_RCTL_CFIEN;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7187
		wr32(E1000_RCTL, rctl);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7188
	} else {
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7189
		/* disable VLAN tag insert/strip */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7190
		ctrl = rd32(E1000_CTRL);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7191
		ctrl &= ~E1000_CTRL_VME;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7192
		wr32(E1000_CTRL, ctrl);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7193
	}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7194
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7195
	igb_rlpml_set(adapter);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7196
}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7197
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7198
static int igb_vlan_rx_add_vid(struct net_device *netdev,
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7199
			       __be16 proto, u16 vid)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7200
{
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7201
	struct igb_adapter *adapter = netdev_priv(netdev);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7202
	struct e1000_hw *hw = &adapter->hw;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7203
	int pf_id = adapter->vfs_allocated_count;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7204
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7205
	/* attempt to add filter to vlvf array */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7206
	igb_vlvf_set(adapter, vid, true, pf_id);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7207
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7208
	/* add the filter since PF can receive vlans w/o entry in vlvf */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7209
	igb_vfta_set(hw, vid, true);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7210
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7211
	set_bit(vid, adapter->active_vlans);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7212
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7213
	return 0;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7214
}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7215
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7216
static int igb_vlan_rx_kill_vid(struct net_device *netdev,
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7217
				__be16 proto, u16 vid)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7218
{
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7219
	struct igb_adapter *adapter = netdev_priv(netdev);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7220
	struct e1000_hw *hw = &adapter->hw;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7221
	int pf_id = adapter->vfs_allocated_count;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7222
	s32 err;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7223
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7224
	/* remove vlan from VLVF table array */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7225
	err = igb_vlvf_set(adapter, vid, false, pf_id);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7226
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7227
	/* if vid was not present in VLVF just remove it from table */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7228
	if (err)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7229
		igb_vfta_set(hw, vid, false);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7230
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7231
	clear_bit(vid, adapter->active_vlans);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7232
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7233
	return 0;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7234
}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7235
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7236
static void igb_restore_vlan(struct igb_adapter *adapter)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7237
{
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7238
	u16 vid;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7239
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7240
	igb_vlan_mode(adapter->netdev, adapter->netdev->features);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7241
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7242
	for_each_set_bit(vid, adapter->active_vlans, VLAN_N_VID)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7243
		igb_vlan_rx_add_vid(adapter->netdev, htons(ETH_P_8021Q), vid);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7244
}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7245
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7246
int igb_set_spd_dplx(struct igb_adapter *adapter, u32 spd, u8 dplx)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7247
{
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7248
	struct pci_dev *pdev = adapter->pdev;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7249
	struct e1000_mac_info *mac = &adapter->hw.mac;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7250
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7251
	mac->autoneg = 0;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7252
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7253
	/* Make sure dplx is at most 1 bit and lsb of speed is not set
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7254
	 * for the switch() below to work
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7255
	 */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7256
	if ((spd & 1) || (dplx & ~1))
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7257
		goto err_inval;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7258
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7259
	/* Fiber NIC's only allow 1000 gbps Full duplex
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7260
	 * and 100Mbps Full duplex for 100baseFx sfp
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7261
	 */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7262
	if (adapter->hw.phy.media_type == e1000_media_type_internal_serdes) {
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7263
		switch (spd + dplx) {
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7264
		case SPEED_10 + DUPLEX_HALF:
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7265
		case SPEED_10 + DUPLEX_FULL:
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7266
		case SPEED_100 + DUPLEX_HALF:
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7267
			goto err_inval;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7268
		default:
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7269
			break;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7270
		}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7271
	}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7272
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7273
	switch (spd + dplx) {
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7274
	case SPEED_10 + DUPLEX_HALF:
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7275
		mac->forced_speed_duplex = ADVERTISE_10_HALF;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7276
		break;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7277
	case SPEED_10 + DUPLEX_FULL:
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7278
		mac->forced_speed_duplex = ADVERTISE_10_FULL;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7279
		break;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7280
	case SPEED_100 + DUPLEX_HALF:
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7281
		mac->forced_speed_duplex = ADVERTISE_100_HALF;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7282
		break;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7283
	case SPEED_100 + DUPLEX_FULL:
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7284
		mac->forced_speed_duplex = ADVERTISE_100_FULL;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7285
		break;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7286
	case SPEED_1000 + DUPLEX_FULL:
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7287
		mac->autoneg = 1;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7288
		adapter->hw.phy.autoneg_advertised = ADVERTISE_1000_FULL;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7289
		break;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7290
	case SPEED_1000 + DUPLEX_HALF: /* not supported */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7291
	default:
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7292
		goto err_inval;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7293
	}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7294
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7295
	/* clear MDI, MDI(-X) override is only allowed when autoneg enabled */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7296
	adapter->hw.phy.mdix = AUTO_ALL_MODES;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7297
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7298
	return 0;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7299
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7300
err_inval:
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7301
	dev_err(&pdev->dev, "Unsupported Speed/Duplex configuration\n");
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7302
	return -EINVAL;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7303
}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7304
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7305
static int __igb_shutdown(struct pci_dev *pdev, bool *enable_wake,
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7306
			  bool runtime)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7307
{
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7308
	struct net_device *netdev = pci_get_drvdata(pdev);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7309
	struct igb_adapter *adapter = netdev_priv(netdev);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7310
	struct e1000_hw *hw = &adapter->hw;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7311
	u32 ctrl, rctl, status;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7312
	u32 wufc = runtime ? E1000_WUFC_LNKC : adapter->wol;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7313
#ifdef CONFIG_PM
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7314
	int retval = 0;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7315
#endif
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7316
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7317
	netif_device_detach(netdev);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7318
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7319
	if (netif_running(netdev))
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7320
		__igb_close(netdev, true);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7321
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7322
	igb_clear_interrupt_scheme(adapter);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7323
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7324
#ifdef CONFIG_PM
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7325
	retval = pci_save_state(pdev);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7326
	if (retval)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7327
		return retval;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7328
#endif
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7329
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7330
	status = rd32(E1000_STATUS);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7331
	if (status & E1000_STATUS_LU)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7332
		wufc &= ~E1000_WUFC_LNKC;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7333
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7334
	if (wufc) {
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7335
		igb_setup_rctl(adapter);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7336
		igb_set_rx_mode(netdev);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7337
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7338
		/* turn on all-multi mode if wake on multicast is enabled */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7339
		if (wufc & E1000_WUFC_MC) {
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7340
			rctl = rd32(E1000_RCTL);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7341
			rctl |= E1000_RCTL_MPE;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7342
			wr32(E1000_RCTL, rctl);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7343
		}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7344
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7345
		ctrl = rd32(E1000_CTRL);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7346
		/* advertise wake from D3Cold */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7347
		#define E1000_CTRL_ADVD3WUC 0x00100000
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7348
		/* phy power management enable */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7349
		#define E1000_CTRL_EN_PHY_PWR_MGMT 0x00200000
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7350
		ctrl |= E1000_CTRL_ADVD3WUC;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7351
		wr32(E1000_CTRL, ctrl);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7352
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7353
		/* Allow time for pending master requests to run */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7354
		igb_disable_pcie_master(hw);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7355
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7356
		wr32(E1000_WUC, E1000_WUC_PME_EN);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7357
		wr32(E1000_WUFC, wufc);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7358
	} else {
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7359
		wr32(E1000_WUC, 0);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7360
		wr32(E1000_WUFC, 0);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7361
	}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7362
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7363
	*enable_wake = wufc || adapter->en_mng_pt;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7364
	if (!*enable_wake)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7365
		igb_power_down_link(adapter);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7366
	else
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7367
		igb_power_up_link(adapter);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7368
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7369
	/* Release control of h/w to f/w.  If f/w is AMT enabled, this
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7370
	 * would have already happened in close and is redundant.
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7371
	 */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7372
	igb_release_hw_control(adapter);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7373
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7374
	pci_disable_device(pdev);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7375
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7376
	return 0;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7377
}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7378
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7379
#ifdef CONFIG_PM
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7380
#ifdef CONFIG_PM_SLEEP
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7381
static int igb_suspend(struct device *dev)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7382
{
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7383
	int retval;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7384
	bool wake;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7385
	struct pci_dev *pdev = to_pci_dev(dev);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7386
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7387
	retval = __igb_shutdown(pdev, &wake, 0);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7388
	if (retval)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7389
		return retval;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7390
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7391
	if (wake) {
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7392
		pci_prepare_to_sleep(pdev);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7393
	} else {
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7394
		pci_wake_from_d3(pdev, false);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7395
		pci_set_power_state(pdev, PCI_D3hot);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7396
	}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7397
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7398
	return 0;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7399
}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7400
#endif /* CONFIG_PM_SLEEP */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7401
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7402
static int igb_resume(struct device *dev)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7403
{
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7404
	struct pci_dev *pdev = to_pci_dev(dev);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7405
	struct net_device *netdev = pci_get_drvdata(pdev);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7406
	struct igb_adapter *adapter = netdev_priv(netdev);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7407
	struct e1000_hw *hw = &adapter->hw;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7408
	u32 err;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7409
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7410
	pci_set_power_state(pdev, PCI_D0);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7411
	pci_restore_state(pdev);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7412
	pci_save_state(pdev);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7413
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7414
	if (!pci_device_is_present(pdev))
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7415
		return -ENODEV;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7416
	err = pci_enable_device_mem(pdev);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7417
	if (err) {
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7418
		dev_err(&pdev->dev,
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7419
			"igb: Cannot enable PCI device from suspend\n");
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7420
		return err;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7421
	}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7422
	pci_set_master(pdev);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7423
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7424
	pci_enable_wake(pdev, PCI_D3hot, 0);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7425
	pci_enable_wake(pdev, PCI_D3cold, 0);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7426
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7427
	if (igb_init_interrupt_scheme(adapter, true)) {
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7428
		dev_err(&pdev->dev, "Unable to allocate memory for queues\n");
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7429
		return -ENOMEM;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7430
	}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7431
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7432
	igb_reset(adapter);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7433
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7434
	/* let the f/w know that the h/w is now under the control of the
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7435
	 * driver.
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7436
	 */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7437
	igb_get_hw_control(adapter);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7438
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7439
	wr32(E1000_WUS, ~0);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7440
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7441
	if (netdev->flags & IFF_UP) {
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7442
		rtnl_lock();
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7443
		err = __igb_open(netdev, true);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7444
		rtnl_unlock();
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7445
		if (err)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7446
			return err;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7447
	}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7448
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7449
	netif_device_attach(netdev);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7450
	return 0;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7451
}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7452
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7453
#ifdef CONFIG_PM_RUNTIME
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7454
static int igb_runtime_idle(struct device *dev)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7455
{
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7456
	struct pci_dev *pdev = to_pci_dev(dev);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7457
	struct net_device *netdev = pci_get_drvdata(pdev);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7458
	struct igb_adapter *adapter = netdev_priv(netdev);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7459
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7460
	if (!igb_has_link(adapter))
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7461
		pm_schedule_suspend(dev, MSEC_PER_SEC * 5);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7462
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7463
	return -EBUSY;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7464
}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7465
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7466
static int igb_runtime_suspend(struct device *dev)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7467
{
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7468
	struct pci_dev *pdev = to_pci_dev(dev);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7469
	int retval;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7470
	bool wake;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7471
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7472
	retval = __igb_shutdown(pdev, &wake, 1);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7473
	if (retval)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7474
		return retval;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7475
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7476
	if (wake) {
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7477
		pci_prepare_to_sleep(pdev);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7478
	} else {
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7479
		pci_wake_from_d3(pdev, false);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7480
		pci_set_power_state(pdev, PCI_D3hot);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7481
	}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7482
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7483
	return 0;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7484
}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7485
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7486
static int igb_runtime_resume(struct device *dev)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7487
{
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7488
	return igb_resume(dev);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7489
}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7490
#endif /* CONFIG_PM_RUNTIME */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7491
#endif
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7492
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7493
static void igb_shutdown(struct pci_dev *pdev)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7494
{
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7495
	bool wake;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7496
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7497
	__igb_shutdown(pdev, &wake, 0);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7498
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7499
	if (system_state == SYSTEM_POWER_OFF) {
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7500
		pci_wake_from_d3(pdev, wake);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7501
		pci_set_power_state(pdev, PCI_D3hot);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7502
	}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7503
}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7504
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7505
#ifdef CONFIG_PCI_IOV
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7506
static int igb_sriov_reinit(struct pci_dev *dev)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7507
{
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7508
	struct net_device *netdev = pci_get_drvdata(dev);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7509
	struct igb_adapter *adapter = netdev_priv(netdev);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7510
	struct pci_dev *pdev = adapter->pdev;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7511
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7512
	rtnl_lock();
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7513
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7514
	if (netif_running(netdev))
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7515
		igb_close(netdev);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7516
	else
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7517
		igb_reset(adapter);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7518
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7519
	igb_clear_interrupt_scheme(adapter);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7520
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7521
	igb_init_queue_configuration(adapter);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7522
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7523
	if (igb_init_interrupt_scheme(adapter, true)) {
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7524
		dev_err(&pdev->dev, "Unable to allocate memory for queues\n");
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7525
		return -ENOMEM;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7526
	}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7527
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7528
	if (netif_running(netdev))
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7529
		igb_open(netdev);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7530
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7531
	rtnl_unlock();
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7532
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7533
	return 0;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7534
}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7535
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7536
static int igb_pci_disable_sriov(struct pci_dev *dev)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7537
{
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7538
	int err = igb_disable_sriov(dev);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7539
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7540
	if (!err)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7541
		err = igb_sriov_reinit(dev);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7542
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7543
	return err;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7544
}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7545
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7546
static int igb_pci_enable_sriov(struct pci_dev *dev, int num_vfs)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7547
{
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7548
	int err = igb_enable_sriov(dev, num_vfs);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7549
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7550
	if (err)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7551
		goto out;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7552
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7553
	err = igb_sriov_reinit(dev);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7554
	if (!err)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7555
		return num_vfs;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7556
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7557
out:
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7558
	return err;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7559
}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7560
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7561
#endif
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7562
static int igb_pci_sriov_configure(struct pci_dev *dev, int num_vfs)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7563
{
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7564
#ifdef CONFIG_PCI_IOV
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7565
	if (num_vfs == 0)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7566
		return igb_pci_disable_sriov(dev);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7567
	else
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7568
		return igb_pci_enable_sriov(dev, num_vfs);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7569
#endif
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7570
	return 0;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7571
}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7572
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7573
#ifdef CONFIG_NET_POLL_CONTROLLER
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7574
/* Polling 'interrupt' - used by things like netconsole to send skbs
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7575
 * without having to re-enable interrupts. It's not called while
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7576
 * the interrupt routine is executing.
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7577
 */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7578
static void igb_netpoll(struct net_device *netdev)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7579
{
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7580
	struct igb_adapter *adapter = netdev_priv(netdev);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7581
	struct e1000_hw *hw = &adapter->hw;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7582
	struct igb_q_vector *q_vector;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7583
	int i;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7584
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7585
	for (i = 0; i < adapter->num_q_vectors; i++) {
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7586
		q_vector = adapter->q_vector[i];
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7587
		if (adapter->flags & IGB_FLAG_HAS_MSIX)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7588
			wr32(E1000_EIMC, q_vector->eims_value);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7589
		else
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7590
			igb_irq_disable(adapter);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7591
		napi_schedule(&q_vector->napi);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7592
	}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7593
}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7594
#endif /* CONFIG_NET_POLL_CONTROLLER */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7595
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7596
/**
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7597
 *  igb_io_error_detected - called when PCI error is detected
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7598
 *  @pdev: Pointer to PCI device
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7599
 *  @state: The current pci connection state
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7600
 *
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7601
 *  This function is called after a PCI bus error affecting
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7602
 *  this device has been detected.
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7603
 **/
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7604
static pci_ers_result_t igb_io_error_detected(struct pci_dev *pdev,
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7605
					      pci_channel_state_t state)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7606
{
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7607
	struct net_device *netdev = pci_get_drvdata(pdev);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7608
	struct igb_adapter *adapter = netdev_priv(netdev);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7609
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7610
	netif_device_detach(netdev);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7611
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7612
	if (state == pci_channel_io_perm_failure)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7613
		return PCI_ERS_RESULT_DISCONNECT;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7614
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7615
	if (netif_running(netdev))
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7616
		igb_down(adapter);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7617
	pci_disable_device(pdev);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7618
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7619
	/* Request a slot slot reset. */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7620
	return PCI_ERS_RESULT_NEED_RESET;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7621
}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7622
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7623
/**
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7624
 *  igb_io_slot_reset - called after the pci bus has been reset.
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7625
 *  @pdev: Pointer to PCI device
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7626
 *
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7627
 *  Restart the card from scratch, as if from a cold-boot. Implementation
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7628
 *  resembles the first-half of the igb_resume routine.
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7629
 **/
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7630
static pci_ers_result_t igb_io_slot_reset(struct pci_dev *pdev)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7631
{
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7632
	struct net_device *netdev = pci_get_drvdata(pdev);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7633
	struct igb_adapter *adapter = netdev_priv(netdev);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7634
	struct e1000_hw *hw = &adapter->hw;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7635
	pci_ers_result_t result;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7636
	int err;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7637
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7638
	if (pci_enable_device_mem(pdev)) {
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7639
		dev_err(&pdev->dev,
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7640
			"Cannot re-enable PCI device after reset.\n");
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7641
		result = PCI_ERS_RESULT_DISCONNECT;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7642
	} else {
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7643
		pci_set_master(pdev);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7644
		pci_restore_state(pdev);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7645
		pci_save_state(pdev);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7646
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7647
		pci_enable_wake(pdev, PCI_D3hot, 0);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7648
		pci_enable_wake(pdev, PCI_D3cold, 0);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7649
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7650
		igb_reset(adapter);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7651
		wr32(E1000_WUS, ~0);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7652
		result = PCI_ERS_RESULT_RECOVERED;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7653
	}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7654
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7655
	err = pci_cleanup_aer_uncorrect_error_status(pdev);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7656
	if (err) {
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7657
		dev_err(&pdev->dev,
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7658
			"pci_cleanup_aer_uncorrect_error_status failed 0x%0x\n",
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7659
			err);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7660
		/* non-fatal, continue */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7661
	}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7662
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7663
	return result;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7664
}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7665
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7666
/**
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7667
 *  igb_io_resume - called when traffic can start flowing again.
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7668
 *  @pdev: Pointer to PCI device
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7669
 *
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7670
 *  This callback is called when the error recovery driver tells us that
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7671
 *  its OK to resume normal operation. Implementation resembles the
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7672
 *  second-half of the igb_resume routine.
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7673
 */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7674
static void igb_io_resume(struct pci_dev *pdev)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7675
{
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7676
	struct net_device *netdev = pci_get_drvdata(pdev);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7677
	struct igb_adapter *adapter = netdev_priv(netdev);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7678
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7679
	if (netif_running(netdev)) {
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7680
		if (igb_up(adapter)) {
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7681
			dev_err(&pdev->dev, "igb_up failed after reset\n");
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7682
			return;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7683
		}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7684
	}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7685
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7686
	netif_device_attach(netdev);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7687
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7688
	/* let the f/w know that the h/w is now under the control of the
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7689
	 * driver.
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7690
	 */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7691
	igb_get_hw_control(adapter);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7692
}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7693
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7694
static void igb_rar_set_qsel(struct igb_adapter *adapter, u8 *addr, u32 index,
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7695
			     u8 qsel)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7696
{
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7697
	u32 rar_low, rar_high;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7698
	struct e1000_hw *hw = &adapter->hw;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7699
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7700
	/* HW expects these in little endian so we reverse the byte order
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7701
	 * from network order (big endian) to little endian
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7702
	 */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7703
	rar_low = ((u32) addr[0] | ((u32) addr[1] << 8) |
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7704
		   ((u32) addr[2] << 16) | ((u32) addr[3] << 24));
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7705
	rar_high = ((u32) addr[4] | ((u32) addr[5] << 8));
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7706
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7707
	/* Indicate to hardware the Address is Valid. */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7708
	rar_high |= E1000_RAH_AV;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7709
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7710
	if (hw->mac.type == e1000_82575)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7711
		rar_high |= E1000_RAH_POOL_1 * qsel;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7712
	else
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7713
		rar_high |= E1000_RAH_POOL_1 << qsel;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7714
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7715
	wr32(E1000_RAL(index), rar_low);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7716
	wrfl();
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7717
	wr32(E1000_RAH(index), rar_high);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7718
	wrfl();
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7719
}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7720
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7721
static int igb_set_vf_mac(struct igb_adapter *adapter,
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7722
			  int vf, unsigned char *mac_addr)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7723
{
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7724
	struct e1000_hw *hw = &adapter->hw;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7725
	/* VF MAC addresses start at end of receive addresses and moves
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7726
	 * towards the first, as a result a collision should not be possible
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7727
	 */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7728
	int rar_entry = hw->mac.rar_entry_count - (vf + 1);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7729
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7730
	memcpy(adapter->vf_data[vf].vf_mac_addresses, mac_addr, ETH_ALEN);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7731
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7732
	igb_rar_set_qsel(adapter, mac_addr, rar_entry, vf);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7733
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7734
	return 0;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7735
}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7736
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7737
static int igb_ndo_set_vf_mac(struct net_device *netdev, int vf, u8 *mac)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7738
{
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7739
	struct igb_adapter *adapter = netdev_priv(netdev);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7740
	if (!is_valid_ether_addr(mac) || (vf >= adapter->vfs_allocated_count))
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7741
		return -EINVAL;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7742
	adapter->vf_data[vf].flags |= IGB_VF_FLAG_PF_SET_MAC;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7743
	dev_info(&adapter->pdev->dev, "setting MAC %pM on VF %d\n", mac, vf);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7744
	dev_info(&adapter->pdev->dev,
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7745
		 "Reload the VF driver to make this change effective.");
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7746
	if (test_bit(__IGB_DOWN, &adapter->state)) {
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7747
		dev_warn(&adapter->pdev->dev,
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7748
			 "The VF MAC address has been set, but the PF device is not up.\n");
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7749
		dev_warn(&adapter->pdev->dev,
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7750
			 "Bring the PF device up before attempting to use the VF device.\n");
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7751
	}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7752
	return igb_set_vf_mac(adapter, vf, mac);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7753
}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7754
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7755
static int igb_link_mbps(int internal_link_speed)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7756
{
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7757
	switch (internal_link_speed) {
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7758
	case SPEED_100:
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7759
		return 100;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7760
	case SPEED_1000:
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7761
		return 1000;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7762
	default:
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7763
		return 0;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7764
	}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7765
}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7766
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7767
static void igb_set_vf_rate_limit(struct e1000_hw *hw, int vf, int tx_rate,
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7768
				  int link_speed)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7769
{
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7770
	int rf_dec, rf_int;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7771
	u32 bcnrc_val;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7772
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7773
	if (tx_rate != 0) {
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7774
		/* Calculate the rate factor values to set */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7775
		rf_int = link_speed / tx_rate;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7776
		rf_dec = (link_speed - (rf_int * tx_rate));
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7777
		rf_dec = (rf_dec * (1 << E1000_RTTBCNRC_RF_INT_SHIFT)) /
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7778
			 tx_rate;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7779
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7780
		bcnrc_val = E1000_RTTBCNRC_RS_ENA;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7781
		bcnrc_val |= ((rf_int << E1000_RTTBCNRC_RF_INT_SHIFT) &
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7782
			      E1000_RTTBCNRC_RF_INT_MASK);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7783
		bcnrc_val |= (rf_dec & E1000_RTTBCNRC_RF_DEC_MASK);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7784
	} else {
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7785
		bcnrc_val = 0;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7786
	}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7787
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7788
	wr32(E1000_RTTDQSEL, vf); /* vf X uses queue X */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7789
	/* Set global transmit compensation time to the MMW_SIZE in RTTBCNRM
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7790
	 * register. MMW_SIZE=0x014 if 9728-byte jumbo is supported.
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7791
	 */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7792
	wr32(E1000_RTTBCNRM, 0x14);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7793
	wr32(E1000_RTTBCNRC, bcnrc_val);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7794
}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7795
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7796
static void igb_check_vf_rate_limit(struct igb_adapter *adapter)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7797
{
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7798
	int actual_link_speed, i;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7799
	bool reset_rate = false;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7800
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7801
	/* VF TX rate limit was not set or not supported */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7802
	if ((adapter->vf_rate_link_speed == 0) ||
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7803
	    (adapter->hw.mac.type != e1000_82576))
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7804
		return;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7805
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7806
	actual_link_speed = igb_link_mbps(adapter->link_speed);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7807
	if (actual_link_speed != adapter->vf_rate_link_speed) {
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7808
		reset_rate = true;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7809
		adapter->vf_rate_link_speed = 0;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7810
		dev_info(&adapter->pdev->dev,
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7811
			 "Link speed has been changed. VF Transmit rate is disabled\n");
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7812
	}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7813
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7814
	for (i = 0; i < adapter->vfs_allocated_count; i++) {
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7815
		if (reset_rate)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7816
			adapter->vf_data[i].tx_rate = 0;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7817
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7818
		igb_set_vf_rate_limit(&adapter->hw, i,
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7819
				      adapter->vf_data[i].tx_rate,
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7820
				      actual_link_speed);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7821
	}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7822
}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7823
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7824
static int igb_ndo_set_vf_bw(struct net_device *netdev, int vf,
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7825
			     int min_tx_rate, int max_tx_rate)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7826
{
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7827
	struct igb_adapter *adapter = netdev_priv(netdev);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7828
	struct e1000_hw *hw = &adapter->hw;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7829
	int actual_link_speed;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7830
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7831
	if (hw->mac.type != e1000_82576)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7832
		return -EOPNOTSUPP;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7833
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7834
	if (min_tx_rate)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7835
		return -EINVAL;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7836
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7837
	actual_link_speed = igb_link_mbps(adapter->link_speed);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7838
	if ((vf >= adapter->vfs_allocated_count) ||
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7839
	    (!(rd32(E1000_STATUS) & E1000_STATUS_LU)) ||
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7840
	    (max_tx_rate < 0) ||
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7841
	    (max_tx_rate > actual_link_speed))
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7842
		return -EINVAL;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7843
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7844
	adapter->vf_rate_link_speed = actual_link_speed;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7845
	adapter->vf_data[vf].tx_rate = (u16)max_tx_rate;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7846
	igb_set_vf_rate_limit(hw, vf, max_tx_rate, actual_link_speed);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7847
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7848
	return 0;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7849
}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7850
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7851
static int igb_ndo_set_vf_spoofchk(struct net_device *netdev, int vf,
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7852
				   bool setting)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7853
{
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7854
	struct igb_adapter *adapter = netdev_priv(netdev);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7855
	struct e1000_hw *hw = &adapter->hw;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7856
	u32 reg_val, reg_offset;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7857
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7858
	if (!adapter->vfs_allocated_count)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7859
		return -EOPNOTSUPP;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7860
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7861
	if (vf >= adapter->vfs_allocated_count)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7862
		return -EINVAL;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7863
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7864
	reg_offset = (hw->mac.type == e1000_82576) ? E1000_DTXSWC : E1000_TXSWC;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7865
	reg_val = rd32(reg_offset);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7866
	if (setting)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7867
		reg_val |= ((1 << vf) |
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7868
			    (1 << (vf + E1000_DTXSWC_VLAN_SPOOF_SHIFT)));
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7869
	else
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7870
		reg_val &= ~((1 << vf) |
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7871
			     (1 << (vf + E1000_DTXSWC_VLAN_SPOOF_SHIFT)));
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7872
	wr32(reg_offset, reg_val);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7873
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7874
	adapter->vf_data[vf].spoofchk_enabled = setting;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7875
	return 0;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7876
}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7877
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7878
static int igb_ndo_get_vf_config(struct net_device *netdev,
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7879
				 int vf, struct ifla_vf_info *ivi)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7880
{
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7881
	struct igb_adapter *adapter = netdev_priv(netdev);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7882
	if (vf >= adapter->vfs_allocated_count)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7883
		return -EINVAL;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7884
	ivi->vf = vf;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7885
	memcpy(&ivi->mac, adapter->vf_data[vf].vf_mac_addresses, ETH_ALEN);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7886
	ivi->max_tx_rate = adapter->vf_data[vf].tx_rate;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7887
	ivi->min_tx_rate = 0;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7888
	ivi->vlan = adapter->vf_data[vf].pf_vlan;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7889
	ivi->qos = adapter->vf_data[vf].pf_qos;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7890
	ivi->spoofchk = adapter->vf_data[vf].spoofchk_enabled;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7891
	return 0;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7892
}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7893
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7894
static void igb_vmm_control(struct igb_adapter *adapter)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7895
{
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7896
	struct e1000_hw *hw = &adapter->hw;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7897
	u32 reg;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7898
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7899
	switch (hw->mac.type) {
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7900
	case e1000_82575:
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7901
	case e1000_i210:
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7902
	case e1000_i211:
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7903
	case e1000_i354:
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7904
	default:
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7905
		/* replication is not supported for 82575 */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7906
		return;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7907
	case e1000_82576:
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7908
		/* notify HW that the MAC is adding vlan tags */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7909
		reg = rd32(E1000_DTXCTL);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7910
		reg |= E1000_DTXCTL_VLAN_ADDED;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7911
		wr32(E1000_DTXCTL, reg);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7912
		/* Fall through */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7913
	case e1000_82580:
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7914
		/* enable replication vlan tag stripping */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7915
		reg = rd32(E1000_RPLOLR);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7916
		reg |= E1000_RPLOLR_STRVLAN;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7917
		wr32(E1000_RPLOLR, reg);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7918
		/* Fall through */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7919
	case e1000_i350:
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7920
		/* none of the above registers are supported by i350 */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7921
		break;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7922
	}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7923
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7924
	if (adapter->vfs_allocated_count) {
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7925
		igb_vmdq_set_loopback_pf(hw, true);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7926
		igb_vmdq_set_replication_pf(hw, true);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7927
		igb_vmdq_set_anti_spoofing_pf(hw, true,
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7928
					      adapter->vfs_allocated_count);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7929
	} else {
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7930
		igb_vmdq_set_loopback_pf(hw, false);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7931
		igb_vmdq_set_replication_pf(hw, false);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7932
	}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7933
}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7934
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7935
static void igb_init_dmac(struct igb_adapter *adapter, u32 pba)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7936
{
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7937
	struct e1000_hw *hw = &adapter->hw;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7938
	u32 dmac_thr;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7939
	u16 hwm;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7940
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7941
	if (hw->mac.type > e1000_82580) {
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7942
		if (adapter->flags & IGB_FLAG_DMAC) {
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7943
			u32 reg;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7944
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7945
			/* force threshold to 0. */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7946
			wr32(E1000_DMCTXTH, 0);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7947
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7948
			/* DMA Coalescing high water mark needs to be greater
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7949
			 * than the Rx threshold. Set hwm to PBA - max frame
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7950
			 * size in 16B units, capping it at PBA - 6KB.
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7951
			 */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7952
			hwm = 64 * pba - adapter->max_frame_size / 16;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7953
			if (hwm < 64 * (pba - 6))
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7954
				hwm = 64 * (pba - 6);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7955
			reg = rd32(E1000_FCRTC);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7956
			reg &= ~E1000_FCRTC_RTH_COAL_MASK;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7957
			reg |= ((hwm << E1000_FCRTC_RTH_COAL_SHIFT)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7958
				& E1000_FCRTC_RTH_COAL_MASK);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7959
			wr32(E1000_FCRTC, reg);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7960
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7961
			/* Set the DMA Coalescing Rx threshold to PBA - 2 * max
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7962
			 * frame size, capping it at PBA - 10KB.
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7963
			 */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7964
			dmac_thr = pba - adapter->max_frame_size / 512;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7965
			if (dmac_thr < pba - 10)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7966
				dmac_thr = pba - 10;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7967
			reg = rd32(E1000_DMACR);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7968
			reg &= ~E1000_DMACR_DMACTHR_MASK;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7969
			reg |= ((dmac_thr << E1000_DMACR_DMACTHR_SHIFT)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7970
				& E1000_DMACR_DMACTHR_MASK);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7971
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7972
			/* transition to L0x or L1 if available..*/
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7973
			reg |= (E1000_DMACR_DMAC_EN | E1000_DMACR_DMAC_LX_MASK);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7974
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7975
			/* watchdog timer= +-1000 usec in 32usec intervals */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7976
			reg |= (1000 >> 5);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7977
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7978
			/* Disable BMC-to-OS Watchdog Enable */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7979
			if (hw->mac.type != e1000_i354)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7980
				reg &= ~E1000_DMACR_DC_BMC2OSW_EN;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7981
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7982
			wr32(E1000_DMACR, reg);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7983
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7984
			/* no lower threshold to disable
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7985
			 * coalescing(smart fifb)-UTRESH=0
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7986
			 */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7987
			wr32(E1000_DMCRTRH, 0);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7988
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7989
			reg = (IGB_DMCTLX_DCFLUSH_DIS | 0x4);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7990
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7991
			wr32(E1000_DMCTLX, reg);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7992
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7993
			/* free space in tx packet buffer to wake from
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7994
			 * DMA coal
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7995
			 */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7996
			wr32(E1000_DMCTXTH, (IGB_MIN_TXPBSIZE -
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7997
			     (IGB_TX_BUF_4096 + adapter->max_frame_size)) >> 6);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7998
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  7999
			/* make low power state decision controlled
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  8000
			 * by DMA coal
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  8001
			 */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  8002
			reg = rd32(E1000_PCIEMISC);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  8003
			reg &= ~E1000_PCIEMISC_LX_DECISION;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  8004
			wr32(E1000_PCIEMISC, reg);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  8005
		} /* endif adapter->dmac is not disabled */
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  8006
	} else if (hw->mac.type == e1000_82580) {
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  8007
		u32 reg = rd32(E1000_PCIEMISC);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  8008
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  8009
		wr32(E1000_PCIEMISC, reg & ~E1000_PCIEMISC_LX_DECISION);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  8010
		wr32(E1000_DMACR, 0);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  8011
	}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  8012
}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  8013
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  8014
/**
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  8015
 *  igb_read_i2c_byte - Reads 8 bit word over I2C
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  8016
 *  @hw: pointer to hardware structure
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  8017
 *  @byte_offset: byte offset to read
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  8018
 *  @dev_addr: device address
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  8019
 *  @data: value read
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  8020
 *
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  8021
 *  Performs byte read operation over I2C interface at
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  8022
 *  a specified device address.
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  8023
 **/
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  8024
s32 igb_read_i2c_byte(struct e1000_hw *hw, u8 byte_offset,
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  8025
		      u8 dev_addr, u8 *data)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  8026
{
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  8027
	struct igb_adapter *adapter = container_of(hw, struct igb_adapter, hw);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  8028
	struct i2c_client *this_client = adapter->i2c_client;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  8029
	s32 status;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  8030
	u16 swfw_mask = 0;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  8031
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  8032
	if (!this_client)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  8033
		return E1000_ERR_I2C;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  8034
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  8035
	swfw_mask = E1000_SWFW_PHY0_SM;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  8036
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  8037
	if (hw->mac.ops.acquire_swfw_sync(hw, swfw_mask))
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  8038
		return E1000_ERR_SWFW_SYNC;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  8039
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  8040
	status = i2c_smbus_read_byte_data(this_client, byte_offset);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  8041
	hw->mac.ops.release_swfw_sync(hw, swfw_mask);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  8042
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  8043
	if (status < 0)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  8044
		return E1000_ERR_I2C;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  8045
	else {
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  8046
		*data = status;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  8047
		return 0;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  8048
	}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  8049
}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  8050
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  8051
/**
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  8052
 *  igb_write_i2c_byte - Writes 8 bit word over I2C
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  8053
 *  @hw: pointer to hardware structure
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  8054
 *  @byte_offset: byte offset to write
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  8055
 *  @dev_addr: device address
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  8056
 *  @data: value to write
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  8057
 *
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  8058
 *  Performs byte write operation over I2C interface at
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  8059
 *  a specified device address.
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  8060
 **/
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  8061
s32 igb_write_i2c_byte(struct e1000_hw *hw, u8 byte_offset,
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  8062
		       u8 dev_addr, u8 data)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  8063
{
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  8064
	struct igb_adapter *adapter = container_of(hw, struct igb_adapter, hw);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  8065
	struct i2c_client *this_client = adapter->i2c_client;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  8066
	s32 status;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  8067
	u16 swfw_mask = E1000_SWFW_PHY0_SM;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  8068
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  8069
	if (!this_client)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  8070
		return E1000_ERR_I2C;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  8071
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  8072
	if (hw->mac.ops.acquire_swfw_sync(hw, swfw_mask))
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  8073
		return E1000_ERR_SWFW_SYNC;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  8074
	status = i2c_smbus_write_byte_data(this_client, byte_offset, data);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  8075
	hw->mac.ops.release_swfw_sync(hw, swfw_mask);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  8076
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  8077
	if (status)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  8078
		return E1000_ERR_I2C;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  8079
	else
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  8080
		return 0;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  8081
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  8082
}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  8083
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  8084
int igb_reinit_queues(struct igb_adapter *adapter)
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  8085
{
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  8086
	struct net_device *netdev = adapter->netdev;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  8087
	struct pci_dev *pdev = adapter->pdev;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  8088
	int err = 0;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  8089
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  8090
	if (netif_running(netdev))
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  8091
		igb_close(netdev);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  8092
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  8093
	igb_reset_interrupt_capability(adapter);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  8094
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  8095
	if (igb_init_interrupt_scheme(adapter, true)) {
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  8096
		dev_err(&pdev->dev, "Unable to allocate memory for queues\n");
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  8097
		return -ENOMEM;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  8098
	}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  8099
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  8100
	if (netif_running(netdev))
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  8101
		err = igb_open(netdev);
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  8102
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  8103
	return err;
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  8104
}
740291442c05 Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff changeset
  8105
/* igb_main.c */