devices/e1000/e1000_main-3.14-ethercat.c
author Florian Pose <fp@igh-essen.com>
Fri, 16 Sep 2016 11:57:01 +0200
branchstable-1.5
changeset 2657 bb2163e6b145
parent 2599 4b0b906df1b4
permissions -rw-r--r--
merge
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/*******************************************************************************
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  Intel PRO/1000 Linux driver
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  Copyright(c) 1999 - 2006 Intel Corporation.
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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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  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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  You should have received a copy of the GNU General Public License along with
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  this program; if not, write to the Free Software Foundation, Inc.,
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  51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
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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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  Contact Information:
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  Linux NICS <linux.nics@intel.com>
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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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  vim: noexpandtab
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*******************************************************************************/
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#include "e1000-3.14-ethercat.h"
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#include <net/ip6_checksum.h>
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#include <linux/io.h>
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#include <linux/prefetch.h>
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#include <linux/bitops.h>
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#include <linux/if_vlan.h>
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char e1000_driver_name[] = "ec_e1000";
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static char e1000_driver_string[] = "Intel(R) PRO/1000 Network Driver";
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#define DRV_VERSION "7.3.21-k8-NAPI"
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const char e1000_driver_version[] = DRV_VERSION;
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static const char e1000_copyright[] = "Copyright (c) 1999-2006 Intel Corporation.";
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/* e1000_pci_tbl - PCI Device ID Table
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 *
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 * Last entry must be all 0s
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 *
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 * Macro expands to...
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 *   {PCI_DEVICE(PCI_VENDOR_ID_INTEL, device_id)}
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 */
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static DEFINE_PCI_DEVICE_TABLE(e1000_pci_tbl) = {
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	INTEL_E1000_ETHERNET_DEVICE(0x1000),
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	INTEL_E1000_ETHERNET_DEVICE(0x1001),
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	INTEL_E1000_ETHERNET_DEVICE(0x1004),
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	INTEL_E1000_ETHERNET_DEVICE(0x1008),
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	INTEL_E1000_ETHERNET_DEVICE(0x1009),
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	INTEL_E1000_ETHERNET_DEVICE(0x100C),
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	INTEL_E1000_ETHERNET_DEVICE(0x100D),
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	INTEL_E1000_ETHERNET_DEVICE(0x100E),
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	INTEL_E1000_ETHERNET_DEVICE(0x100F),
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	INTEL_E1000_ETHERNET_DEVICE(0x1010),
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	INTEL_E1000_ETHERNET_DEVICE(0x1011),
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	INTEL_E1000_ETHERNET_DEVICE(0x1012),
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	INTEL_E1000_ETHERNET_DEVICE(0x1013),
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	INTEL_E1000_ETHERNET_DEVICE(0x1014),
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	INTEL_E1000_ETHERNET_DEVICE(0x1015),
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	INTEL_E1000_ETHERNET_DEVICE(0x1016),
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	INTEL_E1000_ETHERNET_DEVICE(0x1017),
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	INTEL_E1000_ETHERNET_DEVICE(0x1018),
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	INTEL_E1000_ETHERNET_DEVICE(0x1019),
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	INTEL_E1000_ETHERNET_DEVICE(0x101A),
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	INTEL_E1000_ETHERNET_DEVICE(0x101D),
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	INTEL_E1000_ETHERNET_DEVICE(0x101E),
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	INTEL_E1000_ETHERNET_DEVICE(0x1026),
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	INTEL_E1000_ETHERNET_DEVICE(0x1027),
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	INTEL_E1000_ETHERNET_DEVICE(0x1028),
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	INTEL_E1000_ETHERNET_DEVICE(0x1075),
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	INTEL_E1000_ETHERNET_DEVICE(0x1076),
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	INTEL_E1000_ETHERNET_DEVICE(0x1077),
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	INTEL_E1000_ETHERNET_DEVICE(0x1078),
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	INTEL_E1000_ETHERNET_DEVICE(0x1079),
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	INTEL_E1000_ETHERNET_DEVICE(0x107A),
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	INTEL_E1000_ETHERNET_DEVICE(0x107B),
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	INTEL_E1000_ETHERNET_DEVICE(0x107C),
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	INTEL_E1000_ETHERNET_DEVICE(0x108A),
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	INTEL_E1000_ETHERNET_DEVICE(0x1099),
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	INTEL_E1000_ETHERNET_DEVICE(0x10B5),
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	INTEL_E1000_ETHERNET_DEVICE(0x2E6E),
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	/* required last entry */
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	{0,}
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};
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// do not auto-load driver
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// MODULE_DEVICE_TABLE(pci, e1000_pci_tbl);
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int e1000_up(struct e1000_adapter *adapter);
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void e1000_down(struct e1000_adapter *adapter);
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void e1000_reinit_locked(struct e1000_adapter *adapter);
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void e1000_reset(struct e1000_adapter *adapter);
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int e1000_setup_all_tx_resources(struct e1000_adapter *adapter);
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int e1000_setup_all_rx_resources(struct e1000_adapter *adapter);
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void e1000_free_all_tx_resources(struct e1000_adapter *adapter);
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void e1000_free_all_rx_resources(struct e1000_adapter *adapter);
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static int e1000_setup_tx_resources(struct e1000_adapter *adapter,
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                             struct e1000_tx_ring *txdr);
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static int e1000_setup_rx_resources(struct e1000_adapter *adapter,
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                             struct e1000_rx_ring *rxdr);
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static void e1000_free_tx_resources(struct e1000_adapter *adapter,
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                             struct e1000_tx_ring *tx_ring);
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static void e1000_free_rx_resources(struct e1000_adapter *adapter,
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                             struct e1000_rx_ring *rx_ring);
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void e1000_update_stats(struct e1000_adapter *adapter);
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static int e1000_init_module(void);
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static void e1000_exit_module(void);
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static int e1000_probe(struct pci_dev *pdev, const struct pci_device_id *ent);
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static void e1000_remove(struct pci_dev *pdev);
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static int e1000_alloc_queues(struct e1000_adapter *adapter);
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static int e1000_sw_init(struct e1000_adapter *adapter);
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static int e1000_open(struct net_device *netdev);
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static int e1000_close(struct net_device *netdev);
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static void e1000_configure_tx(struct e1000_adapter *adapter);
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static void e1000_configure_rx(struct e1000_adapter *adapter);
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static void e1000_setup_rctl(struct e1000_adapter *adapter);
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static void e1000_clean_all_tx_rings(struct e1000_adapter *adapter);
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static void e1000_clean_all_rx_rings(struct e1000_adapter *adapter);
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static void e1000_clean_tx_ring(struct e1000_adapter *adapter,
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                                struct e1000_tx_ring *tx_ring);
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static void e1000_clean_rx_ring(struct e1000_adapter *adapter,
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                                struct e1000_rx_ring *rx_ring);
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static void e1000_set_rx_mode(struct net_device *netdev);
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static void e1000_update_phy_info_task(struct work_struct *work);
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static void e1000_watchdog(struct work_struct *work);
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static void e1000_82547_tx_fifo_stall_task(struct work_struct *work);
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static netdev_tx_t e1000_xmit_frame(struct sk_buff *skb,
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				    struct net_device *netdev);
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static struct net_device_stats * e1000_get_stats(struct net_device *netdev);
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static int e1000_change_mtu(struct net_device *netdev, int new_mtu);
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static int e1000_set_mac(struct net_device *netdev, void *p);
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void ec_poll(struct net_device *);
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static irqreturn_t e1000_intr(int irq, void *data);
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static bool e1000_clean_tx_irq(struct e1000_adapter *adapter,
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			       struct e1000_tx_ring *tx_ring);
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static int e1000_clean(struct napi_struct *napi, int budget);
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static bool e1000_clean_rx_irq(struct e1000_adapter *adapter,
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			       struct e1000_rx_ring *rx_ring,
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			       int *work_done, int work_to_do);
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static bool e1000_clean_jumbo_rx_irq(struct e1000_adapter *adapter,
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				     struct e1000_rx_ring *rx_ring,
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				     int *work_done, int work_to_do);
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static void e1000_alloc_rx_buffers(struct e1000_adapter *adapter,
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				   struct e1000_rx_ring *rx_ring,
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				   int cleaned_count);
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static void e1000_alloc_jumbo_rx_buffers(struct e1000_adapter *adapter,
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					 struct e1000_rx_ring *rx_ring,
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					 int cleaned_count);
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static int e1000_ioctl(struct net_device *netdev, struct ifreq *ifr, int cmd);
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static int e1000_mii_ioctl(struct net_device *netdev, struct ifreq *ifr,
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			   int cmd);
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static void e1000_enter_82542_rst(struct e1000_adapter *adapter);
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static void e1000_leave_82542_rst(struct e1000_adapter *adapter);
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static void e1000_tx_timeout(struct net_device *dev);
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static void e1000_reset_task(struct work_struct *work);
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static void e1000_smartspeed(struct e1000_adapter *adapter);
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static int e1000_82547_fifo_workaround(struct e1000_adapter *adapter,
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                                       struct sk_buff *skb);
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static bool e1000_vlan_used(struct e1000_adapter *adapter);
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static void e1000_vlan_mode(struct net_device *netdev,
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			    netdev_features_t features);
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static void e1000_vlan_filter_on_off(struct e1000_adapter *adapter,
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				     bool filter_on);
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static int e1000_vlan_rx_add_vid(struct net_device *netdev,
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				 __be16 proto, u16 vid);
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static int e1000_vlan_rx_kill_vid(struct net_device *netdev,
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				  __be16 proto, u16 vid);
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static void e1000_restore_vlan(struct e1000_adapter *adapter);
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#ifdef CONFIG_PM
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static int e1000_suspend(struct pci_dev *pdev, pm_message_t state);
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static int e1000_resume(struct pci_dev *pdev);
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#endif
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static void e1000_shutdown(struct pci_dev *pdev);
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#ifdef CONFIG_NET_POLL_CONTROLLER
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/* for netdump / net console */
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static void e1000_netpoll (struct net_device *netdev);
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#endif
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#define COPYBREAK_DEFAULT 256
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static unsigned int copybreak __read_mostly = COPYBREAK_DEFAULT;
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module_param(copybreak, uint, 0644);
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MODULE_PARM_DESC(copybreak,
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	"Maximum size of packet that is copied to a new buffer on receive");
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static pci_ers_result_t e1000_io_error_detected(struct pci_dev *pdev,
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                     pci_channel_state_t state);
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static pci_ers_result_t e1000_io_slot_reset(struct pci_dev *pdev);
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static void e1000_io_resume(struct pci_dev *pdev);
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static const struct pci_error_handlers e1000_err_handler = {
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	.error_detected = e1000_io_error_detected,
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	.slot_reset = e1000_io_slot_reset,
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	.resume = e1000_io_resume,
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};
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static struct pci_driver e1000_driver = {
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	.name     = e1000_driver_name,
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	.id_table = e1000_pci_tbl,
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	.probe    = e1000_probe,
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	.remove   = e1000_remove,
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#ifdef CONFIG_PM
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	/* Power Management Hooks */
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	.suspend  = e1000_suspend,
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	.resume   = e1000_resume,
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#endif
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	.shutdown = e1000_shutdown,
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	.err_handler = &e1000_err_handler
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};
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MODULE_AUTHOR("Florian Pose <fp@igh-essen.com>");
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MODULE_DESCRIPTION("EtherCAT-capable Intel(R) PRO/1000 Network Driver");
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MODULE_LICENSE("GPL");
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MODULE_VERSION(DRV_VERSION);
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#define DEFAULT_MSG_ENABLE (NETIF_MSG_DRV|NETIF_MSG_PROBE|NETIF_MSG_LINK)
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static int debug = -1;
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module_param(debug, int, 0);
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MODULE_PARM_DESC(debug, "Debug level (0=none,...,16=all)");
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/**
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 * e1000_get_hw_dev - return device
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 * used by hardware layer to print debugging information
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 *
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 **/
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struct net_device *e1000_get_hw_dev(struct e1000_hw *hw)
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{
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	struct e1000_adapter *adapter = hw->back;
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	return adapter->netdev;
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}
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/**
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 * e1000_init_module - Driver Registration Routine
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 *
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 * e1000_init_module is the first routine called when the driver is
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 * loaded. All it does is register with the PCI subsystem.
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 **/
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static int __init e1000_init_module(void)
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{
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	int ret;
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	pr_info("%s - version %s\n", e1000_driver_string, e1000_driver_version);
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	pr_info("%s\n", e1000_copyright);
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	ret = pci_register_driver(&e1000_driver);
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	if (copybreak != COPYBREAK_DEFAULT) {
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		if (copybreak == 0)
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			pr_info("copybreak disabled\n");
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		else
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			pr_info("copybreak enabled for "
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				   "packets <= %u bytes\n", copybreak);
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	}
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	return ret;
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}
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module_init(e1000_init_module);
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/**
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 * e1000_exit_module - Driver Exit Cleanup Routine
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 *
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 * e1000_exit_module is called just before the driver is removed
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 * from memory.
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 **/
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static void __exit e1000_exit_module(void)
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{
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	pci_unregister_driver(&e1000_driver);
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}
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module_exit(e1000_exit_module);
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static int e1000_request_irq(struct e1000_adapter *adapter)
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{
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	struct net_device *netdev = adapter->netdev;
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	irq_handler_t handler = e1000_intr;
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	int irq_flags = IRQF_SHARED;
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	int err;
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	if (adapter->ecdev) {
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		return 0;
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	}
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	err = request_irq(adapter->pdev->irq, handler, irq_flags, netdev->name,
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	                  netdev);
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	if (err) {
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		e_err(probe, "Unable to allocate interrupt Error: %d\n", err);
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	}
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	return err;
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   299
}
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static void e1000_free_irq(struct e1000_adapter *adapter)
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{
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	struct net_device *netdev = adapter->netdev;
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   304
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   305
	if (adapter->ecdev) {
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		return;
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	}
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   308
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	free_irq(adapter->pdev->irq, netdev);
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}
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   311
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/**
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 * e1000_irq_disable - Mask off interrupt generation on the NIC
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 * @adapter: board private structure
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 **/
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static void e1000_irq_disable(struct e1000_adapter *adapter)
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{
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	struct e1000_hw *hw = &adapter->hw;
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   319
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   320
	if (adapter->ecdev) {
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   321
		return;
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   322
	}
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   323
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   324
	ew32(IMC, ~0);
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   325
	E1000_WRITE_FLUSH();
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   326
	synchronize_irq(adapter->pdev->irq);
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   327
}
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   328
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   329
/**
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   330
 * e1000_irq_enable - Enable default interrupt generation settings
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   331
 * @adapter: board private structure
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   332
 **/
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   333
static void e1000_irq_enable(struct e1000_adapter *adapter)
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   334
{
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   335
	struct e1000_hw *hw = &adapter->hw;
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   336
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   337
	if (adapter->ecdev) {
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   338
		return;
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   339
	}
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   340
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   341
	ew32(IMS, IMS_ENABLE_MASK);
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   342
	E1000_WRITE_FLUSH();
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   343
}
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   344
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   345
static void e1000_update_mng_vlan(struct e1000_adapter *adapter)
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   346
{
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   347
	struct e1000_hw *hw = &adapter->hw;
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   348
	struct net_device *netdev = adapter->netdev;
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   349
	u16 vid = hw->mng_cookie.vlan_id;
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   350
	u16 old_vid = adapter->mng_vlan_id;
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   351
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   352
	if (!e1000_vlan_used(adapter))
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   353
		return;
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diff changeset
   354
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   355
	if (!test_bit(vid, adapter->active_vlans)) {
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   356
		if (hw->mng_cookie.status &
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   357
		    E1000_MNG_DHCP_COOKIE_STATUS_VLAN_SUPPORT) {
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   358
			e1000_vlan_rx_add_vid(netdev, htons(ETH_P_8021Q), vid);
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   359
			adapter->mng_vlan_id = vid;
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parents:
diff changeset
   360
		} else {
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   361
			adapter->mng_vlan_id = E1000_MNG_VLAN_NONE;
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parents:
diff changeset
   362
		}
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diff changeset
   363
		if ((old_vid != (u16)E1000_MNG_VLAN_NONE) &&
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parents:
diff changeset
   364
		    (vid != old_vid) &&
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diff changeset
   365
		    !test_bit(old_vid, adapter->active_vlans))
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parents:
diff changeset
   366
			e1000_vlan_rx_kill_vid(netdev, htons(ETH_P_8021Q),
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parents:
diff changeset
   367
					       old_vid);
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diff changeset
   368
	} else {
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diff changeset
   369
		adapter->mng_vlan_id = vid;
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diff changeset
   370
	}
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parents:
diff changeset
   371
}
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parents:
diff changeset
   372
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diff changeset
   373
static void e1000_init_manageability(struct e1000_adapter *adapter)
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   374
{
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diff changeset
   375
	struct e1000_hw *hw = &adapter->hw;
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diff changeset
   376
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diff changeset
   377
	if (adapter->en_mng_pt) {
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parents:
diff changeset
   378
		u32 manc = er32(MANC);
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parents:
diff changeset
   379
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diff changeset
   380
		/* disable hardware interception of ARP */
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parents:
diff changeset
   381
		manc &= ~(E1000_MANC_ARP_EN);
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parents:
diff changeset
   382
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parents:
diff changeset
   383
		ew32(MANC, manc);
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parents:
diff changeset
   384
	}
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parents:
diff changeset
   385
}
afd76ee3aa87 Added all drivers for kernel 3.14.
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parents:
diff changeset
   386
afd76ee3aa87 Added all drivers for kernel 3.14.
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parents:
diff changeset
   387
static void e1000_release_manageability(struct e1000_adapter *adapter)
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parents:
diff changeset
   388
{
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parents:
diff changeset
   389
	struct e1000_hw *hw = &adapter->hw;
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parents:
diff changeset
   390
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parents:
diff changeset
   391
	if (adapter->en_mng_pt) {
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parents:
diff changeset
   392
		u32 manc = er32(MANC);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   393
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parents:
diff changeset
   394
		/* re-enable hardware interception of ARP */
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Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   395
		manc |= E1000_MANC_ARP_EN;
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parents:
diff changeset
   396
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   397
		ew32(MANC, manc);
afd76ee3aa87 Added all drivers for kernel 3.14.
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parents:
diff changeset
   398
	}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   399
}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   400
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   401
/**
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   402
 * e1000_configure - configure the hardware for RX and TX
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   403
 * @adapter = private board structure
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   404
 **/
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   405
static void e1000_configure(struct e1000_adapter *adapter)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   406
{
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   407
	struct net_device *netdev = adapter->netdev;
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Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   408
	int i;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   409
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   410
	e1000_set_rx_mode(netdev);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   411
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   412
	e1000_restore_vlan(adapter);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   413
	e1000_init_manageability(adapter);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   414
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   415
	e1000_configure_tx(adapter);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   416
	e1000_setup_rctl(adapter);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   417
	e1000_configure_rx(adapter);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   418
	/* call E1000_DESC_UNUSED which always leaves
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   419
	 * at least 1 descriptor unused to make sure
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   420
	 * next_to_use != next_to_clean
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   421
	 */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   422
	for (i = 0; i < adapter->num_rx_queues; i++) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   423
		struct e1000_rx_ring *ring = &adapter->rx_ring[i];
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   424
		if (adapter->ecdev) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   425
			/* fill rx ring completely! */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   426
			adapter->alloc_rx_buf(adapter, ring, ring->count);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   427
		} else {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   428
			/* this one leaves the last ring element unallocated! */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   429
			adapter->alloc_rx_buf(adapter, ring,
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   430
					E1000_DESC_UNUSED(ring));
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   431
		}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   432
	}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   433
}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   434
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   435
int e1000_up(struct e1000_adapter *adapter)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   436
{
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   437
	struct e1000_hw *hw = &adapter->hw;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   438
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   439
	/* hardware has been reset, we need to reload some things */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   440
	e1000_configure(adapter);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   441
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   442
	clear_bit(__E1000_DOWN, &adapter->flags);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   443
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   444
	if (!adapter->ecdev) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   445
		napi_enable(&adapter->napi);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   446
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   447
		e1000_irq_enable(adapter);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   448
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   449
		netif_wake_queue(adapter->netdev);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   450
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   451
		/* fire a link change interrupt to start the watchdog */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   452
		ew32(ICS, E1000_ICS_LSC);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   453
	}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   454
	return 0;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   455
}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   456
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   457
/**
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   458
 * e1000_power_up_phy - restore link in case the phy was powered down
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   459
 * @adapter: address of board private structure
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   460
 *
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   461
 * The phy may be powered down to save power and turn off link when the
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   462
 * driver is unloaded and wake on lan is not enabled (among others)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   463
 * *** this routine MUST be followed by a call to e1000_reset ***
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   464
 **/
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   465
void e1000_power_up_phy(struct e1000_adapter *adapter)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   466
{
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   467
	struct e1000_hw *hw = &adapter->hw;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   468
	u16 mii_reg = 0;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   469
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   470
	/* Just clear the power down bit to wake the phy back up */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   471
	if (hw->media_type == e1000_media_type_copper) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   472
		/* according to the manual, the phy will retain its
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   473
		 * settings across a power-down/up cycle
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   474
		 */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   475
		e1000_read_phy_reg(hw, PHY_CTRL, &mii_reg);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   476
		mii_reg &= ~MII_CR_POWER_DOWN;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   477
		e1000_write_phy_reg(hw, PHY_CTRL, mii_reg);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   478
	}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   479
}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   480
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   481
static void e1000_power_down_phy(struct e1000_adapter *adapter)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   482
{
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   483
	struct e1000_hw *hw = &adapter->hw;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   484
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   485
	/* Power down the PHY so no link is implied when interface is down *
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   486
	 * The PHY cannot be powered down if any of the following is true *
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   487
	 * (a) WoL is enabled
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   488
	 * (b) AMT is active
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   489
	 * (c) SoL/IDER session is active
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   490
	 */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   491
	if (!adapter->wol && hw->mac_type >= e1000_82540 &&
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   492
	   hw->media_type == e1000_media_type_copper) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   493
		u16 mii_reg = 0;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   494
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   495
		switch (hw->mac_type) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   496
		case e1000_82540:
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   497
		case e1000_82545:
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   498
		case e1000_82545_rev_3:
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   499
		case e1000_82546:
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   500
		case e1000_ce4100:
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   501
		case e1000_82546_rev_3:
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   502
		case e1000_82541:
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   503
		case e1000_82541_rev_2:
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   504
		case e1000_82547:
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   505
		case e1000_82547_rev_2:
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   506
			if (er32(MANC) & E1000_MANC_SMBUS_EN)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   507
				goto out;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   508
			break;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   509
		default:
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   510
			goto out;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   511
		}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   512
		e1000_read_phy_reg(hw, PHY_CTRL, &mii_reg);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   513
		mii_reg |= MII_CR_POWER_DOWN;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   514
		e1000_write_phy_reg(hw, PHY_CTRL, mii_reg);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   515
		msleep(1);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   516
	}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   517
out:
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   518
	return;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   519
}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   520
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   521
static void e1000_down_and_stop(struct e1000_adapter *adapter)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   522
{
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   523
	set_bit(__E1000_DOWN, &adapter->flags);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   524
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   525
	if (!adapter->ecdev) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   526
		cancel_delayed_work_sync(&adapter->watchdog_task);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   527
	}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   528
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   529
	/*
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   530
	 * Since the watchdog task can reschedule other tasks, we should cancel
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   531
	 * it first, otherwise we can run into the situation when a work is
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   532
	 * still running after the adapter has been turned down.
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   533
	 */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   534
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   535
	if (!adapter->ecdev) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   536
		cancel_delayed_work_sync(&adapter->phy_info_task);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   537
		cancel_delayed_work_sync(&adapter->fifo_stall_task);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   538
	}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   539
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   540
	/* Only kill reset task if adapter is not resetting */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   541
	if (!adapter->ecdev && !test_bit(__E1000_RESETTING, &adapter->flags))
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   542
		cancel_work_sync(&adapter->reset_task);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   543
}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   544
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   545
void e1000_down(struct e1000_adapter *adapter)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   546
{
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   547
	struct e1000_hw *hw = &adapter->hw;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   548
	struct net_device *netdev = adapter->netdev;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   549
	u32 rctl, tctl;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   550
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   551
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   552
	/* disable receives in the hardware */	
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   553
	rctl = er32(RCTL);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   554
	ew32(RCTL, rctl & ~E1000_RCTL_EN);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   555
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   556
	if (!adapter->ecdev) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   557
		/* flush and sleep below */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   558
		netif_tx_disable(netdev);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   559
	}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   560
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   561
	/* disable transmits in the hardware */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   562
	tctl = er32(TCTL);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   563
	tctl &= ~E1000_TCTL_EN;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   564
	ew32(TCTL, tctl);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   565
	/* flush both disables and wait for them to finish */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   566
	E1000_WRITE_FLUSH();
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   567
	msleep(10);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   568
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   569
	if (!adapter->ecdev) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   570
		napi_disable(&adapter->napi);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   571
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   572
		e1000_irq_disable(adapter);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   573
	}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   574
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   575
	/* Setting DOWN must be after irq_disable to prevent
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   576
	 * a screaming interrupt.  Setting DOWN also prevents
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   577
	 * tasks from rescheduling.
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   578
	 */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   579
	e1000_down_and_stop(adapter);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   580
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   581
	adapter->link_speed = 0;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   582
	adapter->link_duplex = 0;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   583
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   584
	if (!adapter->ecdev) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   585
		netif_carrier_off(netdev);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   586
	}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   587
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   588
	e1000_reset(adapter);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   589
	e1000_clean_all_tx_rings(adapter);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   590
	e1000_clean_all_rx_rings(adapter);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   591
}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   592
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   593
void e1000_reinit_locked(struct e1000_adapter *adapter)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   594
{
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   595
	WARN_ON(in_interrupt());
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   596
	while (test_and_set_bit(__E1000_RESETTING, &adapter->flags))
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   597
		msleep(1);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   598
	e1000_down(adapter);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   599
	e1000_up(adapter);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   600
	clear_bit(__E1000_RESETTING, &adapter->flags);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   601
}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   602
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   603
void e1000_reset(struct e1000_adapter *adapter)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   604
{
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   605
	struct e1000_hw *hw = &adapter->hw;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   606
	u32 pba = 0, tx_space, min_tx_space, min_rx_space;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   607
	bool legacy_pba_adjust = false;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   608
	u16 hwm;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   609
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   610
	/* Repartition Pba for greater than 9k mtu
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   611
	 * To take effect CTRL.RST is required.
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   612
	 */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   613
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   614
	switch (hw->mac_type) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   615
	case e1000_82542_rev2_0:
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   616
	case e1000_82542_rev2_1:
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   617
	case e1000_82543:
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   618
	case e1000_82544:
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   619
	case e1000_82540:
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   620
	case e1000_82541:
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   621
	case e1000_82541_rev_2:
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   622
		legacy_pba_adjust = true;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   623
		pba = E1000_PBA_48K;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   624
		break;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   625
	case e1000_82545:
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   626
	case e1000_82545_rev_3:
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   627
	case e1000_82546:
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   628
	case e1000_ce4100:
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   629
	case e1000_82546_rev_3:
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   630
		pba = E1000_PBA_48K;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   631
		break;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   632
	case e1000_82547:
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   633
	case e1000_82547_rev_2:
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   634
		legacy_pba_adjust = true;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   635
		pba = E1000_PBA_30K;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   636
		break;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   637
	case e1000_undefined:
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   638
	case e1000_num_macs:
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   639
		break;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   640
	}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   641
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   642
	if (legacy_pba_adjust) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   643
		if (hw->max_frame_size > E1000_RXBUFFER_8192)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   644
			pba -= 8; /* allocate more FIFO for Tx */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   645
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   646
		if (hw->mac_type == e1000_82547) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   647
			adapter->tx_fifo_head = 0;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   648
			adapter->tx_head_addr = pba << E1000_TX_HEAD_ADDR_SHIFT;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   649
			adapter->tx_fifo_size =
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   650
				(E1000_PBA_40K - pba) << E1000_PBA_BYTES_SHIFT;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   651
			atomic_set(&adapter->tx_fifo_stall, 0);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   652
		}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   653
	} else if (hw->max_frame_size >  ETH_FRAME_LEN + ETH_FCS_LEN) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   654
		/* adjust PBA for jumbo frames */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   655
		ew32(PBA, pba);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   656
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   657
		/* To maintain wire speed transmits, the Tx FIFO should be
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   658
		 * large enough to accommodate two full transmit packets,
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   659
		 * rounded up to the next 1KB and expressed in KB.  Likewise,
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   660
		 * the Rx FIFO should be large enough to accommodate at least
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   661
		 * one full receive packet and is similarly rounded up and
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   662
		 * expressed in KB.
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   663
		 */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   664
		pba = er32(PBA);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   665
		/* upper 16 bits has Tx packet buffer allocation size in KB */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   666
		tx_space = pba >> 16;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   667
		/* lower 16 bits has Rx packet buffer allocation size in KB */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   668
		pba &= 0xffff;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   669
		/* the Tx fifo also stores 16 bytes of information about the Tx
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   670
		 * but don't include ethernet FCS because hardware appends it
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   671
		 */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   672
		min_tx_space = (hw->max_frame_size +
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   673
		                sizeof(struct e1000_tx_desc) -
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   674
		                ETH_FCS_LEN) * 2;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   675
		min_tx_space = ALIGN(min_tx_space, 1024);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   676
		min_tx_space >>= 10;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   677
		/* software strips receive CRC, so leave room for it */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   678
		min_rx_space = hw->max_frame_size;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   679
		min_rx_space = ALIGN(min_rx_space, 1024);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   680
		min_rx_space >>= 10;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   681
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   682
		/* If current Tx allocation is less than the min Tx FIFO size,
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   683
		 * and the min Tx FIFO size is less than the current Rx FIFO
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   684
		 * allocation, take space away from current Rx allocation
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   685
		 */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   686
		if (tx_space < min_tx_space &&
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   687
		    ((min_tx_space - tx_space) < pba)) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   688
			pba = pba - (min_tx_space - tx_space);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   689
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   690
			/* PCI/PCIx hardware has PBA alignment constraints */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   691
			switch (hw->mac_type) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   692
			case e1000_82545 ... e1000_82546_rev_3:
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   693
				pba &= ~(E1000_PBA_8K - 1);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   694
				break;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   695
			default:
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   696
				break;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   697
			}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   698
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   699
			/* if short on Rx space, Rx wins and must trump Tx
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   700
			 * adjustment or use Early Receive if available
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   701
			 */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   702
			if (pba < min_rx_space)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   703
				pba = min_rx_space;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   704
		}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   705
	}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   706
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   707
	ew32(PBA, pba);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   708
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   709
	/* flow control settings:
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   710
	 * The high water mark must be low enough to fit one full frame
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   711
	 * (or the size used for early receive) above it in the Rx FIFO.
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   712
	 * Set it to the lower of:
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   713
	 * - 90% of the Rx FIFO size, and
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   714
	 * - the full Rx FIFO size minus the early receive size (for parts
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   715
	 *   with ERT support assuming ERT set to E1000_ERT_2048), or
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   716
	 * - the full Rx FIFO size minus one full frame
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   717
	 */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   718
	hwm = min(((pba << 10) * 9 / 10),
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   719
		  ((pba << 10) - hw->max_frame_size));
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   720
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   721
	hw->fc_high_water = hwm & 0xFFF8;	/* 8-byte granularity */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   722
	hw->fc_low_water = hw->fc_high_water - 8;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   723
	hw->fc_pause_time = E1000_FC_PAUSE_TIME;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   724
	hw->fc_send_xon = 1;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   725
	hw->fc = hw->original_fc;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   726
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   727
	/* Allow time for pending master requests to run */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   728
	e1000_reset_hw(hw);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   729
	if (hw->mac_type >= e1000_82544)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   730
		ew32(WUC, 0);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   731
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   732
	if (e1000_init_hw(hw))
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   733
		e_dev_err("Hardware Error\n");
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   734
	e1000_update_mng_vlan(adapter);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   735
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   736
	/* if (adapter->hwflags & HWFLAGS_PHY_PWR_BIT) { */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   737
	if (hw->mac_type >= e1000_82544 &&
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   738
	    hw->autoneg == 1 &&
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   739
	    hw->autoneg_advertised == ADVERTISE_1000_FULL) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   740
		u32 ctrl = er32(CTRL);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   741
		/* clear phy power management bit if we are in gig only mode,
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   742
		 * which if enabled will attempt negotiation to 100Mb, which
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   743
		 * can cause a loss of link at power off or driver unload
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   744
		 */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   745
		ctrl &= ~E1000_CTRL_SWDPIN3;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   746
		ew32(CTRL, ctrl);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   747
	}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   748
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   749
	/* Enable h/w to recognize an 802.1Q VLAN Ethernet packet */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   750
	ew32(VET, ETHERNET_IEEE_VLAN_TYPE);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   751
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   752
	e1000_reset_adaptive(hw);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   753
	e1000_phy_get_info(hw, &adapter->phy_info);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   754
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   755
	e1000_release_manageability(adapter);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   756
}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   757
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   758
/* Dump the eeprom for users having checksum issues */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   759
static void e1000_dump_eeprom(struct e1000_adapter *adapter)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   760
{
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   761
	struct net_device *netdev = adapter->netdev;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   762
	struct ethtool_eeprom eeprom;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   763
	const struct ethtool_ops *ops = netdev->ethtool_ops;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   764
	u8 *data;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   765
	int i;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   766
	u16 csum_old, csum_new = 0;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   767
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   768
	eeprom.len = ops->get_eeprom_len(netdev);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   769
	eeprom.offset = 0;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   770
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   771
	data = kmalloc(eeprom.len, GFP_KERNEL);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   772
	if (!data)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   773
		return;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   774
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   775
	ops->get_eeprom(netdev, &eeprom, data);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   776
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   777
	csum_old = (data[EEPROM_CHECKSUM_REG * 2]) +
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   778
		   (data[EEPROM_CHECKSUM_REG * 2 + 1] << 8);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   779
	for (i = 0; i < EEPROM_CHECKSUM_REG * 2; i += 2)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   780
		csum_new += data[i] + (data[i + 1] << 8);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   781
	csum_new = EEPROM_SUM - csum_new;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   782
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   783
	pr_err("/*********************/\n");
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   784
	pr_err("Current EEPROM Checksum : 0x%04x\n", csum_old);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   785
	pr_err("Calculated              : 0x%04x\n", csum_new);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   786
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   787
	pr_err("Offset    Values\n");
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   788
	pr_err("========  ======\n");
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   789
	print_hex_dump(KERN_ERR, "", DUMP_PREFIX_OFFSET, 16, 1, data, 128, 0);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   790
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   791
	pr_err("Include this output when contacting your support provider.\n");
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   792
	pr_err("This is not a software error! Something bad happened to\n");
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   793
	pr_err("your hardware or EEPROM image. Ignoring this problem could\n");
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   794
	pr_err("result in further problems, possibly loss of data,\n");
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   795
	pr_err("corruption or system hangs!\n");
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   796
	pr_err("The MAC Address will be reset to 00:00:00:00:00:00,\n");
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   797
	pr_err("which is invalid and requires you to set the proper MAC\n");
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   798
	pr_err("address manually before continuing to enable this network\n");
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   799
	pr_err("device. Please inspect the EEPROM dump and report the\n");
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   800
	pr_err("issue to your hardware vendor or Intel Customer Support.\n");
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   801
	pr_err("/*********************/\n");
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   802
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   803
	kfree(data);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   804
}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   805
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   806
/**
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   807
 * e1000_is_need_ioport - determine if an adapter needs ioport resources or not
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   808
 * @pdev: PCI device information struct
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   809
 *
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   810
 * Return true if an adapter needs ioport resources
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   811
 **/
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   812
static int e1000_is_need_ioport(struct pci_dev *pdev)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   813
{
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   814
	switch (pdev->device) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   815
	case E1000_DEV_ID_82540EM:
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   816
	case E1000_DEV_ID_82540EM_LOM:
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   817
	case E1000_DEV_ID_82540EP:
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   818
	case E1000_DEV_ID_82540EP_LOM:
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   819
	case E1000_DEV_ID_82540EP_LP:
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   820
	case E1000_DEV_ID_82541EI:
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   821
	case E1000_DEV_ID_82541EI_MOBILE:
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   822
	case E1000_DEV_ID_82541ER:
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   823
	case E1000_DEV_ID_82541ER_LOM:
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   824
	case E1000_DEV_ID_82541GI:
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   825
	case E1000_DEV_ID_82541GI_LF:
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   826
	case E1000_DEV_ID_82541GI_MOBILE:
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   827
	case E1000_DEV_ID_82544EI_COPPER:
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   828
	case E1000_DEV_ID_82544EI_FIBER:
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   829
	case E1000_DEV_ID_82544GC_COPPER:
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   830
	case E1000_DEV_ID_82544GC_LOM:
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   831
	case E1000_DEV_ID_82545EM_COPPER:
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   832
	case E1000_DEV_ID_82545EM_FIBER:
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   833
	case E1000_DEV_ID_82546EB_COPPER:
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   834
	case E1000_DEV_ID_82546EB_FIBER:
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   835
	case E1000_DEV_ID_82546EB_QUAD_COPPER:
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   836
		return true;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   837
	default:
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   838
		return false;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   839
	}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   840
}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   841
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   842
static netdev_features_t e1000_fix_features(struct net_device *netdev,
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   843
	netdev_features_t features)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   844
{
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   845
	/* Since there is no support for separate Rx/Tx vlan accel
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   846
	 * enable/disable make sure Tx flag is always in same state as Rx.
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   847
	 */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   848
	if (features & NETIF_F_HW_VLAN_CTAG_RX)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   849
		features |= NETIF_F_HW_VLAN_CTAG_TX;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   850
	else
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   851
		features &= ~NETIF_F_HW_VLAN_CTAG_TX;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   852
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   853
	return features;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   854
}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   855
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   856
static int e1000_set_features(struct net_device *netdev,
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   857
	netdev_features_t features)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   858
{
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   859
	struct e1000_adapter *adapter = netdev_priv(netdev);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   860
	netdev_features_t changed = features ^ netdev->features;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   861
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   862
	if (changed & NETIF_F_HW_VLAN_CTAG_RX)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   863
		e1000_vlan_mode(netdev, features);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   864
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   865
	if (!(changed & (NETIF_F_RXCSUM | NETIF_F_RXALL)))
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   866
		return 0;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   867
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   868
	netdev->features = features;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   869
	adapter->rx_csum = !!(features & NETIF_F_RXCSUM);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   870
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   871
	if (netif_running(netdev))
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   872
		e1000_reinit_locked(adapter);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   873
	else
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   874
		e1000_reset(adapter);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   875
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   876
	return 0;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   877
}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   878
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   879
static const struct net_device_ops e1000_netdev_ops = {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   880
	.ndo_open		= e1000_open,
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   881
	.ndo_stop		= e1000_close,
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   882
	.ndo_start_xmit		= e1000_xmit_frame,
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   883
	.ndo_get_stats		= e1000_get_stats,
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   884
	.ndo_set_rx_mode	= e1000_set_rx_mode,
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   885
	.ndo_set_mac_address	= e1000_set_mac,
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   886
	.ndo_tx_timeout		= e1000_tx_timeout,
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   887
	.ndo_change_mtu		= e1000_change_mtu,
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   888
	.ndo_do_ioctl		= e1000_ioctl,
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   889
	.ndo_validate_addr	= eth_validate_addr,
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   890
	.ndo_vlan_rx_add_vid	= e1000_vlan_rx_add_vid,
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   891
	.ndo_vlan_rx_kill_vid	= e1000_vlan_rx_kill_vid,
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   892
#ifdef CONFIG_NET_POLL_CONTROLLER
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   893
	.ndo_poll_controller	= e1000_netpoll,
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   894
#endif
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   895
	.ndo_fix_features	= e1000_fix_features,
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   896
	.ndo_set_features	= e1000_set_features,
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   897
};
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   898
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   899
/**
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   900
 * e1000_init_hw_struct - initialize members of hw struct
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   901
 * @adapter: board private struct
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   902
 * @hw: structure used by e1000_hw.c
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   903
 *
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   904
 * Factors out initialization of the e1000_hw struct to its own function
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   905
 * that can be called very early at init (just after struct allocation).
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   906
 * Fields are initialized based on PCI device information and
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   907
 * OS network device settings (MTU size).
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   908
 * Returns negative error codes if MAC type setup fails.
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   909
 */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   910
static int e1000_init_hw_struct(struct e1000_adapter *adapter,
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   911
				struct e1000_hw *hw)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   912
{
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   913
	struct pci_dev *pdev = adapter->pdev;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   914
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   915
	/* PCI config space info */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   916
	hw->vendor_id = pdev->vendor;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   917
	hw->device_id = pdev->device;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   918
	hw->subsystem_vendor_id = pdev->subsystem_vendor;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   919
	hw->subsystem_id = pdev->subsystem_device;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   920
	hw->revision_id = pdev->revision;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   921
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   922
	pci_read_config_word(pdev, PCI_COMMAND, &hw->pci_cmd_word);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   923
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   924
	hw->max_frame_size = adapter->netdev->mtu +
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   925
			     ENET_HEADER_SIZE + ETHERNET_FCS_SIZE;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   926
	hw->min_frame_size = MINIMUM_ETHERNET_FRAME_SIZE;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   927
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   928
	/* identify the MAC */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   929
	if (e1000_set_mac_type(hw)) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   930
		e_err(probe, "Unknown MAC Type\n");
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   931
		return -EIO;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   932
	}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   933
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   934
	switch (hw->mac_type) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   935
	default:
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   936
		break;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   937
	case e1000_82541:
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   938
	case e1000_82547:
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   939
	case e1000_82541_rev_2:
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   940
	case e1000_82547_rev_2:
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   941
		hw->phy_init_script = 1;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   942
		break;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   943
	}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   944
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   945
	e1000_set_media_type(hw);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   946
	e1000_get_bus_info(hw);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   947
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   948
	hw->wait_autoneg_complete = false;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   949
	hw->tbi_compatibility_en = true;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   950
	hw->adaptive_ifs = true;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   951
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   952
	/* Copper options */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   953
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   954
	if (hw->media_type == e1000_media_type_copper) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   955
		hw->mdix = AUTO_ALL_MODES;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   956
		hw->disable_polarity_correction = false;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   957
		hw->master_slave = E1000_MASTER_SLAVE;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   958
	}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   959
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   960
	return 0;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   961
}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   962
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   963
/**
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   964
 * e1000_probe - Device Initialization Routine
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   965
 * @pdev: PCI device information struct
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   966
 * @ent: entry in e1000_pci_tbl
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   967
 *
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   968
 * Returns 0 on success, negative on failure
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   969
 *
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   970
 * e1000_probe initializes an adapter identified by a pci_dev structure.
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   971
 * The OS initialization, configuring of the adapter private structure,
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   972
 * and a hardware reset occur.
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   973
 **/
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   974
static int e1000_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   975
{
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   976
	struct net_device *netdev;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   977
	struct e1000_adapter *adapter;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   978
	struct e1000_hw *hw;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   979
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   980
	static int cards_found = 0;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   981
	static int global_quad_port_a = 0; /* global ksp3 port a indication */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   982
	int i, err, pci_using_dac;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   983
	u16 eeprom_data = 0;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   984
	u16 tmp = 0;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   985
	u16 eeprom_apme_mask = E1000_EEPROM_APME;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   986
	int bars, need_ioport;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   987
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   988
	/* do not allocate ioport bars when not needed */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   989
	need_ioport = e1000_is_need_ioport(pdev);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   990
	if (need_ioport) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   991
		bars = pci_select_bars(pdev, IORESOURCE_MEM | IORESOURCE_IO);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   992
		err = pci_enable_device(pdev);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   993
	} else {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   994
		bars = pci_select_bars(pdev, IORESOURCE_MEM);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   995
		err = pci_enable_device_mem(pdev);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   996
	}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   997
	if (err)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   998
		return err;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   999
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1000
	err = pci_request_selected_regions(pdev, bars, e1000_driver_name);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1001
	if (err)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1002
		goto err_pci_reg;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1003
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1004
	pci_set_master(pdev);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1005
	err = pci_save_state(pdev);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1006
	if (err)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1007
		goto err_alloc_etherdev;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1008
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1009
	err = -ENOMEM;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1010
	netdev = alloc_etherdev(sizeof(struct e1000_adapter));
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1011
	if (!netdev)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1012
		goto err_alloc_etherdev;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1013
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1014
	SET_NETDEV_DEV(netdev, &pdev->dev);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1015
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1016
	pci_set_drvdata(pdev, netdev);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1017
	adapter = netdev_priv(netdev);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1018
	adapter->netdev = netdev;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1019
	adapter->pdev = pdev;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1020
	adapter->msg_enable = netif_msg_init(debug, DEFAULT_MSG_ENABLE);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1021
	adapter->bars = bars;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1022
	adapter->need_ioport = need_ioport;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1023
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1024
	hw = &adapter->hw;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1025
	hw->back = adapter;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1026
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1027
	err = -EIO;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1028
	hw->hw_addr = pci_ioremap_bar(pdev, BAR_0);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1029
	if (!hw->hw_addr)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1030
		goto err_ioremap;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1031
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1032
	if (adapter->need_ioport) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1033
		for (i = BAR_1; i <= BAR_5; i++) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1034
			if (pci_resource_len(pdev, i) == 0)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1035
				continue;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1036
			if (pci_resource_flags(pdev, i) & IORESOURCE_IO) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1037
				hw->io_base = pci_resource_start(pdev, i);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1038
				break;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1039
			}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1040
		}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1041
	}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1042
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1043
	/* make ready for any if (hw->...) below */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1044
	err = e1000_init_hw_struct(adapter, hw);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1045
	if (err)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1046
		goto err_sw_init;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1047
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1048
	/* there is a workaround being applied below that limits
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1049
	 * 64-bit DMA addresses to 64-bit hardware.  There are some
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1050
	 * 32-bit adapters that Tx hang when given 64-bit DMA addresses
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1051
	 */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1052
	pci_using_dac = 0;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1053
	if ((hw->bus_type == e1000_bus_type_pcix) &&
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1054
	    !dma_set_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(64))) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1055
		pci_using_dac = 1;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1056
	} else {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1057
		err = dma_set_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(32));
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1058
		if (err) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1059
			pr_err("No usable DMA config, aborting\n");
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1060
			goto err_dma;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1061
		}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1062
	}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1063
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1064
	netdev->netdev_ops = &e1000_netdev_ops;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1065
	e1000_set_ethtool_ops(netdev);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1066
	netdev->watchdog_timeo = 5 * HZ;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1067
	netif_napi_add(netdev, &adapter->napi, e1000_clean, 64);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1068
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1069
	strncpy(netdev->name, pci_name(pdev), sizeof(netdev->name) - 1);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1070
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1071
	adapter->bd_number = cards_found;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1072
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1073
	/* setup the private structure */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1074
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1075
	err = e1000_sw_init(adapter);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1076
	if (err)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1077
		goto err_sw_init;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1078
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1079
	err = -EIO;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1080
	if (hw->mac_type == e1000_ce4100) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1081
		hw->ce4100_gbe_mdio_base_virt =
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1082
					ioremap(pci_resource_start(pdev, BAR_1),
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1083
		                                pci_resource_len(pdev, BAR_1));
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1084
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1085
		if (!hw->ce4100_gbe_mdio_base_virt)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1086
			goto err_mdio_ioremap;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1087
	}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1088
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1089
	if (hw->mac_type >= e1000_82543) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1090
		netdev->hw_features = NETIF_F_SG |
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1091
				   NETIF_F_HW_CSUM |
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1092
				   NETIF_F_HW_VLAN_CTAG_RX;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1093
		netdev->features = NETIF_F_HW_VLAN_CTAG_TX |
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1094
				   NETIF_F_HW_VLAN_CTAG_FILTER;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1095
	}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1096
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1097
	if ((hw->mac_type >= e1000_82544) &&
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1098
	   (hw->mac_type != e1000_82547))
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1099
		netdev->hw_features |= NETIF_F_TSO;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1100
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1101
	netdev->priv_flags |= IFF_SUPP_NOFCS;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1102
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1103
	netdev->features |= netdev->hw_features;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1104
	netdev->hw_features |= (NETIF_F_RXCSUM |
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1105
				NETIF_F_RXALL |
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1106
				NETIF_F_RXFCS);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1107
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1108
	if (pci_using_dac) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1109
		netdev->features |= NETIF_F_HIGHDMA;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1110
		netdev->vlan_features |= NETIF_F_HIGHDMA;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1111
	}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1112
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1113
	netdev->vlan_features |= (NETIF_F_TSO |
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1114
				  NETIF_F_HW_CSUM |
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1115
				  NETIF_F_SG);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1116
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1117
	netdev->priv_flags |= IFF_UNICAST_FLT;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1118
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1119
	adapter->en_mng_pt = e1000_enable_mng_pass_thru(hw);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1120
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1121
	/* initialize eeprom parameters */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1122
	if (e1000_init_eeprom_params(hw)) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1123
		e_err(probe, "EEPROM initialization failed\n");
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1124
		goto err_eeprom;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1125
	}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1126
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1127
	/* before reading the EEPROM, reset the controller to
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1128
	 * put the device in a known good starting state
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1129
	 */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1130
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1131
	e1000_reset_hw(hw);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1132
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1133
	/* make sure the EEPROM is good */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1134
	if (e1000_validate_eeprom_checksum(hw) < 0) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1135
		e_err(probe, "The EEPROM Checksum Is Not Valid\n");
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1136
		e1000_dump_eeprom(adapter);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1137
		/* set MAC address to all zeroes to invalidate and temporary
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1138
		 * disable this device for the user. This blocks regular
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1139
		 * traffic while still permitting ethtool ioctls from reaching
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1140
		 * the hardware as well as allowing the user to run the
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1141
		 * interface after manually setting a hw addr using
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1142
		 * `ip set address`
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1143
		 */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1144
		memset(hw->mac_addr, 0, netdev->addr_len);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1145
	} else {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1146
		/* copy the MAC address out of the EEPROM */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1147
		if (e1000_read_mac_addr(hw))
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1148
			e_err(probe, "EEPROM Read Error\n");
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1149
	}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1150
	/* don't block initalization here due to bad MAC address */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1151
	memcpy(netdev->dev_addr, hw->mac_addr, netdev->addr_len);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1152
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1153
	if (!is_valid_ether_addr(netdev->dev_addr))
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1154
		e_err(probe, "Invalid MAC Address\n");
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1155
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1156
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1157
	INIT_DELAYED_WORK(&adapter->watchdog_task, e1000_watchdog);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1158
	INIT_DELAYED_WORK(&adapter->fifo_stall_task,
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1159
			  e1000_82547_tx_fifo_stall_task);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1160
	INIT_DELAYED_WORK(&adapter->phy_info_task, e1000_update_phy_info_task);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1161
	INIT_WORK(&adapter->reset_task, e1000_reset_task);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1162
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1163
	e1000_check_options(adapter);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1164
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1165
	/* Initial Wake on LAN setting
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1166
	 * If APM wake is enabled in the EEPROM,
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1167
	 * enable the ACPI Magic Packet filter
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1168
	 */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1169
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1170
	switch (hw->mac_type) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1171
	case e1000_82542_rev2_0:
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1172
	case e1000_82542_rev2_1:
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1173
	case e1000_82543:
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1174
		break;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1175
	case e1000_82544:
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1176
		e1000_read_eeprom(hw,
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1177
			EEPROM_INIT_CONTROL2_REG, 1, &eeprom_data);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1178
		eeprom_apme_mask = E1000_EEPROM_82544_APM;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1179
		break;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1180
	case e1000_82546:
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1181
	case e1000_82546_rev_3:
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1182
		if (er32(STATUS) & E1000_STATUS_FUNC_1){
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1183
			e1000_read_eeprom(hw,
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1184
				EEPROM_INIT_CONTROL3_PORT_B, 1, &eeprom_data);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1185
			break;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1186
		}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1187
		/* Fall Through */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1188
	default:
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1189
		e1000_read_eeprom(hw,
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1190
			EEPROM_INIT_CONTROL3_PORT_A, 1, &eeprom_data);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1191
		break;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1192
	}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1193
	if (eeprom_data & eeprom_apme_mask)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1194
		adapter->eeprom_wol |= E1000_WUFC_MAG;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1195
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1196
	/* now that we have the eeprom settings, apply the special cases
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1197
	 * where the eeprom may be wrong or the board simply won't support
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1198
	 * wake on lan on a particular port
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1199
	 */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1200
	switch (pdev->device) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1201
	case E1000_DEV_ID_82546GB_PCIE:
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1202
		adapter->eeprom_wol = 0;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1203
		break;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1204
	case E1000_DEV_ID_82546EB_FIBER:
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1205
	case E1000_DEV_ID_82546GB_FIBER:
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1206
		/* Wake events only supported on port A for dual fiber
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1207
		 * regardless of eeprom setting
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1208
		 */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1209
		if (er32(STATUS) & E1000_STATUS_FUNC_1)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1210
			adapter->eeprom_wol = 0;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1211
		break;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1212
	case E1000_DEV_ID_82546GB_QUAD_COPPER_KSP3:
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1213
		/* if quad port adapter, disable WoL on all but port A */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1214
		if (global_quad_port_a != 0)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1215
			adapter->eeprom_wol = 0;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1216
		else
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1217
			adapter->quad_port_a = true;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1218
		/* Reset for multiple quad port adapters */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1219
		if (++global_quad_port_a == 4)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1220
			global_quad_port_a = 0;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1221
		break;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1222
	}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1223
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1224
	/* initialize the wol settings based on the eeprom settings */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1225
	adapter->wol = adapter->eeprom_wol;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1226
	device_set_wakeup_enable(&adapter->pdev->dev, adapter->wol);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1227
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1228
	/* Auto detect PHY address */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1229
	if (hw->mac_type == e1000_ce4100) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1230
		for (i = 0; i < 32; i++) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1231
			hw->phy_addr = i;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1232
			e1000_read_phy_reg(hw, PHY_ID2, &tmp);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1233
			if (tmp == 0 || tmp == 0xFF) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1234
				if (i == 31)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1235
					goto err_eeprom;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1236
				continue;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1237
			} else
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1238
				break;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1239
		}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1240
	}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1241
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1242
	/* reset the hardware with the new settings */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1243
	e1000_reset(adapter);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1244
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1245
 	// offer device to EtherCAT master module
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1246
	adapter->ecdev = ecdev_offer(netdev, ec_poll, THIS_MODULE);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1247
	if (adapter->ecdev) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1248
		err = ecdev_open(adapter->ecdev);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1249
		if (err) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1250
			ecdev_withdraw(adapter->ecdev);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1251
			goto err_register;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1252
		}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1253
	} else {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1254
		strcpy(netdev->name, "eth%d");
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1255
		err = register_netdev(netdev);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1256
		if (err)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1257
			goto err_register;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1258
	}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1259
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1260
	e1000_vlan_filter_on_off(adapter, false);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1261
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1262
	/* print bus type/speed/width info */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1263
	e_info(probe, "(PCI%s:%dMHz:%d-bit) %pM\n",
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1264
	       ((hw->bus_type == e1000_bus_type_pcix) ? "-X" : ""),
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1265
	       ((hw->bus_speed == e1000_bus_speed_133) ? 133 :
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1266
		(hw->bus_speed == e1000_bus_speed_120) ? 120 :
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1267
		(hw->bus_speed == e1000_bus_speed_100) ? 100 :
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1268
		(hw->bus_speed == e1000_bus_speed_66) ? 66 : 33),
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1269
	       ((hw->bus_width == e1000_bus_width_64) ? 64 : 32),
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1270
	       netdev->dev_addr);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1271
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1272
	if (!adapter->ecdev) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1273
		/* carrier off reporting is important to ethtool even BEFORE open */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1274
		netif_carrier_off(netdev);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1275
	}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1276
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1277
	e_info(probe, "Intel(R) PRO/1000 Network Connection\n");
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1278
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1279
	cards_found++;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1280
	return 0;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1281
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1282
err_register:
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1283
err_eeprom:
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1284
	e1000_phy_hw_reset(hw);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1285
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1286
	if (hw->flash_address)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1287
		iounmap(hw->flash_address);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1288
	kfree(adapter->tx_ring);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1289
	kfree(adapter->rx_ring);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1290
err_dma:
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1291
err_sw_init:
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1292
err_mdio_ioremap:
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1293
	iounmap(hw->ce4100_gbe_mdio_base_virt);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1294
	iounmap(hw->hw_addr);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1295
err_ioremap:
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1296
	free_netdev(netdev);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1297
err_alloc_etherdev:
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1298
	pci_release_selected_regions(pdev, bars);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1299
err_pci_reg:
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1300
	pci_disable_device(pdev);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1301
	return err;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1302
}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1303
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1304
/**
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1305
 * e1000_remove - Device Removal Routine
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1306
 * @pdev: PCI device information struct
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1307
 *
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1308
 * e1000_remove is called by the PCI subsystem to alert the driver
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1309
 * that it should release a PCI device.  The could be caused by a
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1310
 * Hot-Plug event, or because the driver is going to be removed from
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1311
 * memory.
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1312
 **/
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1313
static void e1000_remove(struct pci_dev *pdev)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1314
{
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1315
	struct net_device *netdev = pci_get_drvdata(pdev);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1316
	struct e1000_adapter *adapter = netdev_priv(netdev);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1317
	struct e1000_hw *hw = &adapter->hw;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1318
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1319
	e1000_down_and_stop(adapter);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1320
	e1000_release_manageability(adapter);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1321
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1322
	if (adapter->ecdev) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1323
		ecdev_close(adapter->ecdev);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1324
		ecdev_withdraw(adapter->ecdev);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1325
	} else {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1326
		unregister_netdev(netdev);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1327
	}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1328
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1329
	e1000_phy_hw_reset(hw);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1330
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1331
	kfree(adapter->tx_ring);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1332
	kfree(adapter->rx_ring);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1333
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1334
	if (hw->mac_type == e1000_ce4100)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1335
		iounmap(hw->ce4100_gbe_mdio_base_virt);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1336
	iounmap(hw->hw_addr);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1337
	if (hw->flash_address)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1338
		iounmap(hw->flash_address);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1339
	pci_release_selected_regions(pdev, adapter->bars);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1340
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1341
	free_netdev(netdev);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1342
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1343
	pci_disable_device(pdev);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1344
}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1345
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1346
/**
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1347
 * e1000_sw_init - Initialize general software structures (struct e1000_adapter)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1348
 * @adapter: board private structure to initialize
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1349
 *
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1350
 * e1000_sw_init initializes the Adapter private data structure.
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1351
 * e1000_init_hw_struct MUST be called before this function
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1352
 **/
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1353
static int e1000_sw_init(struct e1000_adapter *adapter)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1354
{
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1355
	adapter->rx_buffer_len = MAXIMUM_ETHERNET_VLAN_SIZE;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1356
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1357
	adapter->num_tx_queues = 1;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1358
	adapter->num_rx_queues = 1;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1359
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1360
	if (e1000_alloc_queues(adapter)) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1361
		e_err(probe, "Unable to allocate memory for queues\n");
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1362
		return -ENOMEM;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1363
	}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1364
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1365
	/* Explicitly disable IRQ since the NIC can be in any state. */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1366
	e1000_irq_disable(adapter);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1367
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1368
	spin_lock_init(&adapter->stats_lock);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1369
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1370
	set_bit(__E1000_DOWN, &adapter->flags);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1371
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1372
	return 0;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1373
}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1374
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1375
/**
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1376
 * e1000_alloc_queues - Allocate memory for all rings
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1377
 * @adapter: board private structure to initialize
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1378
 *
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1379
 * We allocate one ring per queue at run-time since we don't know the
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1380
 * number of queues at compile-time.
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1381
 **/
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1382
static int e1000_alloc_queues(struct e1000_adapter *adapter)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1383
{
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1384
	adapter->tx_ring = kcalloc(adapter->num_tx_queues,
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1385
	                           sizeof(struct e1000_tx_ring), GFP_KERNEL);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1386
	if (!adapter->tx_ring)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1387
		return -ENOMEM;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1388
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1389
	adapter->rx_ring = kcalloc(adapter->num_rx_queues,
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1390
	                           sizeof(struct e1000_rx_ring), GFP_KERNEL);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1391
	if (!adapter->rx_ring) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1392
		kfree(adapter->tx_ring);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1393
		return -ENOMEM;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1394
	}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1395
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1396
	return E1000_SUCCESS;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1397
}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1398
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1399
/**
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1400
 * e1000_open - Called when a network interface is made active
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1401
 * @netdev: network interface device structure
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1402
 *
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1403
 * Returns 0 on success, negative value on failure
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1404
 *
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1405
 * The open entry point is called when a network interface is made
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1406
 * active by the system (IFF_UP).  At this point all resources needed
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1407
 * for transmit and receive operations are allocated, the interrupt
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1408
 * handler is registered with the OS, the watchdog task is started,
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1409
 * and the stack is notified that the interface is ready.
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1410
 **/
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1411
static int e1000_open(struct net_device *netdev)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1412
{
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1413
	struct e1000_adapter *adapter = netdev_priv(netdev);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1414
	struct e1000_hw *hw = &adapter->hw;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1415
	int err;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1416
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1417
	/* disallow open during test */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1418
	if (test_bit(__E1000_TESTING, &adapter->flags))
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1419
		return -EBUSY;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1420
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1421
	netif_carrier_off(netdev);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1422
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1423
	/* allocate transmit descriptors */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1424
	err = e1000_setup_all_tx_resources(adapter);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1425
	if (err)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1426
		goto err_setup_tx;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1427
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1428
	/* allocate receive descriptors */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1429
	err = e1000_setup_all_rx_resources(adapter);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1430
	if (err)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1431
		goto err_setup_rx;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1432
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1433
	e1000_power_up_phy(adapter);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1434
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1435
	adapter->mng_vlan_id = E1000_MNG_VLAN_NONE;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1436
	if ((hw->mng_cookie.status &
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1437
			  E1000_MNG_DHCP_COOKIE_STATUS_VLAN_SUPPORT)) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1438
		e1000_update_mng_vlan(adapter);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1439
	}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1440
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1441
	/* before we allocate an interrupt, we must be ready to handle it.
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1442
	 * Setting DEBUG_SHIRQ in the kernel makes it fire an interrupt
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1443
	 * as soon as we call pci_request_irq, so we have to setup our
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1444
	 * clean_rx handler before we do so.
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1445
	 */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1446
	e1000_configure(adapter);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1447
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1448
	err = e1000_request_irq(adapter);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1449
	if (err)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1450
		goto err_req_irq;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1451
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1452
	/* From here on the code is the same as e1000_up() */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1453
	clear_bit(__E1000_DOWN, &adapter->flags);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1454
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1455
	if (!adapter->ecdev) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1456
		napi_enable(&adapter->napi);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1457
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1458
		e1000_irq_enable(adapter);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1459
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1460
		netif_start_queue(netdev);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1461
	}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1462
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1463
	/* fire a link status change interrupt to start the watchdog */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1464
	ew32(ICS, E1000_ICS_LSC);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1465
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1466
	return E1000_SUCCESS;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1467
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1468
err_req_irq:
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1469
	e1000_power_down_phy(adapter);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1470
	e1000_free_all_rx_resources(adapter);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1471
err_setup_rx:
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1472
	e1000_free_all_tx_resources(adapter);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1473
err_setup_tx:
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1474
	e1000_reset(adapter);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1475
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1476
	return err;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1477
}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1478
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1479
/**
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1480
 * e1000_close - Disables a network interface
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1481
 * @netdev: network interface device structure
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1482
 *
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1483
 * Returns 0, this is not allowed to fail
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1484
 *
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1485
 * The close entry point is called when an interface is de-activated
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1486
 * by the OS.  The hardware is still under the drivers control, but
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1487
 * needs to be disabled.  A global MAC reset is issued to stop the
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1488
 * hardware, and all transmit and receive resources are freed.
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1489
 **/
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1490
static int e1000_close(struct net_device *netdev)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1491
{
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1492
	struct e1000_adapter *adapter = netdev_priv(netdev);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1493
	struct e1000_hw *hw = &adapter->hw;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1494
	int count = E1000_CHECK_RESET_COUNT;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1495
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1496
	while (test_bit(__E1000_RESETTING, &adapter->flags) && count--)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1497
		usleep_range(10000, 20000);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1498
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1499
	WARN_ON(test_bit(__E1000_RESETTING, &adapter->flags));
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1500
	e1000_down(adapter);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1501
	e1000_power_down_phy(adapter);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1502
	e1000_free_irq(adapter);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1503
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1504
	e1000_free_all_tx_resources(adapter);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1505
	e1000_free_all_rx_resources(adapter);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1506
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1507
	/* kill manageability vlan ID if supported, but not if a vlan with
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1508
	 * the same ID is registered on the host OS (let 8021q kill it)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1509
	 */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1510
	if ((hw->mng_cookie.status &
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1511
	     E1000_MNG_DHCP_COOKIE_STATUS_VLAN_SUPPORT) &&
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1512
	    !test_bit(adapter->mng_vlan_id, adapter->active_vlans)) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1513
		e1000_vlan_rx_kill_vid(netdev, htons(ETH_P_8021Q),
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1514
				       adapter->mng_vlan_id);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1515
	}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1516
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1517
	return 0;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1518
}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1519
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1520
/**
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1521
 * e1000_check_64k_bound - check that memory doesn't cross 64kB boundary
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1522
 * @adapter: address of board private structure
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1523
 * @start: address of beginning of memory
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1524
 * @len: length of memory
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1525
 **/
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1526
static bool e1000_check_64k_bound(struct e1000_adapter *adapter, void *start,
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1527
				  unsigned long len)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1528
{
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1529
	struct e1000_hw *hw = &adapter->hw;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1530
	unsigned long begin = (unsigned long)start;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1531
	unsigned long end = begin + len;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1532
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1533
	/* First rev 82545 and 82546 need to not allow any memory
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1534
	 * write location to cross 64k boundary due to errata 23
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1535
	 */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1536
	if (hw->mac_type == e1000_82545 ||
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1537
	    hw->mac_type == e1000_ce4100 ||
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1538
	    hw->mac_type == e1000_82546) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1539
		return ((begin ^ (end - 1)) >> 16) != 0 ? false : true;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1540
	}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1541
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1542
	return true;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1543
}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1544
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1545
/**
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1546
 * e1000_setup_tx_resources - allocate Tx resources (Descriptors)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1547
 * @adapter: board private structure
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1548
 * @txdr:    tx descriptor ring (for a specific queue) to setup
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1549
 *
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1550
 * Return 0 on success, negative on failure
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1551
 **/
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1552
static int e1000_setup_tx_resources(struct e1000_adapter *adapter,
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1553
				    struct e1000_tx_ring *txdr)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1554
{
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1555
	struct pci_dev *pdev = adapter->pdev;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1556
	int size;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1557
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1558
	size = sizeof(struct e1000_buffer) * txdr->count;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1559
	txdr->buffer_info = vzalloc(size);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1560
	if (!txdr->buffer_info)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1561
		return -ENOMEM;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1562
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1563
	/* round up to nearest 4K */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1564
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1565
	txdr->size = txdr->count * sizeof(struct e1000_tx_desc);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1566
	txdr->size = ALIGN(txdr->size, 4096);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1567
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1568
	txdr->desc = dma_alloc_coherent(&pdev->dev, txdr->size, &txdr->dma,
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1569
					GFP_KERNEL);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1570
	if (!txdr->desc) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1571
setup_tx_desc_die:
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1572
		vfree(txdr->buffer_info);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1573
		return -ENOMEM;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1574
	}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1575
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1576
	/* Fix for errata 23, can't cross 64kB boundary */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1577
	if (!e1000_check_64k_bound(adapter, txdr->desc, txdr->size)) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1578
		void *olddesc = txdr->desc;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1579
		dma_addr_t olddma = txdr->dma;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1580
		e_err(tx_err, "txdr align check failed: %u bytes at %p\n",
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1581
		      txdr->size, txdr->desc);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1582
		/* Try again, without freeing the previous */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1583
		txdr->desc = dma_alloc_coherent(&pdev->dev, txdr->size,
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1584
						&txdr->dma, GFP_KERNEL);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1585
		/* Failed allocation, critical failure */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1586
		if (!txdr->desc) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1587
			dma_free_coherent(&pdev->dev, txdr->size, olddesc,
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1588
					  olddma);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1589
			goto setup_tx_desc_die;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1590
		}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1591
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1592
		if (!e1000_check_64k_bound(adapter, txdr->desc, txdr->size)) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1593
			/* give up */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1594
			dma_free_coherent(&pdev->dev, txdr->size, txdr->desc,
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1595
					  txdr->dma);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1596
			dma_free_coherent(&pdev->dev, txdr->size, olddesc,
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1597
					  olddma);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1598
			e_err(probe, "Unable to allocate aligned memory "
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1599
			      "for the transmit descriptor ring\n");
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1600
			vfree(txdr->buffer_info);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1601
			return -ENOMEM;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1602
		} else {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1603
			/* Free old allocation, new allocation was successful */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1604
			dma_free_coherent(&pdev->dev, txdr->size, olddesc,
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1605
					  olddma);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1606
		}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1607
	}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1608
	memset(txdr->desc, 0, txdr->size);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1609
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1610
	txdr->next_to_use = 0;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1611
	txdr->next_to_clean = 0;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1612
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1613
	return 0;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1614
}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1615
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1616
/**
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1617
 * e1000_setup_all_tx_resources - wrapper to allocate Tx resources
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1618
 * 				  (Descriptors) for all queues
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1619
 * @adapter: board private structure
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1620
 *
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1621
 * Return 0 on success, negative on failure
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1622
 **/
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1623
int e1000_setup_all_tx_resources(struct e1000_adapter *adapter)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1624
{
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1625
	int i, err = 0;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1626
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1627
	for (i = 0; i < adapter->num_tx_queues; i++) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1628
		err = e1000_setup_tx_resources(adapter, &adapter->tx_ring[i]);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1629
		if (err) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1630
			e_err(probe, "Allocation for Tx Queue %u failed\n", i);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1631
			for (i-- ; i >= 0; i--)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1632
				e1000_free_tx_resources(adapter,
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1633
							&adapter->tx_ring[i]);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1634
			break;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1635
		}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1636
	}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1637
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1638
	return err;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1639
}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1640
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1641
/**
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1642
 * e1000_configure_tx - Configure 8254x Transmit Unit after Reset
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1643
 * @adapter: board private structure
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1644
 *
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1645
 * Configure the Tx unit of the MAC after a reset.
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1646
 **/
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1647
static void e1000_configure_tx(struct e1000_adapter *adapter)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1648
{
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1649
	u64 tdba;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1650
	struct e1000_hw *hw = &adapter->hw;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1651
	u32 tdlen, tctl, tipg;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1652
	u32 ipgr1, ipgr2;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1653
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1654
	/* Setup the HW Tx Head and Tail descriptor pointers */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1655
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1656
	switch (adapter->num_tx_queues) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1657
	case 1:
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1658
	default:
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1659
		tdba = adapter->tx_ring[0].dma;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1660
		tdlen = adapter->tx_ring[0].count *
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1661
			sizeof(struct e1000_tx_desc);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1662
		ew32(TDLEN, tdlen);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1663
		ew32(TDBAH, (tdba >> 32));
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1664
		ew32(TDBAL, (tdba & 0x00000000ffffffffULL));
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1665
		ew32(TDT, 0);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1666
		ew32(TDH, 0);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1667
		adapter->tx_ring[0].tdh = ((hw->mac_type >= e1000_82543) ?
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1668
					   E1000_TDH : E1000_82542_TDH);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1669
		adapter->tx_ring[0].tdt = ((hw->mac_type >= e1000_82543) ?
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1670
					   E1000_TDT : E1000_82542_TDT);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1671
		break;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1672
	}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1673
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1674
	/* Set the default values for the Tx Inter Packet Gap timer */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1675
	if ((hw->media_type == e1000_media_type_fiber ||
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1676
	     hw->media_type == e1000_media_type_internal_serdes))
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1677
		tipg = DEFAULT_82543_TIPG_IPGT_FIBER;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1678
	else
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1679
		tipg = DEFAULT_82543_TIPG_IPGT_COPPER;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1680
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1681
	switch (hw->mac_type) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1682
	case e1000_82542_rev2_0:
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1683
	case e1000_82542_rev2_1:
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1684
		tipg = DEFAULT_82542_TIPG_IPGT;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1685
		ipgr1 = DEFAULT_82542_TIPG_IPGR1;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1686
		ipgr2 = DEFAULT_82542_TIPG_IPGR2;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1687
		break;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1688
	default:
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1689
		ipgr1 = DEFAULT_82543_TIPG_IPGR1;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1690
		ipgr2 = DEFAULT_82543_TIPG_IPGR2;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1691
		break;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1692
	}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1693
	tipg |= ipgr1 << E1000_TIPG_IPGR1_SHIFT;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1694
	tipg |= ipgr2 << E1000_TIPG_IPGR2_SHIFT;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1695
	ew32(TIPG, tipg);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1696
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1697
	/* Set the Tx Interrupt Delay register */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1698
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1699
	ew32(TIDV, adapter->tx_int_delay);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1700
	if (hw->mac_type >= e1000_82540)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1701
		ew32(TADV, adapter->tx_abs_int_delay);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1702
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1703
	/* Program the Transmit Control Register */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1704
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1705
	tctl = er32(TCTL);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1706
	tctl &= ~E1000_TCTL_CT;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1707
	tctl |= E1000_TCTL_PSP | E1000_TCTL_RTLC |
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1708
		(E1000_COLLISION_THRESHOLD << E1000_CT_SHIFT);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1709
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1710
	e1000_config_collision_dist(hw);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1711
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1712
	/* Setup Transmit Descriptor Settings for eop descriptor */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1713
	adapter->txd_cmd = E1000_TXD_CMD_EOP | E1000_TXD_CMD_IFCS;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1714
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1715
	/* only set IDE if we are delaying interrupts using the timers */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1716
	if (adapter->tx_int_delay)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1717
		adapter->txd_cmd |= E1000_TXD_CMD_IDE;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1718
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1719
	if (hw->mac_type < e1000_82543)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1720
		adapter->txd_cmd |= E1000_TXD_CMD_RPS;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1721
	else
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1722
		adapter->txd_cmd |= E1000_TXD_CMD_RS;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1723
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1724
	/* Cache if we're 82544 running in PCI-X because we'll
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1725
	 * need this to apply a workaround later in the send path.
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1726
	 */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1727
	if (hw->mac_type == e1000_82544 &&
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1728
	    hw->bus_type == e1000_bus_type_pcix)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1729
		adapter->pcix_82544 = true;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1730
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1731
	ew32(TCTL, tctl);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1732
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1733
}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1734
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1735
/**
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1736
 * e1000_setup_rx_resources - allocate Rx resources (Descriptors)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1737
 * @adapter: board private structure
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1738
 * @rxdr:    rx descriptor ring (for a specific queue) to setup
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1739
 *
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1740
 * Returns 0 on success, negative on failure
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1741
 **/
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1742
static int e1000_setup_rx_resources(struct e1000_adapter *adapter,
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1743
				    struct e1000_rx_ring *rxdr)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1744
{
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1745
	struct pci_dev *pdev = adapter->pdev;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1746
	int size, desc_len;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1747
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1748
	size = sizeof(struct e1000_buffer) * rxdr->count;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1749
	rxdr->buffer_info = vzalloc(size);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1750
	if (!rxdr->buffer_info)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1751
		return -ENOMEM;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1752
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1753
	desc_len = sizeof(struct e1000_rx_desc);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1754
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1755
	/* Round up to nearest 4K */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1756
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1757
	rxdr->size = rxdr->count * desc_len;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1758
	rxdr->size = ALIGN(rxdr->size, 4096);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1759
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1760
	rxdr->desc = dma_alloc_coherent(&pdev->dev, rxdr->size, &rxdr->dma,
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1761
					GFP_KERNEL);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1762
	if (!rxdr->desc) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1763
setup_rx_desc_die:
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1764
		vfree(rxdr->buffer_info);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1765
		return -ENOMEM;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1766
	}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1767
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1768
	/* Fix for errata 23, can't cross 64kB boundary */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1769
	if (!e1000_check_64k_bound(adapter, rxdr->desc, rxdr->size)) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1770
		void *olddesc = rxdr->desc;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1771
		dma_addr_t olddma = rxdr->dma;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1772
		e_err(rx_err, "rxdr align check failed: %u bytes at %p\n",
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1773
		      rxdr->size, rxdr->desc);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1774
		/* Try again, without freeing the previous */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1775
		rxdr->desc = dma_alloc_coherent(&pdev->dev, rxdr->size,
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1776
						&rxdr->dma, GFP_KERNEL);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1777
		/* Failed allocation, critical failure */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1778
		if (!rxdr->desc) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1779
			dma_free_coherent(&pdev->dev, rxdr->size, olddesc,
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1780
					  olddma);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1781
			goto setup_rx_desc_die;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1782
		}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1783
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1784
		if (!e1000_check_64k_bound(adapter, rxdr->desc, rxdr->size)) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1785
			/* give up */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1786
			dma_free_coherent(&pdev->dev, rxdr->size, rxdr->desc,
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1787
					  rxdr->dma);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1788
			dma_free_coherent(&pdev->dev, rxdr->size, olddesc,
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1789
					  olddma);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1790
			e_err(probe, "Unable to allocate aligned memory for "
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1791
			      "the Rx descriptor ring\n");
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1792
			goto setup_rx_desc_die;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1793
		} else {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1794
			/* Free old allocation, new allocation was successful */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1795
			dma_free_coherent(&pdev->dev, rxdr->size, olddesc,
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1796
					  olddma);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1797
		}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1798
	}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1799
	memset(rxdr->desc, 0, rxdr->size);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1800
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1801
	rxdr->next_to_clean = 0;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1802
	rxdr->next_to_use = 0;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1803
	rxdr->rx_skb_top = NULL;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1804
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1805
	return 0;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1806
}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1807
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1808
/**
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1809
 * e1000_setup_all_rx_resources - wrapper to allocate Rx resources
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1810
 * 				  (Descriptors) for all queues
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1811
 * @adapter: board private structure
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1812
 *
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1813
 * Return 0 on success, negative on failure
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1814
 **/
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1815
int e1000_setup_all_rx_resources(struct e1000_adapter *adapter)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1816
{
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1817
	int i, err = 0;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1818
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1819
	for (i = 0; i < adapter->num_rx_queues; i++) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1820
		err = e1000_setup_rx_resources(adapter, &adapter->rx_ring[i]);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1821
		if (err) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1822
			e_err(probe, "Allocation for Rx Queue %u failed\n", i);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1823
			for (i-- ; i >= 0; i--)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1824
				e1000_free_rx_resources(adapter,
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1825
							&adapter->rx_ring[i]);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1826
			break;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1827
		}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1828
	}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1829
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1830
	return err;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1831
}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1832
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1833
/**
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1834
 * e1000_setup_rctl - configure the receive control registers
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1835
 * @adapter: Board private structure
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1836
 **/
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1837
static void e1000_setup_rctl(struct e1000_adapter *adapter)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1838
{
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1839
	struct e1000_hw *hw = &adapter->hw;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1840
	u32 rctl;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1841
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1842
	rctl = er32(RCTL);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1843
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1844
	rctl &= ~(3 << E1000_RCTL_MO_SHIFT);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1845
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1846
	rctl |= E1000_RCTL_BAM | E1000_RCTL_LBM_NO |
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1847
		E1000_RCTL_RDMTS_HALF |
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1848
		(hw->mc_filter_type << E1000_RCTL_MO_SHIFT);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1849
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1850
	if (hw->tbi_compatibility_on == 1)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1851
		rctl |= E1000_RCTL_SBP;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1852
	else
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1853
		rctl &= ~E1000_RCTL_SBP;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1854
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1855
	if (adapter->netdev->mtu <= ETH_DATA_LEN)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1856
		rctl &= ~E1000_RCTL_LPE;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1857
	else
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1858
		rctl |= E1000_RCTL_LPE;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1859
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1860
	/* Setup buffer sizes */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1861
	rctl &= ~E1000_RCTL_SZ_4096;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1862
	rctl |= E1000_RCTL_BSEX;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1863
	switch (adapter->rx_buffer_len) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1864
		case E1000_RXBUFFER_2048:
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1865
		default:
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1866
			rctl |= E1000_RCTL_SZ_2048;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1867
			rctl &= ~E1000_RCTL_BSEX;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1868
			break;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1869
		case E1000_RXBUFFER_4096:
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1870
			rctl |= E1000_RCTL_SZ_4096;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1871
			break;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1872
		case E1000_RXBUFFER_8192:
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1873
			rctl |= E1000_RCTL_SZ_8192;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1874
			break;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1875
		case E1000_RXBUFFER_16384:
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1876
			rctl |= E1000_RCTL_SZ_16384;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1877
			break;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1878
	}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1879
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1880
	/* This is useful for sniffing bad packets. */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1881
	if (adapter->netdev->features & NETIF_F_RXALL) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1882
		/* UPE and MPE will be handled by normal PROMISC logic
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1883
		 * in e1000e_set_rx_mode
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1884
		 */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1885
		rctl |= (E1000_RCTL_SBP | /* Receive bad packets */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1886
			 E1000_RCTL_BAM | /* RX All Bcast Pkts */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1887
			 E1000_RCTL_PMCF); /* RX All MAC Ctrl Pkts */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1888
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1889
		rctl &= ~(E1000_RCTL_VFE | /* Disable VLAN filter */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1890
			  E1000_RCTL_DPF | /* Allow filtered pause */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1891
			  E1000_RCTL_CFIEN); /* Dis VLAN CFIEN Filter */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1892
		/* Do not mess with E1000_CTRL_VME, it affects transmit as well,
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1893
		 * and that breaks VLANs.
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1894
		 */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1895
	}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1896
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1897
	ew32(RCTL, rctl);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1898
}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1899
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1900
/**
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1901
 * e1000_configure_rx - Configure 8254x Receive Unit after Reset
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1902
 * @adapter: board private structure
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1903
 *
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1904
 * Configure the Rx unit of the MAC after a reset.
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1905
 **/
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1906
static void e1000_configure_rx(struct e1000_adapter *adapter)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1907
{
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1908
	u64 rdba;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1909
	struct e1000_hw *hw = &adapter->hw;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1910
	u32 rdlen, rctl, rxcsum;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1911
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1912
	if (adapter->netdev->mtu > ETH_DATA_LEN) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1913
		rdlen = adapter->rx_ring[0].count *
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1914
		        sizeof(struct e1000_rx_desc);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1915
		adapter->clean_rx = e1000_clean_jumbo_rx_irq;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1916
		adapter->alloc_rx_buf = e1000_alloc_jumbo_rx_buffers;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1917
	} else {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1918
		rdlen = adapter->rx_ring[0].count *
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1919
		        sizeof(struct e1000_rx_desc);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1920
		adapter->clean_rx = e1000_clean_rx_irq;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1921
		adapter->alloc_rx_buf = e1000_alloc_rx_buffers;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1922
	}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1923
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1924
	/* disable receives while setting up the descriptors */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1925
	rctl = er32(RCTL);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1926
	ew32(RCTL, rctl & ~E1000_RCTL_EN);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1927
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1928
	/* set the Receive Delay Timer Register */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1929
	ew32(RDTR, adapter->rx_int_delay);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1930
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1931
	if (hw->mac_type >= e1000_82540) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1932
		ew32(RADV, adapter->rx_abs_int_delay);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1933
		if (adapter->itr_setting != 0)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1934
			ew32(ITR, 1000000000 / (adapter->itr * 256));
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1935
	}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1936
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1937
	/* Setup the HW Rx Head and Tail Descriptor Pointers and
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1938
	 * the Base and Length of the Rx Descriptor Ring
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1939
	 */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1940
	switch (adapter->num_rx_queues) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1941
	case 1:
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1942
	default:
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1943
		rdba = adapter->rx_ring[0].dma;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1944
		ew32(RDLEN, rdlen);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1945
		ew32(RDBAH, (rdba >> 32));
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1946
		ew32(RDBAL, (rdba & 0x00000000ffffffffULL));
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1947
		ew32(RDT, 0);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1948
		ew32(RDH, 0);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1949
		adapter->rx_ring[0].rdh = ((hw->mac_type >= e1000_82543) ?
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1950
					   E1000_RDH : E1000_82542_RDH);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1951
		adapter->rx_ring[0].rdt = ((hw->mac_type >= e1000_82543) ?
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1952
					   E1000_RDT : E1000_82542_RDT);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1953
		break;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1954
	}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1955
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1956
	/* Enable 82543 Receive Checksum Offload for TCP and UDP */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1957
	if (hw->mac_type >= e1000_82543) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1958
		rxcsum = er32(RXCSUM);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1959
		if (adapter->rx_csum)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1960
			rxcsum |= E1000_RXCSUM_TUOFL;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1961
		else
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1962
			/* don't need to clear IPPCSE as it defaults to 0 */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1963
			rxcsum &= ~E1000_RXCSUM_TUOFL;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1964
		ew32(RXCSUM, rxcsum);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1965
	}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1966
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1967
	/* Enable Receives */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1968
	ew32(RCTL, rctl | E1000_RCTL_EN);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1969
}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1970
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1971
/**
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1972
 * e1000_free_tx_resources - Free Tx Resources per Queue
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1973
 * @adapter: board private structure
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1974
 * @tx_ring: Tx descriptor ring for a specific queue
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1975
 *
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1976
 * Free all transmit software resources
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1977
 **/
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1978
static void e1000_free_tx_resources(struct e1000_adapter *adapter,
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1979
				    struct e1000_tx_ring *tx_ring)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1980
{
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1981
	struct pci_dev *pdev = adapter->pdev;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1982
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1983
	e1000_clean_tx_ring(adapter, tx_ring);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1984
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1985
	vfree(tx_ring->buffer_info);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1986
	tx_ring->buffer_info = NULL;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1987
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1988
	dma_free_coherent(&pdev->dev, tx_ring->size, tx_ring->desc,
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1989
			  tx_ring->dma);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1990
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1991
	tx_ring->desc = NULL;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1992
}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1993
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1994
/**
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1995
 * e1000_free_all_tx_resources - Free Tx Resources for All Queues
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1996
 * @adapter: board private structure
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1997
 *
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1998
 * Free all transmit software resources
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1999
 **/
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2000
void e1000_free_all_tx_resources(struct e1000_adapter *adapter)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2001
{
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2002
	int i;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2003
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2004
	for (i = 0; i < adapter->num_tx_queues; i++)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2005
		e1000_free_tx_resources(adapter, &adapter->tx_ring[i]);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2006
}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2007
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2008
static void e1000_unmap_and_free_tx_resource(struct e1000_adapter *adapter,
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2009
					     struct e1000_buffer *buffer_info)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2010
{
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2011
	if (adapter->ecdev) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2012
		return;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2013
	}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2014
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2015
	if (buffer_info->dma) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2016
		if (buffer_info->mapped_as_page)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2017
			dma_unmap_page(&adapter->pdev->dev, buffer_info->dma,
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2018
				       buffer_info->length, DMA_TO_DEVICE);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2019
		else
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2020
			dma_unmap_single(&adapter->pdev->dev, buffer_info->dma,
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2021
					 buffer_info->length,
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2022
					 DMA_TO_DEVICE);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2023
		buffer_info->dma = 0;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2024
	}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2025
	if (buffer_info->skb) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2026
		dev_kfree_skb_any(buffer_info->skb);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2027
		buffer_info->skb = NULL;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2028
	}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2029
	buffer_info->time_stamp = 0;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2030
	/* buffer_info must be completely set up in the transmit path */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2031
}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2032
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2033
/**
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2034
 * e1000_clean_tx_ring - Free Tx Buffers
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2035
 * @adapter: board private structure
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2036
 * @tx_ring: ring to be cleaned
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2037
 **/
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2038
static void e1000_clean_tx_ring(struct e1000_adapter *adapter,
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2039
				struct e1000_tx_ring *tx_ring)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2040
{
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2041
	struct e1000_hw *hw = &adapter->hw;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2042
	struct e1000_buffer *buffer_info;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2043
	unsigned long size;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2044
	unsigned int i;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2045
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2046
	/* Free all the Tx ring sk_buffs */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2047
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2048
	for (i = 0; i < tx_ring->count; i++) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2049
		buffer_info = &tx_ring->buffer_info[i];
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2050
		e1000_unmap_and_free_tx_resource(adapter, buffer_info);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2051
	}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2052
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2053
	netdev_reset_queue(adapter->netdev);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2054
	size = sizeof(struct e1000_buffer) * tx_ring->count;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2055
	memset(tx_ring->buffer_info, 0, size);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2056
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2057
	/* Zero out the descriptor ring */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2058
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2059
	memset(tx_ring->desc, 0, tx_ring->size);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2060
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2061
	tx_ring->next_to_use = 0;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2062
	tx_ring->next_to_clean = 0;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2063
	tx_ring->last_tx_tso = false;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2064
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2065
	writel(0, hw->hw_addr + tx_ring->tdh);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2066
	writel(0, hw->hw_addr + tx_ring->tdt);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2067
}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2068
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2069
/**
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2070
 * e1000_clean_all_tx_rings - Free Tx Buffers for all queues
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2071
 * @adapter: board private structure
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2072
 **/
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2073
static void e1000_clean_all_tx_rings(struct e1000_adapter *adapter)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2074
{
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2075
	int i;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2076
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2077
	for (i = 0; i < adapter->num_tx_queues; i++)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2078
		e1000_clean_tx_ring(adapter, &adapter->tx_ring[i]);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2079
}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2080
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2081
/**
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2082
 * e1000_free_rx_resources - Free Rx Resources
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2083
 * @adapter: board private structure
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2084
 * @rx_ring: ring to clean the resources from
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2085
 *
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2086
 * Free all receive software resources
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2087
 **/
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2088
static void e1000_free_rx_resources(struct e1000_adapter *adapter,
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2089
				    struct e1000_rx_ring *rx_ring)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2090
{
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2091
	struct pci_dev *pdev = adapter->pdev;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2092
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2093
	e1000_clean_rx_ring(adapter, rx_ring);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2094
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2095
	vfree(rx_ring->buffer_info);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2096
	rx_ring->buffer_info = NULL;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2097
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2098
	dma_free_coherent(&pdev->dev, rx_ring->size, rx_ring->desc,
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2099
			  rx_ring->dma);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2100
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2101
	rx_ring->desc = NULL;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2102
}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2103
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2104
/**
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2105
 * e1000_free_all_rx_resources - Free Rx Resources for All Queues
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2106
 * @adapter: board private structure
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2107
 *
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2108
 * Free all receive software resources
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2109
 **/
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2110
void e1000_free_all_rx_resources(struct e1000_adapter *adapter)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2111
{
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2112
	int i;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2113
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2114
	for (i = 0; i < adapter->num_rx_queues; i++)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2115
		e1000_free_rx_resources(adapter, &adapter->rx_ring[i]);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2116
}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2117
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2118
/**
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2119
 * e1000_clean_rx_ring - Free Rx Buffers per Queue
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2120
 * @adapter: board private structure
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2121
 * @rx_ring: ring to free buffers from
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2122
 **/
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2123
static void e1000_clean_rx_ring(struct e1000_adapter *adapter,
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2124
				struct e1000_rx_ring *rx_ring)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2125
{
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2126
	struct e1000_hw *hw = &adapter->hw;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2127
	struct e1000_buffer *buffer_info;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2128
	struct pci_dev *pdev = adapter->pdev;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2129
	unsigned long size;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2130
	unsigned int i;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2131
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2132
	/* Free all the Rx ring sk_buffs */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2133
	for (i = 0; i < rx_ring->count; i++) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2134
		buffer_info = &rx_ring->buffer_info[i];
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2135
		if (buffer_info->dma &&
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2136
		    adapter->clean_rx == e1000_clean_rx_irq) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2137
			dma_unmap_single(&pdev->dev, buffer_info->dma,
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2138
			                 buffer_info->length,
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2139
					 DMA_FROM_DEVICE);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2140
		} else if (buffer_info->dma &&
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2141
		           adapter->clean_rx == e1000_clean_jumbo_rx_irq) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2142
			dma_unmap_page(&pdev->dev, buffer_info->dma,
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2143
				       buffer_info->length,
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2144
				       DMA_FROM_DEVICE);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2145
		}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2146
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2147
		buffer_info->dma = 0;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2148
		if (buffer_info->page) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2149
			put_page(buffer_info->page);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2150
			buffer_info->page = NULL;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2151
		}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2152
		if (buffer_info->skb) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2153
			dev_kfree_skb(buffer_info->skb);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2154
			buffer_info->skb = NULL;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2155
		}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2156
	}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2157
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2158
	/* there also may be some cached data from a chained receive */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2159
	if (rx_ring->rx_skb_top) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2160
		dev_kfree_skb(rx_ring->rx_skb_top);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2161
		rx_ring->rx_skb_top = NULL;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2162
	}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2163
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2164
	size = sizeof(struct e1000_buffer) * rx_ring->count;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2165
	memset(rx_ring->buffer_info, 0, size);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2166
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2167
	/* Zero out the descriptor ring */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2168
	memset(rx_ring->desc, 0, rx_ring->size);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2169
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2170
	rx_ring->next_to_clean = 0;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2171
	rx_ring->next_to_use = 0;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2172
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2173
	writel(0, hw->hw_addr + rx_ring->rdh);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2174
	writel(0, hw->hw_addr + rx_ring->rdt);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2175
}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2176
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2177
/**
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2178
 * e1000_clean_all_rx_rings - Free Rx Buffers for all queues
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2179
 * @adapter: board private structure
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2180
 **/
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2181
static void e1000_clean_all_rx_rings(struct e1000_adapter *adapter)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2182
{
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2183
	int i;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2184
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2185
	for (i = 0; i < adapter->num_rx_queues; i++)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2186
		e1000_clean_rx_ring(adapter, &adapter->rx_ring[i]);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2187
}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2188
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2189
/* The 82542 2.0 (revision 2) needs to have the receive unit in reset
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2190
 * and memory write and invalidate disabled for certain operations
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2191
 */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2192
static void e1000_enter_82542_rst(struct e1000_adapter *adapter)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2193
{
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2194
	struct e1000_hw *hw = &adapter->hw;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2195
	struct net_device *netdev = adapter->netdev;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2196
	u32 rctl;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2197
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2198
	e1000_pci_clear_mwi(hw);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2199
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2200
	rctl = er32(RCTL);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2201
	rctl |= E1000_RCTL_RST;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2202
	ew32(RCTL, rctl);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2203
	E1000_WRITE_FLUSH();
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2204
	mdelay(5);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2205
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2206
	if (!adapter->ecdev && netif_running(netdev))
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2207
		e1000_clean_all_rx_rings(adapter);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2208
}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2209
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2210
static void e1000_leave_82542_rst(struct e1000_adapter *adapter)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2211
{
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2212
	struct e1000_hw *hw = &adapter->hw;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2213
	struct net_device *netdev = adapter->netdev;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2214
	u32 rctl;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2215
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2216
	rctl = er32(RCTL);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2217
	rctl &= ~E1000_RCTL_RST;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2218
	ew32(RCTL, rctl);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2219
	E1000_WRITE_FLUSH();
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2220
	mdelay(5);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2221
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2222
	if (hw->pci_cmd_word & PCI_COMMAND_INVALIDATE)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2223
		e1000_pci_set_mwi(hw);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2224
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2225
	if (!adapter->netdev && netif_running(netdev)) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2226
		/* No need to loop, because 82542 supports only 1 queue */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2227
		struct e1000_rx_ring *ring = &adapter->rx_ring[0];
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2228
		e1000_configure_rx(adapter);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2229
		if (adapter->ecdev) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2230
			/* fill rx ring completely! */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2231
			adapter->alloc_rx_buf(adapter, ring, ring->count);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2232
		} else {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2233
			/* this one leaves the last ring element unallocated! */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2234
			adapter->alloc_rx_buf(adapter, ring, E1000_DESC_UNUSED(ring));
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2235
		}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2236
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2237
	}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2238
}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2239
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2240
/**
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2241
 * e1000_set_mac - Change the Ethernet Address of the NIC
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2242
 * @netdev: network interface device structure
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2243
 * @p: pointer to an address structure
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2244
 *
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2245
 * Returns 0 on success, negative on failure
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2246
 **/
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2247
static int e1000_set_mac(struct net_device *netdev, void *p)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2248
{
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2249
	struct e1000_adapter *adapter = netdev_priv(netdev);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2250
	struct e1000_hw *hw = &adapter->hw;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2251
	struct sockaddr *addr = p;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2252
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2253
	if (!is_valid_ether_addr(addr->sa_data))
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2254
		return -EADDRNOTAVAIL;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2255
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2256
	/* 82542 2.0 needs to be in reset to write receive address registers */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2257
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2258
	if (hw->mac_type == e1000_82542_rev2_0)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2259
		e1000_enter_82542_rst(adapter);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2260
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2261
	memcpy(netdev->dev_addr, addr->sa_data, netdev->addr_len);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2262
	memcpy(hw->mac_addr, addr->sa_data, netdev->addr_len);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2263
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2264
	e1000_rar_set(hw, hw->mac_addr, 0);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2265
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2266
	if (hw->mac_type == e1000_82542_rev2_0)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2267
		e1000_leave_82542_rst(adapter);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2268
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2269
	return 0;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2270
}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2271
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2272
/**
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2273
 * e1000_set_rx_mode - Secondary Unicast, Multicast and Promiscuous mode set
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2274
 * @netdev: network interface device structure
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2275
 *
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2276
 * The set_rx_mode entry point is called whenever the unicast or multicast
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2277
 * address lists or the network interface flags are updated. This routine is
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2278
 * responsible for configuring the hardware for proper unicast, multicast,
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2279
 * promiscuous mode, and all-multi behavior.
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2280
 **/
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2281
static void e1000_set_rx_mode(struct net_device *netdev)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2282
{
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2283
	struct e1000_adapter *adapter = netdev_priv(netdev);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2284
	struct e1000_hw *hw = &adapter->hw;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2285
	struct netdev_hw_addr *ha;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2286
	bool use_uc = false;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2287
	u32 rctl;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2288
	u32 hash_value;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2289
	int i, rar_entries = E1000_RAR_ENTRIES;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2290
	int mta_reg_count = E1000_NUM_MTA_REGISTERS;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2291
	u32 *mcarray = kcalloc(mta_reg_count, sizeof(u32), GFP_ATOMIC);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2292
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2293
	if (!mcarray)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2294
		return;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2295
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2296
	/* Check for Promiscuous and All Multicast modes */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2297
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2298
	rctl = er32(RCTL);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2299
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2300
	if (netdev->flags & IFF_PROMISC) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2301
		rctl |= (E1000_RCTL_UPE | E1000_RCTL_MPE);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2302
		rctl &= ~E1000_RCTL_VFE;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2303
	} else {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2304
		if (netdev->flags & IFF_ALLMULTI)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2305
			rctl |= E1000_RCTL_MPE;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2306
		else
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2307
			rctl &= ~E1000_RCTL_MPE;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2308
		/* Enable VLAN filter if there is a VLAN */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2309
		if (e1000_vlan_used(adapter))
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2310
			rctl |= E1000_RCTL_VFE;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2311
	}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2312
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2313
	if (netdev_uc_count(netdev) > rar_entries - 1) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2314
		rctl |= E1000_RCTL_UPE;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2315
	} else if (!(netdev->flags & IFF_PROMISC)) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2316
		rctl &= ~E1000_RCTL_UPE;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2317
		use_uc = true;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2318
	}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2319
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2320
	ew32(RCTL, rctl);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2321
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2322
	/* 82542 2.0 needs to be in reset to write receive address registers */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2323
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2324
	if (hw->mac_type == e1000_82542_rev2_0)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2325
		e1000_enter_82542_rst(adapter);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2326
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2327
	/* load the first 14 addresses into the exact filters 1-14. Unicast
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2328
	 * addresses take precedence to avoid disabling unicast filtering
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2329
	 * when possible.
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2330
	 *
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2331
	 * RAR 0 is used for the station MAC address
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2332
	 * if there are not 14 addresses, go ahead and clear the filters
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2333
	 */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2334
	i = 1;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2335
	if (use_uc)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2336
		netdev_for_each_uc_addr(ha, netdev) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2337
			if (i == rar_entries)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2338
				break;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2339
			e1000_rar_set(hw, ha->addr, i++);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2340
		}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2341
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2342
	netdev_for_each_mc_addr(ha, netdev) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2343
		if (i == rar_entries) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2344
			/* load any remaining addresses into the hash table */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2345
			u32 hash_reg, hash_bit, mta;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2346
			hash_value = e1000_hash_mc_addr(hw, ha->addr);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2347
			hash_reg = (hash_value >> 5) & 0x7F;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2348
			hash_bit = hash_value & 0x1F;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2349
			mta = (1 << hash_bit);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2350
			mcarray[hash_reg] |= mta;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2351
		} else {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2352
			e1000_rar_set(hw, ha->addr, i++);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2353
		}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2354
	}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2355
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2356
	for (; i < rar_entries; i++) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2357
		E1000_WRITE_REG_ARRAY(hw, RA, i << 1, 0);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2358
		E1000_WRITE_FLUSH();
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2359
		E1000_WRITE_REG_ARRAY(hw, RA, (i << 1) + 1, 0);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2360
		E1000_WRITE_FLUSH();
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2361
	}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2362
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2363
	/* write the hash table completely, write from bottom to avoid
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2364
	 * both stupid write combining chipsets, and flushing each write
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2365
	 */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2366
	for (i = mta_reg_count - 1; i >= 0 ; i--) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2367
		/* If we are on an 82544 has an errata where writing odd
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2368
		 * offsets overwrites the previous even offset, but writing
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2369
		 * backwards over the range solves the issue by always
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2370
		 * writing the odd offset first
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2371
		 */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2372
		E1000_WRITE_REG_ARRAY(hw, MTA, i, mcarray[i]);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2373
	}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2374
	E1000_WRITE_FLUSH();
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2375
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2376
	if (hw->mac_type == e1000_82542_rev2_0)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2377
		e1000_leave_82542_rst(adapter);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2378
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2379
	kfree(mcarray);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2380
}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2381
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2382
/**
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2383
 * e1000_update_phy_info_task - get phy info
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2384
 * @work: work struct contained inside adapter struct
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2385
 *
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2386
 * Need to wait a few seconds after link up to get diagnostic information from
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2387
 * the phy
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2388
 */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2389
static void e1000_update_phy_info_task(struct work_struct *work)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2390
{
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2391
	struct e1000_adapter *adapter = container_of(work,
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2392
						     struct e1000_adapter,
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2393
						     phy_info_task.work);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2394
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2395
	e1000_phy_get_info(&adapter->hw, &adapter->phy_info);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2396
}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2397
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2398
/**
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2399
 * e1000_82547_tx_fifo_stall_task - task to complete work
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2400
 * @work: work struct contained inside adapter struct
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2401
 **/
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2402
static void e1000_82547_tx_fifo_stall_task(struct work_struct *work)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2403
{
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2404
	struct e1000_adapter *adapter = container_of(work,
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2405
						     struct e1000_adapter,
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2406
						     fifo_stall_task.work);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2407
	struct e1000_hw *hw = &adapter->hw;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2408
	struct net_device *netdev = adapter->netdev;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2409
	u32 tctl;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2410
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2411
	if (atomic_read(&adapter->tx_fifo_stall)) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2412
		if ((er32(TDT) == er32(TDH)) &&
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2413
		   (er32(TDFT) == er32(TDFH)) &&
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2414
		   (er32(TDFTS) == er32(TDFHS))) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2415
			tctl = er32(TCTL);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2416
			ew32(TCTL, tctl & ~E1000_TCTL_EN);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2417
			ew32(TDFT, adapter->tx_head_addr);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2418
			ew32(TDFH, adapter->tx_head_addr);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2419
			ew32(TDFTS, adapter->tx_head_addr);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2420
			ew32(TDFHS, adapter->tx_head_addr);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2421
			ew32(TCTL, tctl);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2422
			E1000_WRITE_FLUSH();
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2423
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2424
			adapter->tx_fifo_head = 0;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2425
			atomic_set(&adapter->tx_fifo_stall, 0);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2426
			netif_wake_queue(netdev);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2427
		} else if (!test_bit(__E1000_DOWN, &adapter->flags)) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2428
			schedule_delayed_work(&adapter->fifo_stall_task, 1);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2429
		}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2430
	}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2431
}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2432
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2433
bool e1000_has_link(struct e1000_adapter *adapter)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2434
{
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2435
	struct e1000_hw *hw = &adapter->hw;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2436
	bool link_active = false;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2437
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2438
	/* get_link_status is set on LSC (link status) interrupt or rx
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2439
	 * sequence error interrupt (except on intel ce4100).
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2440
	 * get_link_status will stay false until the
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2441
	 * e1000_check_for_link establishes link for copper adapters
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2442
	 * ONLY
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2443
	 */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2444
	switch (hw->media_type) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2445
	case e1000_media_type_copper:
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2446
		if (hw->mac_type == e1000_ce4100)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2447
			hw->get_link_status = 1;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2448
		if (hw->get_link_status) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2449
			e1000_check_for_link(hw);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2450
			link_active = !hw->get_link_status;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2451
		} else {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2452
			link_active = true;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2453
		}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2454
		break;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2455
	case e1000_media_type_fiber:
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2456
		e1000_check_for_link(hw);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2457
		link_active = !!(er32(STATUS) & E1000_STATUS_LU);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2458
		break;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2459
	case e1000_media_type_internal_serdes:
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2460
		e1000_check_for_link(hw);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2461
		link_active = hw->serdes_has_link;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2462
		break;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2463
	default:
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2464
		break;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2465
	}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2466
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2467
	return link_active;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2468
}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2469
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2470
/**
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2471
 * e1000_watchdog - work function
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2472
 * @work: work struct contained inside adapter struct
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2473
 **/
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2474
static void e1000_watchdog(struct work_struct *work)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2475
{
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2476
	struct e1000_adapter *adapter = container_of(work,
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2477
						     struct e1000_adapter,
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2478
						     watchdog_task.work);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2479
	struct e1000_hw *hw = &adapter->hw;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2480
	struct net_device *netdev = adapter->netdev;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2481
	struct e1000_tx_ring *txdr = adapter->tx_ring;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2482
	u32 link, tctl;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2483
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2484
	link = e1000_has_link(adapter);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2485
	if (!adapter->ecdev && (netif_carrier_ok(netdev)) && link)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2486
		goto link_up;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2487
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2488
	if (link) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2489
		if ((adapter->ecdev && !ecdev_get_link(adapter->ecdev))
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2490
				|| (!adapter->ecdev && !netif_carrier_ok(netdev))) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2491
			u32 ctrl;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2492
			bool txb2b __attribute__ ((unused)) = true;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2493
			/* update snapshot of PHY registers on LSC */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2494
			e1000_get_speed_and_duplex(hw,
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2495
						   &adapter->link_speed,
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2496
						   &adapter->link_duplex);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2497
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2498
			ctrl = er32(CTRL);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2499
			pr_info("%s NIC Link is Up %d Mbps %s, "
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2500
				"Flow Control: %s\n",
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2501
				netdev->name,
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2502
				adapter->link_speed,
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2503
				adapter->link_duplex == FULL_DUPLEX ?
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2504
				"Full Duplex" : "Half Duplex",
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2505
				((ctrl & E1000_CTRL_TFCE) && (ctrl &
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2506
				E1000_CTRL_RFCE)) ? "RX/TX" : ((ctrl &
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2507
				E1000_CTRL_RFCE) ? "RX" : ((ctrl &
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2508
				E1000_CTRL_TFCE) ? "TX" : "None")));
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2509
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2510
			/* adjust timeout factor according to speed/duplex */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2511
			adapter->tx_timeout_factor = 1;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2512
			switch (adapter->link_speed) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2513
			case SPEED_10:
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2514
				txb2b = false;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2515
				adapter->tx_timeout_factor = 16;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2516
				break;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2517
			case SPEED_100:
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2518
				txb2b = false;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2519
				/* maybe add some timeout factor ? */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2520
				break;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2521
			}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2522
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2523
			/* enable transmits in the hardware */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2524
			tctl = er32(TCTL);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2525
			tctl |= E1000_TCTL_EN;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2526
			ew32(TCTL, tctl);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2527
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2528
			if (adapter->ecdev) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2529
				ecdev_set_link(adapter->ecdev, 1);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2530
			}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2531
			else {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2532
				netif_carrier_on(netdev);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2533
				if (!test_bit(__E1000_DOWN, &adapter->flags))
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2534
					schedule_delayed_work(&adapter->phy_info_task,
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2535
							2 * HZ);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2536
			}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2537
			adapter->smartspeed = 0;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2538
		}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2539
	} else {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2540
		if ((adapter->ecdev && ecdev_get_link(adapter->ecdev))
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2541
				|| (!adapter->ecdev && netif_carrier_ok(netdev))) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2542
			adapter->link_speed = 0;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2543
			adapter->link_duplex = 0;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2544
			pr_info("%s NIC Link is Down\n",
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2545
				netdev->name);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2546
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2547
			if (adapter->ecdev) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2548
				ecdev_set_link(adapter->ecdev, 0);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2549
			} else {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2550
				netif_carrier_off(netdev);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2551
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2552
				if (!test_bit(__E1000_DOWN, &adapter->flags))
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2553
					schedule_delayed_work(&adapter->phy_info_task,
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2554
							2 * HZ);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2555
			}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2556
		}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2557
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2558
		e1000_smartspeed(adapter);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2559
	}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2560
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2561
link_up:
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2562
	e1000_update_stats(adapter);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2563
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2564
	hw->tx_packet_delta = adapter->stats.tpt - adapter->tpt_old;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2565
	adapter->tpt_old = adapter->stats.tpt;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2566
	hw->collision_delta = adapter->stats.colc - adapter->colc_old;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2567
	adapter->colc_old = adapter->stats.colc;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2568
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2569
	adapter->gorcl = adapter->stats.gorcl - adapter->gorcl_old;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2570
	adapter->gorcl_old = adapter->stats.gorcl;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2571
	adapter->gotcl = adapter->stats.gotcl - adapter->gotcl_old;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2572
	adapter->gotcl_old = adapter->stats.gotcl;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2573
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2574
	e1000_update_adaptive(hw);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2575
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2576
	if (!adapter->ecdev && !netif_carrier_ok(netdev)) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2577
		if (E1000_DESC_UNUSED(txdr) + 1 < txdr->count) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2578
			/* We've lost link, so the controller stops DMA,
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2579
			 * but we've got queued Tx work that's never going
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2580
			 * to get done, so reset controller to flush Tx.
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2581
			 * (Do the reset outside of interrupt context).
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2582
			 */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2583
			adapter->tx_timeout_count++;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2584
			schedule_work(&adapter->reset_task);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2585
			/* exit immediately since reset is imminent */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2586
			return;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2587
		}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2588
	}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2589
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2590
	/* Simple mode for Interrupt Throttle Rate (ITR) */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2591
	if (hw->mac_type >= e1000_82540 && adapter->itr_setting == 4) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2592
		/* Symmetric Tx/Rx gets a reduced ITR=2000;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2593
		 * Total asymmetrical Tx or Rx gets ITR=8000;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2594
		 * everyone else is between 2000-8000.
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2595
		 */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2596
		u32 goc = (adapter->gotcl + adapter->gorcl) / 10000;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2597
		u32 dif = (adapter->gotcl > adapter->gorcl ?
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2598
			    adapter->gotcl - adapter->gorcl :
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2599
			    adapter->gorcl - adapter->gotcl) / 10000;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2600
		u32 itr = goc > 0 ? (dif * 6000 / goc + 2000) : 8000;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2601
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2602
		ew32(ITR, 1000000000 / (itr * 256));
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2603
	}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2604
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2605
	/* Cause software interrupt to ensure rx ring is cleaned */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2606
	ew32(ICS, E1000_ICS_RXDMT0);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2607
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2608
	/* Force detection of hung controller every watchdog period */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2609
	adapter->detect_tx_hung = true;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2610
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2611
	/* Reschedule the task */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2612
	if (!adapter->ecdev && !test_bit(__E1000_DOWN, &adapter->flags))
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2613
		schedule_delayed_work(&adapter->watchdog_task, 2 * HZ);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2614
}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2615
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2616
enum latency_range {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2617
	lowest_latency = 0,
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2618
	low_latency = 1,
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2619
	bulk_latency = 2,
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2620
	latency_invalid = 255
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2621
};
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2622
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2623
/**
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2624
 * e1000_update_itr - update the dynamic ITR value based on statistics
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2625
 * @adapter: pointer to adapter
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2626
 * @itr_setting: current adapter->itr
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2627
 * @packets: the number of packets during this measurement interval
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2628
 * @bytes: the number of bytes during this measurement interval
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2629
 *
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2630
 *      Stores a new ITR value based on packets and byte
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2631
 *      counts during the last interrupt.  The advantage of per interrupt
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2632
 *      computation is faster updates and more accurate ITR for the current
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2633
 *      traffic pattern.  Constants in this function were computed
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2634
 *      based on theoretical maximum wire speed and thresholds were set based
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2635
 *      on testing data as well as attempting to minimize response time
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2636
 *      while increasing bulk throughput.
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2637
 *      this functionality is controlled by the InterruptThrottleRate module
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2638
 *      parameter (see e1000_param.c)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2639
 **/
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2640
static unsigned int e1000_update_itr(struct e1000_adapter *adapter,
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2641
				     u16 itr_setting, int packets, int bytes)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2642
{
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2643
	unsigned int retval = itr_setting;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2644
	struct e1000_hw *hw = &adapter->hw;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2645
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2646
	if (unlikely(hw->mac_type < e1000_82540))
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2647
		goto update_itr_done;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2648
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2649
	if (packets == 0)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2650
		goto update_itr_done;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2651
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2652
	switch (itr_setting) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2653
	case lowest_latency:
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2654
		/* jumbo frames get bulk treatment*/
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2655
		if (bytes/packets > 8000)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2656
			retval = bulk_latency;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2657
		else if ((packets < 5) && (bytes > 512))
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2658
			retval = low_latency;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2659
		break;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2660
	case low_latency:  /* 50 usec aka 20000 ints/s */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2661
		if (bytes > 10000) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2662
			/* jumbo frames need bulk latency setting */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2663
			if (bytes/packets > 8000)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2664
				retval = bulk_latency;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2665
			else if ((packets < 10) || ((bytes/packets) > 1200))
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2666
				retval = bulk_latency;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2667
			else if ((packets > 35))
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2668
				retval = lowest_latency;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2669
		} else if (bytes/packets > 2000)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2670
			retval = bulk_latency;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2671
		else if (packets <= 2 && bytes < 512)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2672
			retval = lowest_latency;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2673
		break;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2674
	case bulk_latency: /* 250 usec aka 4000 ints/s */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2675
		if (bytes > 25000) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2676
			if (packets > 35)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2677
				retval = low_latency;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2678
		} else if (bytes < 6000) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2679
			retval = low_latency;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2680
		}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2681
		break;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2682
	}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2683
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2684
update_itr_done:
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2685
	return retval;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2686
}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2687
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2688
static void e1000_set_itr(struct e1000_adapter *adapter)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2689
{
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2690
	struct e1000_hw *hw = &adapter->hw;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2691
	u16 current_itr;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2692
	u32 new_itr = adapter->itr;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2693
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2694
	if (unlikely(hw->mac_type < e1000_82540))
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2695
		return;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2696
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2697
	/* for non-gigabit speeds, just fix the interrupt rate at 4000 */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2698
	if (unlikely(adapter->link_speed != SPEED_1000)) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2699
		current_itr = 0;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2700
		new_itr = 4000;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2701
		goto set_itr_now;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2702
	}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2703
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2704
	adapter->tx_itr = e1000_update_itr(adapter, adapter->tx_itr,
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2705
					   adapter->total_tx_packets,
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2706
					   adapter->total_tx_bytes);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2707
	/* conservative mode (itr 3) eliminates the lowest_latency setting */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2708
	if (adapter->itr_setting == 3 && adapter->tx_itr == lowest_latency)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2709
		adapter->tx_itr = low_latency;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2710
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2711
	adapter->rx_itr = e1000_update_itr(adapter, adapter->rx_itr,
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2712
					   adapter->total_rx_packets,
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2713
					   adapter->total_rx_bytes);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2714
	/* conservative mode (itr 3) eliminates the lowest_latency setting */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2715
	if (adapter->itr_setting == 3 && adapter->rx_itr == lowest_latency)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2716
		adapter->rx_itr = low_latency;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2717
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2718
	current_itr = max(adapter->rx_itr, adapter->tx_itr);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2719
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2720
	switch (current_itr) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2721
	/* counts and packets in update_itr are dependent on these numbers */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2722
	case lowest_latency:
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2723
		new_itr = 70000;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2724
		break;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2725
	case low_latency:
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2726
		new_itr = 20000; /* aka hwitr = ~200 */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2727
		break;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2728
	case bulk_latency:
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2729
		new_itr = 4000;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2730
		break;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2731
	default:
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2732
		break;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2733
	}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2734
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2735
set_itr_now:
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2736
	if (new_itr != adapter->itr) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2737
		/* this attempts to bias the interrupt rate towards Bulk
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2738
		 * by adding intermediate steps when interrupt rate is
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2739
		 * increasing
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2740
		 */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2741
		new_itr = new_itr > adapter->itr ?
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2742
			  min(adapter->itr + (new_itr >> 2), new_itr) :
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2743
			  new_itr;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2744
		adapter->itr = new_itr;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2745
		ew32(ITR, 1000000000 / (new_itr * 256));
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2746
	}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2747
}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2748
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2749
#define E1000_TX_FLAGS_CSUM		0x00000001
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2750
#define E1000_TX_FLAGS_VLAN		0x00000002
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2751
#define E1000_TX_FLAGS_TSO		0x00000004
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2752
#define E1000_TX_FLAGS_IPV4		0x00000008
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2753
#define E1000_TX_FLAGS_NO_FCS		0x00000010
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2754
#define E1000_TX_FLAGS_VLAN_MASK	0xffff0000
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2755
#define E1000_TX_FLAGS_VLAN_SHIFT	16
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2756
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2757
static int e1000_tso(struct e1000_adapter *adapter,
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2758
		     struct e1000_tx_ring *tx_ring, struct sk_buff *skb)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2759
{
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2760
	struct e1000_context_desc *context_desc;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2761
	struct e1000_buffer *buffer_info;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2762
	unsigned int i;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2763
	u32 cmd_length = 0;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2764
	u16 ipcse = 0, tucse, mss;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2765
	u8 ipcss, ipcso, tucss, tucso, hdr_len;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2766
	int err;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2767
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2768
	if (skb_is_gso(skb)) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2769
		if (skb_header_cloned(skb)) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2770
			err = pskb_expand_head(skb, 0, 0, GFP_ATOMIC);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2771
			if (err)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2772
				return err;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2773
		}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2774
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2775
		hdr_len = skb_transport_offset(skb) + tcp_hdrlen(skb);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2776
		mss = skb_shinfo(skb)->gso_size;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2777
		if (skb->protocol == htons(ETH_P_IP)) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2778
			struct iphdr *iph = ip_hdr(skb);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2779
			iph->tot_len = 0;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2780
			iph->check = 0;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2781
			tcp_hdr(skb)->check = ~csum_tcpudp_magic(iph->saddr,
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2782
								 iph->daddr, 0,
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2783
								 IPPROTO_TCP,
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2784
								 0);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2785
			cmd_length = E1000_TXD_CMD_IP;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2786
			ipcse = skb_transport_offset(skb) - 1;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2787
		} else if (skb->protocol == htons(ETH_P_IPV6)) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2788
			ipv6_hdr(skb)->payload_len = 0;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2789
			tcp_hdr(skb)->check =
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2790
				~csum_ipv6_magic(&ipv6_hdr(skb)->saddr,
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2791
						 &ipv6_hdr(skb)->daddr,
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2792
						 0, IPPROTO_TCP, 0);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2793
			ipcse = 0;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2794
		}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2795
		ipcss = skb_network_offset(skb);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2796
		ipcso = (void *)&(ip_hdr(skb)->check) - (void *)skb->data;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2797
		tucss = skb_transport_offset(skb);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2798
		tucso = (void *)&(tcp_hdr(skb)->check) - (void *)skb->data;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2799
		tucse = 0;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2800
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2801
		cmd_length |= (E1000_TXD_CMD_DEXT | E1000_TXD_CMD_TSE |
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2802
			       E1000_TXD_CMD_TCP | (skb->len - (hdr_len)));
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2803
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2804
		i = tx_ring->next_to_use;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2805
		context_desc = E1000_CONTEXT_DESC(*tx_ring, i);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2806
		buffer_info = &tx_ring->buffer_info[i];
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2807
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2808
		context_desc->lower_setup.ip_fields.ipcss  = ipcss;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2809
		context_desc->lower_setup.ip_fields.ipcso  = ipcso;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2810
		context_desc->lower_setup.ip_fields.ipcse  = cpu_to_le16(ipcse);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2811
		context_desc->upper_setup.tcp_fields.tucss = tucss;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2812
		context_desc->upper_setup.tcp_fields.tucso = tucso;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2813
		context_desc->upper_setup.tcp_fields.tucse = cpu_to_le16(tucse);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2814
		context_desc->tcp_seg_setup.fields.mss     = cpu_to_le16(mss);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2815
		context_desc->tcp_seg_setup.fields.hdr_len = hdr_len;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2816
		context_desc->cmd_and_length = cpu_to_le32(cmd_length);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2817
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2818
		buffer_info->time_stamp = jiffies;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2819
		buffer_info->next_to_watch = i;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2820
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2821
		if (++i == tx_ring->count) i = 0;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2822
		tx_ring->next_to_use = i;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2823
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2824
		return true;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2825
	}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2826
	return false;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2827
}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2828
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2829
static bool e1000_tx_csum(struct e1000_adapter *adapter,
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2830
			  struct e1000_tx_ring *tx_ring, struct sk_buff *skb)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2831
{
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2832
	struct e1000_context_desc *context_desc;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2833
	struct e1000_buffer *buffer_info;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2834
	unsigned int i;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2835
	u8 css;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2836
	u32 cmd_len = E1000_TXD_CMD_DEXT;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2837
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2838
	if (skb->ip_summed != CHECKSUM_PARTIAL)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2839
		return false;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2840
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2841
	switch (skb->protocol) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2842
	case cpu_to_be16(ETH_P_IP):
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2843
		if (ip_hdr(skb)->protocol == IPPROTO_TCP)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2844
			cmd_len |= E1000_TXD_CMD_TCP;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2845
		break;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2846
	case cpu_to_be16(ETH_P_IPV6):
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2847
		/* XXX not handling all IPV6 headers */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2848
		if (ipv6_hdr(skb)->nexthdr == IPPROTO_TCP)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2849
			cmd_len |= E1000_TXD_CMD_TCP;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2850
		break;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2851
	default:
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2852
		if (unlikely(net_ratelimit()))
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2853
			e_warn(drv, "checksum_partial proto=%x!\n",
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2854
			       skb->protocol);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2855
		break;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2856
	}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2857
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2858
	css = skb_checksum_start_offset(skb);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2859
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2860
	i = tx_ring->next_to_use;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2861
	buffer_info = &tx_ring->buffer_info[i];
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2862
	context_desc = E1000_CONTEXT_DESC(*tx_ring, i);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2863
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2864
	context_desc->lower_setup.ip_config = 0;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2865
	context_desc->upper_setup.tcp_fields.tucss = css;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2866
	context_desc->upper_setup.tcp_fields.tucso =
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2867
		css + skb->csum_offset;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2868
	context_desc->upper_setup.tcp_fields.tucse = 0;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2869
	context_desc->tcp_seg_setup.data = 0;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2870
	context_desc->cmd_and_length = cpu_to_le32(cmd_len);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2871
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2872
	buffer_info->time_stamp = jiffies;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2873
	buffer_info->next_to_watch = i;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2874
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2875
	if (unlikely(++i == tx_ring->count)) i = 0;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2876
	tx_ring->next_to_use = i;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2877
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2878
	return true;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2879
}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2880
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2881
#define E1000_MAX_TXD_PWR	12
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2882
#define E1000_MAX_DATA_PER_TXD	(1<<E1000_MAX_TXD_PWR)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2883
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2884
static int e1000_tx_map(struct e1000_adapter *adapter,
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2885
			struct e1000_tx_ring *tx_ring,
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2886
			struct sk_buff *skb, unsigned int first,
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2887
			unsigned int max_per_txd, unsigned int nr_frags,
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2888
			unsigned int mss)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2889
{
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2890
	struct e1000_hw *hw = &adapter->hw;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2891
	struct pci_dev *pdev = adapter->pdev;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2892
	struct e1000_buffer *buffer_info;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2893
	unsigned int len = skb_headlen(skb);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2894
	unsigned int offset = 0, size, count = 0, i;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2895
	unsigned int f, bytecount, segs;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2896
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2897
	i = tx_ring->next_to_use;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2898
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2899
	while (len) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2900
		buffer_info = &tx_ring->buffer_info[i];
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2901
		size = min(len, max_per_txd);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2902
		/* Workaround for Controller erratum --
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2903
		 * descriptor for non-tso packet in a linear SKB that follows a
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2904
		 * tso gets written back prematurely before the data is fully
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2905
		 * DMA'd to the controller
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2906
		 */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2907
		if (!skb->data_len && tx_ring->last_tx_tso &&
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2908
		    !skb_is_gso(skb)) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2909
			tx_ring->last_tx_tso = false;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2910
			size -= 4;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2911
		}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2912
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2913
		/* Workaround for premature desc write-backs
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2914
		 * in TSO mode.  Append 4-byte sentinel desc
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2915
		 */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2916
		if (unlikely(mss && !nr_frags && size == len && size > 8))
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2917
			size -= 4;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2918
		/* work-around for errata 10 and it applies
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2919
		 * to all controllers in PCI-X mode
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2920
		 * The fix is to make sure that the first descriptor of a
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2921
		 * packet is smaller than 2048 - 16 - 16 (or 2016) bytes
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2922
		 */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2923
		if (unlikely((hw->bus_type == e1000_bus_type_pcix) &&
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2924
		                (size > 2015) && count == 0))
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2925
		        size = 2015;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2926
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2927
		/* Workaround for potential 82544 hang in PCI-X.  Avoid
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2928
		 * terminating buffers within evenly-aligned dwords.
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2929
		 */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2930
		if (unlikely(adapter->pcix_82544 &&
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2931
		   !((unsigned long)(skb->data + offset + size - 1) & 4) &&
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2932
		   size > 4))
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2933
			size -= 4;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2934
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2935
		buffer_info->length = size;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2936
		/* set time_stamp *before* dma to help avoid a possible race */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2937
		buffer_info->time_stamp = jiffies;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2938
		buffer_info->mapped_as_page = false;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2939
		buffer_info->dma = dma_map_single(&pdev->dev,
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2940
						  skb->data + offset,
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2941
						  size, DMA_TO_DEVICE);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2942
		if (dma_mapping_error(&pdev->dev, buffer_info->dma))
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2943
			goto dma_error;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2944
		buffer_info->next_to_watch = i;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2945
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2946
		len -= size;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2947
		offset += size;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2948
		count++;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2949
		if (len) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2950
			i++;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2951
			if (unlikely(i == tx_ring->count))
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2952
				i = 0;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2953
		}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2954
	}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2955
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2956
	for (f = 0; f < nr_frags; f++) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2957
		const struct skb_frag_struct *frag;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2958
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2959
		frag = &skb_shinfo(skb)->frags[f];
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2960
		len = skb_frag_size(frag);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2961
		offset = 0;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2962
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2963
		while (len) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2964
			unsigned long bufend;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2965
			i++;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2966
			if (unlikely(i == tx_ring->count))
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2967
				i = 0;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2968
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2969
			buffer_info = &tx_ring->buffer_info[i];
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2970
			size = min(len, max_per_txd);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2971
			/* Workaround for premature desc write-backs
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2972
			 * in TSO mode.  Append 4-byte sentinel desc
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2973
			 */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2974
			if (unlikely(mss && f == (nr_frags-1) &&
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2975
			    size == len && size > 8))
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2976
				size -= 4;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2977
			/* Workaround for potential 82544 hang in PCI-X.
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2978
			 * Avoid terminating buffers within evenly-aligned
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2979
			 * dwords.
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2980
			 */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2981
			bufend = (unsigned long)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2982
				page_to_phys(skb_frag_page(frag));
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2983
			bufend += offset + size - 1;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2984
			if (unlikely(adapter->pcix_82544 &&
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2985
				     !(bufend & 4) &&
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2986
				     size > 4))
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2987
				size -= 4;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2988
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2989
			buffer_info->length = size;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2990
			buffer_info->time_stamp = jiffies;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2991
			buffer_info->mapped_as_page = true;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2992
			buffer_info->dma = skb_frag_dma_map(&pdev->dev, frag,
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2993
						offset, size, DMA_TO_DEVICE);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2994
			if (dma_mapping_error(&pdev->dev, buffer_info->dma))
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2995
				goto dma_error;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2996
			buffer_info->next_to_watch = i;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2997
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2998
			len -= size;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2999
			offset += size;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3000
			count++;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3001
		}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3002
	}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3003
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3004
	segs = skb_shinfo(skb)->gso_segs ?: 1;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3005
	/* multiply data chunks by size of headers */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3006
	bytecount = ((segs - 1) * skb_headlen(skb)) + skb->len;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3007
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3008
	tx_ring->buffer_info[i].skb = skb;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3009
	tx_ring->buffer_info[i].segs = segs;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3010
	tx_ring->buffer_info[i].bytecount = bytecount;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3011
	tx_ring->buffer_info[first].next_to_watch = i;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3012
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3013
	return count;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3014
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3015
dma_error:
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3016
	dev_err(&pdev->dev, "TX DMA map failed\n");
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3017
	buffer_info->dma = 0;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3018
	if (count)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3019
		count--;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3020
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3021
	while (count--) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3022
		if (i==0)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3023
			i += tx_ring->count;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3024
		i--;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3025
		buffer_info = &tx_ring->buffer_info[i];
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3026
		e1000_unmap_and_free_tx_resource(adapter, buffer_info);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3027
	}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3028
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3029
	return 0;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3030
}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3031
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3032
static void e1000_tx_queue(struct e1000_adapter *adapter,
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3033
			   struct e1000_tx_ring *tx_ring, int tx_flags,
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3034
			   int count)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3035
{
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3036
	struct e1000_hw *hw = &adapter->hw;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3037
	struct e1000_tx_desc *tx_desc = NULL;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3038
	struct e1000_buffer *buffer_info;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3039
	u32 txd_upper = 0, txd_lower = E1000_TXD_CMD_IFCS;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3040
	unsigned int i;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3041
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3042
	if (likely(tx_flags & E1000_TX_FLAGS_TSO)) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3043
		txd_lower |= E1000_TXD_CMD_DEXT | E1000_TXD_DTYP_D |
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3044
			     E1000_TXD_CMD_TSE;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3045
		txd_upper |= E1000_TXD_POPTS_TXSM << 8;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3046
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3047
		if (likely(tx_flags & E1000_TX_FLAGS_IPV4))
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3048
			txd_upper |= E1000_TXD_POPTS_IXSM << 8;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3049
	}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3050
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3051
	if (likely(tx_flags & E1000_TX_FLAGS_CSUM)) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3052
		txd_lower |= E1000_TXD_CMD_DEXT | E1000_TXD_DTYP_D;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3053
		txd_upper |= E1000_TXD_POPTS_TXSM << 8;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3054
	}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3055
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3056
	if (unlikely(tx_flags & E1000_TX_FLAGS_VLAN)) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3057
		txd_lower |= E1000_TXD_CMD_VLE;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3058
		txd_upper |= (tx_flags & E1000_TX_FLAGS_VLAN_MASK);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3059
	}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3060
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3061
	if (unlikely(tx_flags & E1000_TX_FLAGS_NO_FCS))
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3062
		txd_lower &= ~(E1000_TXD_CMD_IFCS);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3063
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3064
	i = tx_ring->next_to_use;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3065
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3066
	while (count--) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3067
		buffer_info = &tx_ring->buffer_info[i];
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3068
		tx_desc = E1000_TX_DESC(*tx_ring, i);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3069
		tx_desc->buffer_addr = cpu_to_le64(buffer_info->dma);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3070
		tx_desc->lower.data =
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3071
			cpu_to_le32(txd_lower | buffer_info->length);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3072
		tx_desc->upper.data = cpu_to_le32(txd_upper);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3073
		if (unlikely(++i == tx_ring->count)) i = 0;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3074
	}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3075
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3076
	tx_desc->lower.data |= cpu_to_le32(adapter->txd_cmd);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3077
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3078
	/* txd_cmd re-enables FCS, so we'll re-disable it here as desired. */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3079
	if (unlikely(tx_flags & E1000_TX_FLAGS_NO_FCS))
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3080
		tx_desc->lower.data &= ~(cpu_to_le32(E1000_TXD_CMD_IFCS));
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3081
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3082
	/* Force memory writes to complete before letting h/w
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3083
	 * know there are new descriptors to fetch.  (Only
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3084
	 * applicable for weak-ordered memory model archs,
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3085
	 * such as IA-64).
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3086
	 */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3087
	wmb();
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3088
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3089
	tx_ring->next_to_use = i;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3090
	writel(i, hw->hw_addr + tx_ring->tdt);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3091
	/* we need this if more than one processor can write to our tail
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3092
	 * at a time, it synchronizes IO on IA64/Altix systems
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3093
	 */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3094
	mmiowb();
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3095
}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3096
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3097
/* 82547 workaround to avoid controller hang in half-duplex environment.
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3098
 * The workaround is to avoid queuing a large packet that would span
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3099
 * the internal Tx FIFO ring boundary by notifying the stack to resend
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3100
 * the packet at a later time.  This gives the Tx FIFO an opportunity to
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3101
 * flush all packets.  When that occurs, we reset the Tx FIFO pointers
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3102
 * to the beginning of the Tx FIFO.
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3103
 */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3104
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3105
#define E1000_FIFO_HDR			0x10
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3106
#define E1000_82547_PAD_LEN		0x3E0
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3107
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3108
static int e1000_82547_fifo_workaround(struct e1000_adapter *adapter,
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3109
				       struct sk_buff *skb)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3110
{
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3111
	u32 fifo_space = adapter->tx_fifo_size - adapter->tx_fifo_head;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3112
	u32 skb_fifo_len = skb->len + E1000_FIFO_HDR;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3113
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3114
	skb_fifo_len = ALIGN(skb_fifo_len, E1000_FIFO_HDR);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3115
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3116
	if (adapter->link_duplex != HALF_DUPLEX)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3117
		goto no_fifo_stall_required;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3118
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3119
	if (atomic_read(&adapter->tx_fifo_stall))
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3120
		return 1;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3121
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3122
	if (skb_fifo_len >= (E1000_82547_PAD_LEN + fifo_space)) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3123
		atomic_set(&adapter->tx_fifo_stall, 1);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3124
		return 1;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3125
	}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3126
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3127
no_fifo_stall_required:
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3128
	adapter->tx_fifo_head += skb_fifo_len;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3129
	if (adapter->tx_fifo_head >= adapter->tx_fifo_size)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3130
		adapter->tx_fifo_head -= adapter->tx_fifo_size;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3131
	return 0;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3132
}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3133
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3134
static int __e1000_maybe_stop_tx(struct net_device *netdev, int size)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3135
{
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3136
	struct e1000_adapter *adapter = netdev_priv(netdev);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3137
	struct e1000_tx_ring *tx_ring = adapter->tx_ring;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3138
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3139
	if (adapter->ecdev) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3140
		return -EBUSY;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3141
	}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3142
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3143
	netif_stop_queue(netdev);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3144
	/* Herbert's original patch had:
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3145
	 *  smp_mb__after_netif_stop_queue();
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3146
	 * but since that doesn't exist yet, just open code it.
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3147
	 */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3148
	smp_mb();
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3149
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3150
	/* We need to check again in a case another CPU has just
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3151
	 * made room available.
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3152
	 */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3153
	if (likely(E1000_DESC_UNUSED(tx_ring) < size))
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3154
		return -EBUSY;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3155
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3156
	/* A reprieve! */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3157
	netif_start_queue(netdev);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3158
	++adapter->restart_queue;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3159
	return 0;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3160
}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3161
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3162
static int e1000_maybe_stop_tx(struct net_device *netdev,
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3163
			       struct e1000_tx_ring *tx_ring, int size)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3164
{
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3165
	if (likely(E1000_DESC_UNUSED(tx_ring) >= size))
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3166
		return 0;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3167
	return __e1000_maybe_stop_tx(netdev, size);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3168
}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3169
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3170
#define TXD_USE_COUNT(S, X) (((S) >> (X)) + 1 )
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3171
static netdev_tx_t e1000_xmit_frame(struct sk_buff *skb,
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3172
				    struct net_device *netdev)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3173
{
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3174
	struct e1000_adapter *adapter = netdev_priv(netdev);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3175
	struct e1000_hw *hw = &adapter->hw;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3176
	struct e1000_tx_ring *tx_ring;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3177
	unsigned int first, max_per_txd = E1000_MAX_DATA_PER_TXD;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3178
	unsigned int max_txd_pwr = E1000_MAX_TXD_PWR;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3179
	unsigned int tx_flags = 0;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3180
	unsigned int len = skb_headlen(skb);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3181
	unsigned int nr_frags;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3182
	unsigned int mss;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3183
	int count = 0;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3184
	int tso;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3185
	unsigned int f;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3186
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3187
	/* This goes back to the question of how to logically map a Tx queue
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3188
	 * to a flow.  Right now, performance is impacted slightly negatively
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3189
	 * if using multiple Tx queues.  If the stack breaks away from a
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3190
	 * single qdisc implementation, we can look at this again.
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3191
	 */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3192
	tx_ring = adapter->tx_ring;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3193
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3194
	if (unlikely(skb->len <= 0)) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3195
		if (!adapter->ecdev) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3196
			dev_kfree_skb_any(skb);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3197
		}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3198
		return NETDEV_TX_OK;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3199
	}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3200
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3201
	/* On PCI/PCI-X HW, if packet size is less than ETH_ZLEN,
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3202
	 * packets may get corrupted during padding by HW.
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3203
	 * To WA this issue, pad all small packets manually.
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3204
	 */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3205
	if (skb->len < ETH_ZLEN) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3206
		if (skb_pad(skb, ETH_ZLEN - skb->len))
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3207
			return NETDEV_TX_OK;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3208
		skb->len = ETH_ZLEN;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3209
		skb_set_tail_pointer(skb, ETH_ZLEN);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3210
	}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3211
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3212
	mss = skb_shinfo(skb)->gso_size;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3213
	/* The controller does a simple calculation to
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3214
	 * make sure there is enough room in the FIFO before
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3215
	 * initiating the DMA for each buffer.  The calc is:
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3216
	 * 4 = ceil(buffer len/mss).  To make sure we don't
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3217
	 * overrun the FIFO, adjust the max buffer len if mss
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3218
	 * drops.
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3219
	 */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3220
	if (mss) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3221
		u8 hdr_len;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3222
		max_per_txd = min(mss << 2, max_per_txd);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3223
		max_txd_pwr = fls(max_per_txd) - 1;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3224
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3225
		hdr_len = skb_transport_offset(skb) + tcp_hdrlen(skb);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3226
		if (skb->data_len && hdr_len == len) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3227
			switch (hw->mac_type) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3228
				unsigned int pull_size;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3229
			case e1000_82544:
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3230
				/* Make sure we have room to chop off 4 bytes,
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3231
				 * and that the end alignment will work out to
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3232
				 * this hardware's requirements
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3233
				 * NOTE: this is a TSO only workaround
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3234
				 * if end byte alignment not correct move us
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3235
				 * into the next dword
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3236
				 */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3237
				if ((unsigned long)(skb_tail_pointer(skb) - 1)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3238
				    & 4)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3239
					break;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3240
				/* fall through */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3241
				pull_size = min((unsigned int)4, skb->data_len);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3242
				if (!__pskb_pull_tail(skb, pull_size)) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3243
					e_err(drv, "__pskb_pull_tail "
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3244
					      "failed.\n");
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3245
					if (!adapter->ecdev) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3246
						dev_kfree_skb_any(skb);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3247
					}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3248
					return NETDEV_TX_OK;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3249
				}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3250
				len = skb_headlen(skb);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3251
				break;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3252
			default:
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3253
				/* do nothing */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3254
				break;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3255
			}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3256
		}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3257
	}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3258
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3259
	/* reserve a descriptor for the offload context */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3260
	if ((mss) || (skb->ip_summed == CHECKSUM_PARTIAL))
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3261
		count++;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3262
	count++;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3263
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3264
	/* Controller Erratum workaround */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3265
	if (!skb->data_len && tx_ring->last_tx_tso && !skb_is_gso(skb))
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3266
		count++;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3267
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3268
	count += TXD_USE_COUNT(len, max_txd_pwr);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3269
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3270
	if (adapter->pcix_82544)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3271
		count++;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3272
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3273
	/* work-around for errata 10 and it applies to all controllers
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3274
	 * in PCI-X mode, so add one more descriptor to the count
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3275
	 */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3276
	if (unlikely((hw->bus_type == e1000_bus_type_pcix) &&
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3277
			(len > 2015)))
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3278
		count++;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3279
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3280
	nr_frags = skb_shinfo(skb)->nr_frags;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3281
	for (f = 0; f < nr_frags; f++)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3282
		count += TXD_USE_COUNT(skb_frag_size(&skb_shinfo(skb)->frags[f]),
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3283
				       max_txd_pwr);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3284
	if (adapter->pcix_82544)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3285
		count += nr_frags;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3286
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3287
	/* need: count + 2 desc gap to keep tail from touching
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3288
	 * head, otherwise try next time
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3289
	 */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3290
	if (unlikely(e1000_maybe_stop_tx(netdev, tx_ring, count + 2)))
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3291
		return NETDEV_TX_BUSY;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3292
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3293
	if (unlikely((hw->mac_type == e1000_82547) &&
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3294
		     (e1000_82547_fifo_workaround(adapter, skb)))) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3295
		if (!adapter->ecdev) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3296
			netif_stop_queue(netdev);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3297
			if (!test_bit(__E1000_DOWN, &adapter->flags))
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3298
				schedule_delayed_work(&adapter->fifo_stall_task, 1);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3299
		}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3300
		return NETDEV_TX_BUSY;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3301
	}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3302
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3303
	if (vlan_tx_tag_present(skb)) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3304
		tx_flags |= E1000_TX_FLAGS_VLAN;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3305
		tx_flags |= (vlan_tx_tag_get(skb) << E1000_TX_FLAGS_VLAN_SHIFT);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3306
	}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3307
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3308
	first = tx_ring->next_to_use;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3309
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3310
	tso = e1000_tso(adapter, tx_ring, skb);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3311
	if (tso < 0) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3312
		if (!adapter->ecdev) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3313
			dev_kfree_skb_any(skb);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3314
		}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3315
		return NETDEV_TX_OK;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3316
	}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3317
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3318
	if (likely(tso)) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3319
		if (likely(hw->mac_type != e1000_82544))
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3320
			tx_ring->last_tx_tso = true;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3321
		tx_flags |= E1000_TX_FLAGS_TSO;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3322
	} else if (likely(e1000_tx_csum(adapter, tx_ring, skb)))
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3323
		tx_flags |= E1000_TX_FLAGS_CSUM;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3324
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3325
	if (likely(skb->protocol == htons(ETH_P_IP)))
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3326
		tx_flags |= E1000_TX_FLAGS_IPV4;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3327
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3328
	if (unlikely(skb->no_fcs))
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3329
		tx_flags |= E1000_TX_FLAGS_NO_FCS;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3330
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3331
	count = e1000_tx_map(adapter, tx_ring, skb, first, max_per_txd,
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3332
			     nr_frags, mss);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3333
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3334
	if (count) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3335
		netdev_sent_queue(netdev, skb->len);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3336
		skb_tx_timestamp(skb);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3337
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3338
		e1000_tx_queue(adapter, tx_ring, tx_flags, count);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3339
		if (!adapter->ecdev) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3340
			/* Make sure there is space in the ring for the next send. */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3341
			e1000_maybe_stop_tx(netdev, tx_ring, MAX_SKB_FRAGS + 2);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3342
		}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3343
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3344
	} else {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3345
		if (!adapter->ecdev) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3346
			dev_kfree_skb_any(skb);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3347
		}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3348
		tx_ring->buffer_info[first].time_stamp = 0;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3349
		tx_ring->next_to_use = first;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3350
	}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3351
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3352
	return NETDEV_TX_OK;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3353
}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3354
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3355
#define NUM_REGS 38 /* 1 based count */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3356
static void e1000_regdump(struct e1000_adapter *adapter)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3357
{
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3358
	struct e1000_hw *hw = &adapter->hw;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3359
	u32 regs[NUM_REGS];
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3360
	u32 *regs_buff = regs;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3361
	int i = 0;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3362
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3363
	static const char * const reg_name[] = {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3364
		"CTRL",  "STATUS",
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3365
		"RCTL", "RDLEN", "RDH", "RDT", "RDTR",
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3366
		"TCTL", "TDBAL", "TDBAH", "TDLEN", "TDH", "TDT",
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3367
		"TIDV", "TXDCTL", "TADV", "TARC0",
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3368
		"TDBAL1", "TDBAH1", "TDLEN1", "TDH1", "TDT1",
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3369
		"TXDCTL1", "TARC1",
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3370
		"CTRL_EXT", "ERT", "RDBAL", "RDBAH",
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3371
		"TDFH", "TDFT", "TDFHS", "TDFTS", "TDFPC",
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3372
		"RDFH", "RDFT", "RDFHS", "RDFTS", "RDFPC"
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3373
	};
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3374
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3375
	regs_buff[0]  = er32(CTRL);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3376
	regs_buff[1]  = er32(STATUS);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3377
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3378
	regs_buff[2]  = er32(RCTL);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3379
	regs_buff[3]  = er32(RDLEN);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3380
	regs_buff[4]  = er32(RDH);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3381
	regs_buff[5]  = er32(RDT);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3382
	regs_buff[6]  = er32(RDTR);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3383
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3384
	regs_buff[7]  = er32(TCTL);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3385
	regs_buff[8]  = er32(TDBAL);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3386
	regs_buff[9]  = er32(TDBAH);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3387
	regs_buff[10] = er32(TDLEN);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3388
	regs_buff[11] = er32(TDH);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3389
	regs_buff[12] = er32(TDT);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3390
	regs_buff[13] = er32(TIDV);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3391
	regs_buff[14] = er32(TXDCTL);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3392
	regs_buff[15] = er32(TADV);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3393
	regs_buff[16] = er32(TARC0);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3394
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3395
	regs_buff[17] = er32(TDBAL1);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3396
	regs_buff[18] = er32(TDBAH1);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3397
	regs_buff[19] = er32(TDLEN1);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3398
	regs_buff[20] = er32(TDH1);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3399
	regs_buff[21] = er32(TDT1);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3400
	regs_buff[22] = er32(TXDCTL1);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3401
	regs_buff[23] = er32(TARC1);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3402
	regs_buff[24] = er32(CTRL_EXT);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3403
	regs_buff[25] = er32(ERT);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3404
	regs_buff[26] = er32(RDBAL0);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3405
	regs_buff[27] = er32(RDBAH0);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3406
	regs_buff[28] = er32(TDFH);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3407
	regs_buff[29] = er32(TDFT);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3408
	regs_buff[30] = er32(TDFHS);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3409
	regs_buff[31] = er32(TDFTS);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3410
	regs_buff[32] = er32(TDFPC);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3411
	regs_buff[33] = er32(RDFH);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3412
	regs_buff[34] = er32(RDFT);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3413
	regs_buff[35] = er32(RDFHS);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3414
	regs_buff[36] = er32(RDFTS);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3415
	regs_buff[37] = er32(RDFPC);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3416
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3417
	pr_info("Register dump\n");
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3418
	for (i = 0; i < NUM_REGS; i++)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3419
		pr_info("%-15s  %08x\n", reg_name[i], regs_buff[i]);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3420
}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3421
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3422
/*
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3423
 * e1000_dump: Print registers, tx ring and rx ring
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3424
 */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3425
static void e1000_dump(struct e1000_adapter *adapter)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3426
{
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3427
	/* this code doesn't handle multiple rings */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3428
	struct e1000_tx_ring *tx_ring = adapter->tx_ring;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3429
	struct e1000_rx_ring *rx_ring = adapter->rx_ring;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3430
	int i;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3431
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3432
	if (!netif_msg_hw(adapter))
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3433
		return;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3434
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3435
	/* Print Registers */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3436
	e1000_regdump(adapter);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3437
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3438
	/* transmit dump */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3439
	pr_info("TX Desc ring0 dump\n");
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3440
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3441
	/* Transmit Descriptor Formats - DEXT[29] is 0 (Legacy) or 1 (Extended)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3442
	 *
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3443
	 * Legacy Transmit Descriptor
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3444
	 *   +--------------------------------------------------------------+
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3445
	 * 0 |         Buffer Address [63:0] (Reserved on Write Back)       |
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3446
	 *   +--------------------------------------------------------------+
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3447
	 * 8 | Special  |    CSS     | Status |  CMD    |  CSO   |  Length  |
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3448
	 *   +--------------------------------------------------------------+
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3449
	 *   63       48 47        36 35    32 31     24 23    16 15        0
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3450
	 *
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3451
	 * Extended Context Descriptor (DTYP=0x0) for TSO or checksum offload
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3452
	 *   63      48 47    40 39       32 31             16 15    8 7      0
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3453
	 *   +----------------------------------------------------------------+
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3454
	 * 0 |  TUCSE  | TUCS0  |   TUCSS   |     IPCSE       | IPCS0 | IPCSS |
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3455
	 *   +----------------------------------------------------------------+
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3456
	 * 8 |   MSS   | HDRLEN | RSV | STA | TUCMD | DTYP |      PAYLEN      |
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3457
	 *   +----------------------------------------------------------------+
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3458
	 *   63      48 47    40 39 36 35 32 31   24 23  20 19                0
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3459
	 *
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3460
	 * Extended Data Descriptor (DTYP=0x1)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3461
	 *   +----------------------------------------------------------------+
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3462
	 * 0 |                     Buffer Address [63:0]                      |
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3463
	 *   +----------------------------------------------------------------+
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3464
	 * 8 | VLAN tag |  POPTS  | Rsvd | Status | Command | DTYP |  DTALEN  |
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3465
	 *   +----------------------------------------------------------------+
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3466
	 *   63       48 47     40 39  36 35    32 31     24 23  20 19        0
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3467
	 */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3468
	pr_info("Tc[desc]     [Ce CoCsIpceCoS] [MssHlRSCm0Plen] [bi->dma       ] leng  ntw timestmp         bi->skb\n");
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3469
	pr_info("Td[desc]     [address 63:0  ] [VlaPoRSCm1Dlen] [bi->dma       ] leng  ntw timestmp         bi->skb\n");
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3470
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3471
	if (!netif_msg_tx_done(adapter))
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3472
		goto rx_ring_summary;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3473
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3474
	for (i = 0; tx_ring->desc && (i < tx_ring->count); i++) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3475
		struct e1000_tx_desc *tx_desc = E1000_TX_DESC(*tx_ring, i);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3476
		struct e1000_buffer *buffer_info = &tx_ring->buffer_info[i];
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3477
		struct my_u { __le64 a; __le64 b; };
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3478
		struct my_u *u = (struct my_u *)tx_desc;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3479
		const char *type;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3480
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3481
		if (i == tx_ring->next_to_use && i == tx_ring->next_to_clean)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3482
			type = "NTC/U";
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3483
		else if (i == tx_ring->next_to_use)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3484
			type = "NTU";
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3485
		else if (i == tx_ring->next_to_clean)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3486
			type = "NTC";
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3487
		else
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3488
			type = "";
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3489
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3490
		pr_info("T%c[0x%03X]    %016llX %016llX %016llX %04X  %3X %016llX %p %s\n",
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3491
			((le64_to_cpu(u->b) & (1<<20)) ? 'd' : 'c'), i,
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3492
			le64_to_cpu(u->a), le64_to_cpu(u->b),
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3493
			(u64)buffer_info->dma, buffer_info->length,
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3494
			buffer_info->next_to_watch,
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3495
			(u64)buffer_info->time_stamp, buffer_info->skb, type);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3496
	}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3497
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3498
rx_ring_summary:
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3499
	/* receive dump */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3500
	pr_info("\nRX Desc ring dump\n");
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3501
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3502
	/* Legacy Receive Descriptor Format
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3503
	 *
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3504
	 * +-----------------------------------------------------+
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3505
	 * |                Buffer Address [63:0]                |
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3506
	 * +-----------------------------------------------------+
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3507
	 * | VLAN Tag | Errors | Status 0 | Packet csum | Length |
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3508
	 * +-----------------------------------------------------+
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3509
	 * 63       48 47    40 39      32 31         16 15      0
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3510
	 */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3511
	pr_info("R[desc]      [address 63:0  ] [vl er S cks ln] [bi->dma       ] [bi->skb]\n");
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3512
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3513
	if (!netif_msg_rx_status(adapter))
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3514
		goto exit;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3515
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3516
	for (i = 0; rx_ring->desc && (i < rx_ring->count); i++) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3517
		struct e1000_rx_desc *rx_desc = E1000_RX_DESC(*rx_ring, i);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3518
		struct e1000_buffer *buffer_info = &rx_ring->buffer_info[i];
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3519
		struct my_u { __le64 a; __le64 b; };
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3520
		struct my_u *u = (struct my_u *)rx_desc;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3521
		const char *type;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3522
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3523
		if (i == rx_ring->next_to_use)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3524
			type = "NTU";
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3525
		else if (i == rx_ring->next_to_clean)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3526
			type = "NTC";
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3527
		else
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3528
			type = "";
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3529
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3530
		pr_info("R[0x%03X]     %016llX %016llX %016llX %p %s\n",
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3531
			i, le64_to_cpu(u->a), le64_to_cpu(u->b),
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3532
			(u64)buffer_info->dma, buffer_info->skb, type);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3533
	} /* for */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3534
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3535
	/* dump the descriptor caches */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3536
	/* rx */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3537
	pr_info("Rx descriptor cache in 64bit format\n");
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3538
	for (i = 0x6000; i <= 0x63FF ; i += 0x10) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3539
		pr_info("R%04X: %08X|%08X %08X|%08X\n",
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3540
			i,
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3541
			readl(adapter->hw.hw_addr + i+4),
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3542
			readl(adapter->hw.hw_addr + i),
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3543
			readl(adapter->hw.hw_addr + i+12),
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3544
			readl(adapter->hw.hw_addr + i+8));
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3545
	}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3546
	/* tx */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3547
	pr_info("Tx descriptor cache in 64bit format\n");
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3548
	for (i = 0x7000; i <= 0x73FF ; i += 0x10) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3549
		pr_info("T%04X: %08X|%08X %08X|%08X\n",
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3550
			i,
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3551
			readl(adapter->hw.hw_addr + i+4),
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3552
			readl(adapter->hw.hw_addr + i),
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3553
			readl(adapter->hw.hw_addr + i+12),
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3554
			readl(adapter->hw.hw_addr + i+8));
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3555
	}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3556
exit:
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3557
	return;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3558
}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3559
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3560
/**
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3561
 * e1000_tx_timeout - Respond to a Tx Hang
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3562
 * @netdev: network interface device structure
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3563
 **/
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3564
static void e1000_tx_timeout(struct net_device *netdev)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3565
{
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3566
	struct e1000_adapter *adapter = netdev_priv(netdev);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3567
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3568
	/* Do the reset outside of interrupt context */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3569
	adapter->tx_timeout_count++;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3570
	schedule_work(&adapter->reset_task);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3571
}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3572
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3573
static void e1000_reset_task(struct work_struct *work)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3574
{
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3575
	struct e1000_adapter *adapter =
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3576
		container_of(work, struct e1000_adapter, reset_task);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3577
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3578
	e_err(drv, "Reset adapter\n");
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3579
	e1000_reinit_locked(adapter);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3580
}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3581
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3582
/**
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3583
 * e1000_get_stats - Get System Network Statistics
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3584
 * @netdev: network interface device structure
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3585
 *
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3586
 * Returns the address of the device statistics structure.
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3587
 * The statistics are actually updated from the watchdog.
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3588
 **/
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3589
static struct net_device_stats *e1000_get_stats(struct net_device *netdev)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3590
{
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3591
	/* only return the current stats */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3592
	return &netdev->stats;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3593
}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3594
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3595
/**
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3596
 * e1000_change_mtu - Change the Maximum Transfer Unit
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3597
 * @netdev: network interface device structure
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3598
 * @new_mtu: new value for maximum frame size
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3599
 *
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3600
 * Returns 0 on success, negative on failure
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3601
 **/
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3602
static int e1000_change_mtu(struct net_device *netdev, int new_mtu)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3603
{
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3604
	struct e1000_adapter *adapter = netdev_priv(netdev);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3605
	struct e1000_hw *hw = &adapter->hw;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3606
	int max_frame = new_mtu + ENET_HEADER_SIZE + ETHERNET_FCS_SIZE;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3607
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3608
	if (adapter->ecdev) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3609
		return -EBUSY;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3610
	}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3611
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3612
	if ((max_frame < MINIMUM_ETHERNET_FRAME_SIZE) ||
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3613
	    (max_frame > MAX_JUMBO_FRAME_SIZE)) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3614
		e_err(probe, "Invalid MTU setting\n");
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3615
		return -EINVAL;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3616
	}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3617
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3618
	/* Adapter-specific max frame size limits. */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3619
	switch (hw->mac_type) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3620
	case e1000_undefined ... e1000_82542_rev2_1:
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3621
		if (max_frame > (ETH_FRAME_LEN + ETH_FCS_LEN)) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3622
			e_err(probe, "Jumbo Frames not supported.\n");
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3623
			return -EINVAL;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3624
		}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3625
		break;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3626
	default:
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3627
		/* Capable of supporting up to MAX_JUMBO_FRAME_SIZE limit. */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3628
		break;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3629
	}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3630
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3631
	while (test_and_set_bit(__E1000_RESETTING, &adapter->flags))
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3632
		msleep(1);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3633
	/* e1000_down has a dependency on max_frame_size */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3634
	hw->max_frame_size = max_frame;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3635
	if (netif_running(netdev))
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3636
		e1000_down(adapter);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3637
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3638
	/* NOTE: netdev_alloc_skb reserves 16 bytes, and typically NET_IP_ALIGN
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3639
	 * means we reserve 2 more, this pushes us to allocate from the next
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3640
	 * larger slab size.
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3641
	 * i.e. RXBUFFER_2048 --> size-4096 slab
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3642
	 * however with the new *_jumbo_rx* routines, jumbo receives will use
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3643
	 * fragmented skbs
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3644
	 */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3645
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3646
	if (max_frame <= E1000_RXBUFFER_2048)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3647
		adapter->rx_buffer_len = E1000_RXBUFFER_2048;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3648
	else
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3649
#if (PAGE_SIZE >= E1000_RXBUFFER_16384)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3650
		adapter->rx_buffer_len = E1000_RXBUFFER_16384;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3651
#elif (PAGE_SIZE >= E1000_RXBUFFER_4096)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3652
		adapter->rx_buffer_len = PAGE_SIZE;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3653
#endif
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3654
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3655
	/* adjust allocation if LPE protects us, and we aren't using SBP */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3656
	if (!hw->tbi_compatibility_on &&
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3657
	    ((max_frame == (ETH_FRAME_LEN + ETH_FCS_LEN)) ||
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3658
	     (max_frame == MAXIMUM_ETHERNET_VLAN_SIZE)))
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3659
		adapter->rx_buffer_len = MAXIMUM_ETHERNET_VLAN_SIZE;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3660
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3661
	pr_info("%s changing MTU from %d to %d\n",
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3662
		netdev->name, netdev->mtu, new_mtu);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3663
	netdev->mtu = new_mtu;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3664
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3665
	if (netif_running(netdev))
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3666
		e1000_up(adapter);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3667
	else
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3668
		e1000_reset(adapter);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3669
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3670
	clear_bit(__E1000_RESETTING, &adapter->flags);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3671
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3672
	return 0;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3673
}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3674
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3675
/**
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3676
 * e1000_update_stats - Update the board statistics counters
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3677
 * @adapter: board private structure
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3678
 **/
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3679
void e1000_update_stats(struct e1000_adapter *adapter)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3680
{
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3681
	struct net_device *netdev = adapter->netdev;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3682
	struct e1000_hw *hw = &adapter->hw;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3683
	struct pci_dev *pdev = adapter->pdev;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3684
	unsigned long flags = 0;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3685
	u16 phy_tmp;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3686
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3687
#define PHY_IDLE_ERROR_COUNT_MASK 0x00FF
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3688
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3689
	/* Prevent stats update while adapter is being reset, or if the pci
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3690
	 * connection is down.
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3691
	 */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3692
	if (adapter->link_speed == 0)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3693
		return;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3694
	if (pci_channel_offline(pdev))
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3695
		return;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3696
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3697
	if (!adapter->ecdev) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3698
		spin_lock_irqsave(&adapter->stats_lock, flags);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3699
	}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3700
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3701
	/* these counters are modified from e1000_tbi_adjust_stats,
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3702
	 * called from the interrupt context, so they must only
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3703
	 * be written while holding adapter->stats_lock
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3704
	 */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3705
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3706
	adapter->stats.crcerrs += er32(CRCERRS);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3707
	adapter->stats.gprc += er32(GPRC);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3708
	adapter->stats.gorcl += er32(GORCL);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3709
	adapter->stats.gorch += er32(GORCH);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3710
	adapter->stats.bprc += er32(BPRC);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3711
	adapter->stats.mprc += er32(MPRC);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3712
	adapter->stats.roc += er32(ROC);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3713
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3714
	adapter->stats.prc64 += er32(PRC64);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3715
	adapter->stats.prc127 += er32(PRC127);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3716
	adapter->stats.prc255 += er32(PRC255);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3717
	adapter->stats.prc511 += er32(PRC511);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3718
	adapter->stats.prc1023 += er32(PRC1023);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3719
	adapter->stats.prc1522 += er32(PRC1522);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3720
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3721
	adapter->stats.symerrs += er32(SYMERRS);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3722
	adapter->stats.mpc += er32(MPC);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3723
	adapter->stats.scc += er32(SCC);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3724
	adapter->stats.ecol += er32(ECOL);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3725
	adapter->stats.mcc += er32(MCC);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3726
	adapter->stats.latecol += er32(LATECOL);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3727
	adapter->stats.dc += er32(DC);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3728
	adapter->stats.sec += er32(SEC);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3729
	adapter->stats.rlec += er32(RLEC);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3730
	adapter->stats.xonrxc += er32(XONRXC);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3731
	adapter->stats.xontxc += er32(XONTXC);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3732
	adapter->stats.xoffrxc += er32(XOFFRXC);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3733
	adapter->stats.xofftxc += er32(XOFFTXC);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3734
	adapter->stats.fcruc += er32(FCRUC);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3735
	adapter->stats.gptc += er32(GPTC);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3736
	adapter->stats.gotcl += er32(GOTCL);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3737
	adapter->stats.gotch += er32(GOTCH);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3738
	adapter->stats.rnbc += er32(RNBC);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3739
	adapter->stats.ruc += er32(RUC);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3740
	adapter->stats.rfc += er32(RFC);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3741
	adapter->stats.rjc += er32(RJC);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3742
	adapter->stats.torl += er32(TORL);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3743
	adapter->stats.torh += er32(TORH);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3744
	adapter->stats.totl += er32(TOTL);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3745
	adapter->stats.toth += er32(TOTH);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3746
	adapter->stats.tpr += er32(TPR);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3747
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3748
	adapter->stats.ptc64 += er32(PTC64);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3749
	adapter->stats.ptc127 += er32(PTC127);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3750
	adapter->stats.ptc255 += er32(PTC255);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3751
	adapter->stats.ptc511 += er32(PTC511);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3752
	adapter->stats.ptc1023 += er32(PTC1023);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3753
	adapter->stats.ptc1522 += er32(PTC1522);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3754
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3755
	adapter->stats.mptc += er32(MPTC);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3756
	adapter->stats.bptc += er32(BPTC);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3757
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3758
	/* used for adaptive IFS */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3759
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3760
	hw->tx_packet_delta = er32(TPT);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3761
	adapter->stats.tpt += hw->tx_packet_delta;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3762
	hw->collision_delta = er32(COLC);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3763
	adapter->stats.colc += hw->collision_delta;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3764
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3765
	if (hw->mac_type >= e1000_82543) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3766
		adapter->stats.algnerrc += er32(ALGNERRC);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3767
		adapter->stats.rxerrc += er32(RXERRC);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3768
		adapter->stats.tncrs += er32(TNCRS);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3769
		adapter->stats.cexterr += er32(CEXTERR);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3770
		adapter->stats.tsctc += er32(TSCTC);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3771
		adapter->stats.tsctfc += er32(TSCTFC);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3772
	}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3773
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3774
	/* Fill out the OS statistics structure */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3775
	netdev->stats.multicast = adapter->stats.mprc;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3776
	netdev->stats.collisions = adapter->stats.colc;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3777
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3778
	/* Rx Errors */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3779
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3780
	/* RLEC on some newer hardware can be incorrect so build
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3781
	 * our own version based on RUC and ROC
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3782
	 */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3783
	netdev->stats.rx_errors = adapter->stats.rxerrc +
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3784
		adapter->stats.crcerrs + adapter->stats.algnerrc +
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3785
		adapter->stats.ruc + adapter->stats.roc +
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3786
		adapter->stats.cexterr;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3787
	adapter->stats.rlerrc = adapter->stats.ruc + adapter->stats.roc;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3788
	netdev->stats.rx_length_errors = adapter->stats.rlerrc;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3789
	netdev->stats.rx_crc_errors = adapter->stats.crcerrs;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3790
	netdev->stats.rx_frame_errors = adapter->stats.algnerrc;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3791
	netdev->stats.rx_missed_errors = adapter->stats.mpc;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3792
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3793
	/* Tx Errors */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3794
	adapter->stats.txerrc = adapter->stats.ecol + adapter->stats.latecol;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3795
	netdev->stats.tx_errors = adapter->stats.txerrc;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3796
	netdev->stats.tx_aborted_errors = adapter->stats.ecol;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3797
	netdev->stats.tx_window_errors = adapter->stats.latecol;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3798
	netdev->stats.tx_carrier_errors = adapter->stats.tncrs;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3799
	if (hw->bad_tx_carr_stats_fd &&
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3800
	    adapter->link_duplex == FULL_DUPLEX) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3801
		netdev->stats.tx_carrier_errors = 0;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3802
		adapter->stats.tncrs = 0;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3803
	}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3804
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3805
	/* Tx Dropped needs to be maintained elsewhere */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3806
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3807
	/* Phy Stats */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3808
	if (hw->media_type == e1000_media_type_copper) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3809
		if ((adapter->link_speed == SPEED_1000) &&
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3810
		   (!e1000_read_phy_reg(hw, PHY_1000T_STATUS, &phy_tmp))) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3811
			phy_tmp &= PHY_IDLE_ERROR_COUNT_MASK;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3812
			adapter->phy_stats.idle_errors += phy_tmp;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3813
		}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3814
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3815
		if ((hw->mac_type <= e1000_82546) &&
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3816
		   (hw->phy_type == e1000_phy_m88) &&
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3817
		   !e1000_read_phy_reg(hw, M88E1000_RX_ERR_CNTR, &phy_tmp))
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3818
			adapter->phy_stats.receive_errors += phy_tmp;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3819
	}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3820
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3821
	/* Management Stats */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3822
	if (hw->has_smbus) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3823
		adapter->stats.mgptc += er32(MGTPTC);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3824
		adapter->stats.mgprc += er32(MGTPRC);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3825
		adapter->stats.mgpdc += er32(MGTPDC);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3826
	}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3827
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3828
	if (!adapter->ecdev) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3829
		spin_unlock_irqrestore(&adapter->stats_lock, flags);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3830
	}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3831
}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3832
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3833
void ec_poll(struct net_device *netdev)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3834
{
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3835
	struct e1000_adapter *adapter = netdev_priv(netdev);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3836
	if (jiffies - adapter->ec_watchdog_jiffies >= 2 * HZ) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3837
		e1000_watchdog(&adapter->watchdog_task.work);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3838
		adapter->ec_watchdog_jiffies = jiffies;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3839
	}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3840
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3841
	e1000_intr(0, netdev);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3842
}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3843
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3844
/**
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3845
 * e1000_intr - Interrupt Handler
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3846
 * @irq: interrupt number
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3847
 * @data: pointer to a network interface device structure
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3848
 **/
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3849
static irqreturn_t e1000_intr(int irq, void *data)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3850
{
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3851
	struct net_device *netdev = data;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3852
	struct e1000_adapter *adapter = netdev_priv(netdev);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3853
	struct e1000_hw *hw = &adapter->hw;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3854
	u32 icr = er32(ICR);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3855
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3856
	if (unlikely((!icr)))
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3857
		return IRQ_NONE;  /* Not our interrupt */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3858
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3859
	/* we might have caused the interrupt, but the above
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3860
	 * read cleared it, and just in case the driver is
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3861
	 * down there is nothing to do so return handled
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3862
	 */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3863
	if (unlikely(test_bit(__E1000_DOWN, &adapter->flags)))
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3864
		return IRQ_HANDLED;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3865
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3866
	if (unlikely(icr & (E1000_ICR_RXSEQ | E1000_ICR_LSC))) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3867
		hw->get_link_status = 1;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3868
		/* guard against interrupt when we're going down */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3869
		if (!adapter->ecdev && !test_bit(__E1000_DOWN, &adapter->flags))
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3870
			schedule_delayed_work(&adapter->watchdog_task, 1);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3871
	}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3872
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3873
	if (adapter->ecdev) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3874
		int i, ec_work_done = 0;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3875
		for (i = 0; i < E1000_MAX_INTR; i++) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3876
			if (unlikely(!adapter->clean_rx(adapter, adapter->rx_ring,
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3877
							&ec_work_done, 100) &&
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3878
						!e1000_clean_tx_irq(adapter, adapter->tx_ring))) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3879
				break;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3880
			}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3881
		}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3882
 	} else {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3883
		/* disable interrupts, without the synchronize_irq bit */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3884
		ew32(IMC, ~0);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3885
		E1000_WRITE_FLUSH();
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3886
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3887
		if (likely(napi_schedule_prep(&adapter->napi))) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3888
			adapter->total_tx_bytes = 0;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3889
			adapter->total_tx_packets = 0;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3890
			adapter->total_rx_bytes = 0;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3891
			adapter->total_rx_packets = 0;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3892
			__napi_schedule(&adapter->napi);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3893
		} else {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3894
			/* this really should not happen! if it does it is basically a
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3895
			 * bug, but not a hard error, so enable ints and continue
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3896
			 */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3897
			if (!test_bit(__E1000_DOWN, &adapter->flags))
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3898
				e1000_irq_enable(adapter);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3899
		}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3900
	}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3901
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3902
	return IRQ_HANDLED;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3903
}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3904
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3905
/**
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3906
 * e1000_clean - NAPI Rx polling callback
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3907
 * @adapter: board private structure
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3908
 * EtherCAT: never called
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3909
 **/
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3910
static int e1000_clean(struct napi_struct *napi, int budget)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3911
{
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3912
	struct e1000_adapter *adapter = container_of(napi, struct e1000_adapter,
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3913
						     napi);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3914
	int tx_clean_complete = 0, work_done = 0;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3915
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3916
	tx_clean_complete = e1000_clean_tx_irq(adapter, &adapter->tx_ring[0]);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3917
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3918
	adapter->clean_rx(adapter, &adapter->rx_ring[0], &work_done, budget);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3919
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3920
	if (!tx_clean_complete)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3921
		work_done = budget;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3922
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3923
	/* If budget not fully consumed, exit the polling mode */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3924
	if (work_done < budget) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3925
		if (likely(adapter->itr_setting & 3))
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3926
			e1000_set_itr(adapter);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3927
		napi_complete(napi);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3928
		if (!test_bit(__E1000_DOWN, &adapter->flags))
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3929
			e1000_irq_enable(adapter);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3930
	}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3931
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3932
	return work_done;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3933
}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3934
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3935
/**
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3936
 * e1000_clean_tx_irq - Reclaim resources after transmit completes
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3937
 * @adapter: board private structure
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3938
 **/
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3939
static bool e1000_clean_tx_irq(struct e1000_adapter *adapter,
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3940
			       struct e1000_tx_ring *tx_ring)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3941
{
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3942
	struct e1000_hw *hw = &adapter->hw;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3943
	struct net_device *netdev = adapter->netdev;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3944
	struct e1000_tx_desc *tx_desc, *eop_desc;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3945
	struct e1000_buffer *buffer_info;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3946
	unsigned int i, eop;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3947
	unsigned int count = 0;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3948
	unsigned int total_tx_bytes=0, total_tx_packets=0;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3949
	unsigned int bytes_compl = 0, pkts_compl = 0;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3950
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3951
	i = tx_ring->next_to_clean;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3952
	eop = tx_ring->buffer_info[i].next_to_watch;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3953
	eop_desc = E1000_TX_DESC(*tx_ring, eop);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3954
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3955
	while ((eop_desc->upper.data & cpu_to_le32(E1000_TXD_STAT_DD)) &&
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3956
	       (count < tx_ring->count)) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3957
		bool cleaned = false;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3958
		rmb();	/* read buffer_info after eop_desc */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3959
		for ( ; !cleaned; count++) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3960
			tx_desc = E1000_TX_DESC(*tx_ring, i);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3961
			buffer_info = &tx_ring->buffer_info[i];
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3962
			cleaned = (i == eop);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3963
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3964
			if (cleaned) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3965
				total_tx_packets += buffer_info->segs;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3966
				total_tx_bytes += buffer_info->bytecount;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3967
				if (buffer_info->skb) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3968
					bytes_compl += buffer_info->skb->len;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3969
					pkts_compl++;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3970
				}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3971
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3972
			}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3973
			e1000_unmap_and_free_tx_resource(adapter, buffer_info);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3974
			tx_desc->upper.data = 0;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3975
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3976
			if (unlikely(++i == tx_ring->count)) i = 0;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3977
		}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3978
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3979
		eop = tx_ring->buffer_info[i].next_to_watch;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3980
		eop_desc = E1000_TX_DESC(*tx_ring, eop);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3981
	}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3982
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3983
	tx_ring->next_to_clean = i;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3984
2599
4b0b906df1b4 Fixed bug concerning netdev_completed_queue(); thanks to B. Benner.
Florian Pose <fp@igh-essen.com>
parents: 2587
diff changeset
  3985
	if (!adapter->ecdev) {
4b0b906df1b4 Fixed bug concerning netdev_completed_queue(); thanks to B. Benner.
Florian Pose <fp@igh-essen.com>
parents: 2587
diff changeset
  3986
		netdev_completed_queue(netdev, pkts_compl, bytes_compl);
4b0b906df1b4 Fixed bug concerning netdev_completed_queue(); thanks to B. Benner.
Florian Pose <fp@igh-essen.com>
parents: 2587
diff changeset
  3987
	}
2587
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3988
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3989
#define TX_WAKE_THRESHOLD 32
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3990
	if (!adapter->ecdev && unlikely(count && netif_carrier_ok(netdev) &&
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3991
		     E1000_DESC_UNUSED(tx_ring) >= TX_WAKE_THRESHOLD)) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3992
		/* Make sure that anybody stopping the queue after this
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3993
		 * sees the new next_to_clean.
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3994
		 */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3995
		smp_mb();
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3996
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3997
		if (netif_queue_stopped(netdev) &&
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3998
		    !(test_bit(__E1000_DOWN, &adapter->flags))) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3999
			netif_wake_queue(netdev);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4000
			++adapter->restart_queue;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4001
		}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4002
	}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4003
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4004
	if (!adapter->ecdev && adapter->detect_tx_hung) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4005
		/* Detect a transmit hang in hardware, this serializes the
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4006
		 * check with the clearing of time_stamp and movement of i
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4007
		 */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4008
		adapter->detect_tx_hung = false;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4009
		if (tx_ring->buffer_info[eop].time_stamp &&
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4010
		    time_after(jiffies, tx_ring->buffer_info[eop].time_stamp +
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4011
			       (adapter->tx_timeout_factor * HZ)) &&
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4012
		    !(er32(STATUS) & E1000_STATUS_TXOFF)) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4013
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4014
			/* detected Tx unit hang */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4015
			e_err(drv, "Detected Tx Unit Hang\n"
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4016
			      "  Tx Queue             <%lu>\n"
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4017
			      "  TDH                  <%x>\n"
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4018
			      "  TDT                  <%x>\n"
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4019
			      "  next_to_use          <%x>\n"
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4020
			      "  next_to_clean        <%x>\n"
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4021
			      "buffer_info[next_to_clean]\n"
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4022
			      "  time_stamp           <%lx>\n"
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4023
			      "  next_to_watch        <%x>\n"
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4024
			      "  jiffies              <%lx>\n"
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4025
			      "  next_to_watch.status <%x>\n",
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4026
				(unsigned long)(tx_ring - adapter->tx_ring),
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4027
				readl(hw->hw_addr + tx_ring->tdh),
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4028
				readl(hw->hw_addr + tx_ring->tdt),
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4029
				tx_ring->next_to_use,
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4030
				tx_ring->next_to_clean,
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4031
				tx_ring->buffer_info[eop].time_stamp,
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4032
				eop,
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4033
				jiffies,
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4034
				eop_desc->upper.fields.status);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4035
			e1000_dump(adapter);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4036
			netif_stop_queue(netdev);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4037
		}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4038
	}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4039
	adapter->total_tx_bytes += total_tx_bytes;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4040
	adapter->total_tx_packets += total_tx_packets;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4041
	netdev->stats.tx_bytes += total_tx_bytes;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4042
	netdev->stats.tx_packets += total_tx_packets;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4043
	return count < tx_ring->count;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4044
}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4045
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4046
/**
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4047
 * e1000_rx_checksum - Receive Checksum Offload for 82543
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4048
 * @adapter:     board private structure
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4049
 * @status_err:  receive descriptor status and error fields
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4050
 * @csum:        receive descriptor csum field
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4051
 * @sk_buff:     socket buffer with received data
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4052
 **/
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4053
static void e1000_rx_checksum(struct e1000_adapter *adapter, u32 status_err,
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4054
			      u32 csum, struct sk_buff *skb)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4055
{
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4056
	struct e1000_hw *hw = &adapter->hw;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4057
	u16 status = (u16)status_err;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4058
	u8 errors = (u8)(status_err >> 24);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4059
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4060
	skb_checksum_none_assert(skb);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4061
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4062
	/* 82543 or newer only */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4063
	if (unlikely(hw->mac_type < e1000_82543)) return;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4064
	/* Ignore Checksum bit is set */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4065
	if (unlikely(status & E1000_RXD_STAT_IXSM)) return;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4066
	/* TCP/UDP checksum error bit is set */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4067
	if (unlikely(errors & E1000_RXD_ERR_TCPE)) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4068
		/* let the stack verify checksum errors */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4069
		adapter->hw_csum_err++;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4070
		return;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4071
	}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4072
	/* TCP/UDP Checksum has not been calculated */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4073
	if (!(status & E1000_RXD_STAT_TCPCS))
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4074
		return;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4075
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4076
	/* It must be a TCP or UDP packet with a valid checksum */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4077
	if (likely(status & E1000_RXD_STAT_TCPCS)) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4078
		/* TCP checksum is good */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4079
		skb->ip_summed = CHECKSUM_UNNECESSARY;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4080
	}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4081
	adapter->hw_csum_good++;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4082
}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4083
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4084
/**
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4085
 * e1000_consume_page - helper function
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4086
 **/
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4087
static void e1000_consume_page(struct e1000_buffer *bi, struct sk_buff *skb,
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4088
			       u16 length)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4089
{
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4090
	bi->page = NULL;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4091
	skb->len += length;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4092
	skb->data_len += length;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4093
	skb->truesize += PAGE_SIZE;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4094
}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4095
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4096
/**
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4097
 * e1000_receive_skb - helper function to handle rx indications
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4098
 * @adapter: board private structure
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4099
 * @status: descriptor status field as written by hardware
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4100
 * @vlan: descriptor vlan field as written by hardware (no le/be conversion)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4101
 * @skb: pointer to sk_buff to be indicated to stack
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4102
 */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4103
static void e1000_receive_skb(struct e1000_adapter *adapter, u8 status,
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4104
			      __le16 vlan, struct sk_buff *skb)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4105
{
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4106
	skb->protocol = eth_type_trans(skb, adapter->netdev);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4107
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4108
	if (status & E1000_RXD_STAT_VP) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4109
		u16 vid = le16_to_cpu(vlan) & E1000_RXD_SPC_VLAN_MASK;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4110
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4111
		__vlan_hwaccel_put_tag(skb, htons(ETH_P_8021Q), vid);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4112
	}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4113
	napi_gro_receive(&adapter->napi, skb);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4114
}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4115
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4116
/**
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4117
 * e1000_clean_jumbo_rx_irq - Send received data up the network stack; legacy
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4118
 * @adapter: board private structure
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4119
 * @rx_ring: ring to clean
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4120
 * @work_done: amount of napi work completed this call
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4121
 * @work_to_do: max amount of work allowed for this call to do
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4122
 *
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4123
 * the return value indicates whether actual cleaning was done, there
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4124
 * is no guarantee that everything was cleaned
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4125
 */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4126
static bool e1000_clean_jumbo_rx_irq(struct e1000_adapter *adapter,
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4127
				     struct e1000_rx_ring *rx_ring,
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4128
				     int *work_done, int work_to_do)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4129
{
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4130
	struct e1000_hw *hw = &adapter->hw;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4131
	struct net_device *netdev = adapter->netdev;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4132
	struct pci_dev *pdev = adapter->pdev;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4133
	struct e1000_rx_desc *rx_desc, *next_rxd;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4134
	struct e1000_buffer *buffer_info, *next_buffer;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4135
	unsigned long irq_flags;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4136
	u32 length;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4137
	unsigned int i;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4138
	int cleaned_count = 0;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4139
	bool cleaned = false;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4140
	unsigned int total_rx_bytes=0, total_rx_packets=0;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4141
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4142
	i = rx_ring->next_to_clean;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4143
	rx_desc = E1000_RX_DESC(*rx_ring, i);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4144
	buffer_info = &rx_ring->buffer_info[i];
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4145
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4146
	while (rx_desc->status & E1000_RXD_STAT_DD) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4147
		struct sk_buff *skb;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4148
		u8 status;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4149
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4150
		if (*work_done >= work_to_do)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4151
			break;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4152
		(*work_done)++;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4153
		rmb(); /* read descriptor and rx_buffer_info after status DD */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4154
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4155
		status = rx_desc->status;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4156
		skb = buffer_info->skb;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4157
		if (!adapter->ecdev) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4158
			buffer_info->skb = NULL;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4159
		}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4160
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4161
		if (++i == rx_ring->count) i = 0;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4162
		next_rxd = E1000_RX_DESC(*rx_ring, i);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4163
		prefetch(next_rxd);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4164
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4165
		next_buffer = &rx_ring->buffer_info[i];
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4166
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4167
		cleaned = true;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4168
		cleaned_count++;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4169
		dma_unmap_page(&pdev->dev, buffer_info->dma,
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4170
			       buffer_info->length, DMA_FROM_DEVICE);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4171
		buffer_info->dma = 0;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4172
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4173
		length = le16_to_cpu(rx_desc->length);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4174
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4175
		/* errors is only valid for DD + EOP descriptors */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4176
		if (!adapter->ecdev &&
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4177
		    unlikely((status & E1000_RXD_STAT_EOP) &&
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4178
		    (rx_desc->errors & E1000_RXD_ERR_FRAME_ERR_MASK))) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4179
			u8 *mapped;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4180
			u8 last_byte;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4181
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4182
			mapped = page_address(buffer_info->page);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4183
			last_byte = *(mapped + length - 1);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4184
			if (TBI_ACCEPT(hw, status, rx_desc->errors, length,
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4185
				       last_byte)) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4186
				spin_lock_irqsave(&adapter->stats_lock,
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4187
						  irq_flags);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4188
				e1000_tbi_adjust_stats(hw, &adapter->stats,
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4189
						       length, mapped);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4190
				spin_unlock_irqrestore(&adapter->stats_lock,
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4191
						       irq_flags);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4192
				length--;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4193
			} else {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4194
				if (netdev->features & NETIF_F_RXALL)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4195
					goto process_skb;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4196
				/* recycle both page and skb */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4197
				buffer_info->skb = skb;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4198
				/* an error means any chain goes out the window
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4199
				 * too
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4200
				 */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4201
				if (rx_ring->rx_skb_top)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4202
					dev_kfree_skb(rx_ring->rx_skb_top);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4203
				rx_ring->rx_skb_top = NULL;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4204
				goto next_desc;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4205
			}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4206
		}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4207
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4208
#define rxtop rx_ring->rx_skb_top
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4209
process_skb:
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4210
		if (!(status & E1000_RXD_STAT_EOP)) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4211
			/* this descriptor is only the beginning (or middle) */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4212
			if (!rxtop) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4213
				/* this is the beginning of a chain */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4214
				rxtop = skb;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4215
				skb_fill_page_desc(rxtop, 0, buffer_info->page,
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4216
						   0, length);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4217
			} else {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4218
				/* this is the middle of a chain */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4219
				skb_fill_page_desc(rxtop,
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4220
				    skb_shinfo(rxtop)->nr_frags,
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4221
				    buffer_info->page, 0, length);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4222
				/* re-use the skb, only consumed the page */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4223
				buffer_info->skb = skb;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4224
			}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4225
			e1000_consume_page(buffer_info, rxtop, length);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4226
			goto next_desc;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4227
		} else {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4228
			if (rxtop) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4229
				/* end of the chain */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4230
				skb_fill_page_desc(rxtop,
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4231
				    skb_shinfo(rxtop)->nr_frags,
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4232
				    buffer_info->page, 0, length);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4233
				/* re-use the current skb, we only consumed the
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4234
				 * page
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4235
				 */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4236
				buffer_info->skb = skb;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4237
				skb = rxtop;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4238
				rxtop = NULL;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4239
				e1000_consume_page(buffer_info, skb, length);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4240
			} else {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4241
				/* no chain, got EOP, this buf is the packet
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4242
				 * copybreak to save the put_page/alloc_page
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4243
				 */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4244
				if (length <= copybreak &&
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4245
				    skb_tailroom(skb) >= length) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4246
					u8 *vaddr;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4247
					vaddr = kmap_atomic(buffer_info->page);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4248
					memcpy(skb_tail_pointer(skb), vaddr,
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4249
					       length);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4250
					kunmap_atomic(vaddr);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4251
					/* re-use the page, so don't erase
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4252
					 * buffer_info->page
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4253
					 */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4254
					skb_put(skb, length);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4255
				} else {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4256
					skb_fill_page_desc(skb, 0,
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4257
							   buffer_info->page, 0,
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4258
							   length);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4259
					e1000_consume_page(buffer_info, skb,
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4260
							   length);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4261
				}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4262
			}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4263
		}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4264
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4265
		/* Receive Checksum Offload XXX recompute due to CRC strip? */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4266
		e1000_rx_checksum(adapter,
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4267
				  (u32)(status) |
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4268
				  ((u32)(rx_desc->errors) << 24),
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4269
				  le16_to_cpu(rx_desc->csum), skb);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4270
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4271
		total_rx_bytes += (skb->len - 4); /* don't count FCS */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4272
		if (likely(!(netdev->features & NETIF_F_RXFCS)))
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4273
			pskb_trim(skb, skb->len - 4);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4274
		total_rx_packets++;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4275
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4276
		/* eth type trans needs skb->data to point to something */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4277
		if (!pskb_may_pull(skb, ETH_HLEN)) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4278
			e_err(drv, "pskb_may_pull failed.\n");
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4279
			if (!adapter->ecdev) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4280
				dev_kfree_skb(skb);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4281
			}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4282
			goto next_desc;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4283
		}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4284
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4285
		if (adapter->ecdev) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4286
			ecdev_receive(adapter->ecdev, skb->data, length);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4287
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4288
			// No need to detect link status as
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4289
			// long as frames are received: Reset watchdog.
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4290
			adapter->ec_watchdog_jiffies = jiffies;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4291
		} else {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4292
			e1000_receive_skb(adapter, status, rx_desc->special, skb);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4293
		}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4294
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4295
next_desc:
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4296
		rx_desc->status = 0;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4297
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4298
		/* return some buffers to hardware, one at a time is too slow */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4299
		if (unlikely(cleaned_count >= E1000_RX_BUFFER_WRITE)) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4300
			adapter->alloc_rx_buf(adapter, rx_ring, cleaned_count);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4301
			cleaned_count = 0;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4302
		}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4303
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4304
		/* use prefetched values */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4305
		rx_desc = next_rxd;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4306
		buffer_info = next_buffer;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4307
	}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4308
	rx_ring->next_to_clean = i;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4309
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4310
	cleaned_count = E1000_DESC_UNUSED(rx_ring);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4311
	if (cleaned_count)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4312
		adapter->alloc_rx_buf(adapter, rx_ring, cleaned_count);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4313
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4314
	adapter->total_rx_packets += total_rx_packets;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4315
	adapter->total_rx_bytes += total_rx_bytes;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4316
	netdev->stats.rx_bytes += total_rx_bytes;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4317
	netdev->stats.rx_packets += total_rx_packets;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4318
	return cleaned;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4319
}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4320
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4321
/* this should improve performance for small packets with large amounts
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4322
 * of reassembly being done in the stack
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4323
 */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4324
static void e1000_check_copybreak(struct net_device *netdev,
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4325
				 struct e1000_buffer *buffer_info,
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4326
				 u32 length, struct sk_buff **skb)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4327
{
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4328
	struct e1000_adapter *adapter = netdev_priv(netdev);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4329
	struct sk_buff *new_skb;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4330
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4331
	if (adapter->ecdev || length > copybreak)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4332
		return;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4333
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4334
	new_skb = netdev_alloc_skb_ip_align(netdev, length);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4335
	if (!new_skb)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4336
		return;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4337
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4338
	skb_copy_to_linear_data_offset(new_skb, -NET_IP_ALIGN,
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4339
				       (*skb)->data - NET_IP_ALIGN,
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4340
				       length + NET_IP_ALIGN);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4341
	/* save the skb in buffer_info as good */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4342
	buffer_info->skb = *skb;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4343
	*skb = new_skb;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4344
}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4345
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4346
/**
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4347
 * e1000_clean_rx_irq - Send received data up the network stack; legacy
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4348
 * @adapter: board private structure
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4349
 * @rx_ring: ring to clean
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4350
 * @work_done: amount of napi work completed this call
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4351
 * @work_to_do: max amount of work allowed for this call to do
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4352
 */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4353
static bool e1000_clean_rx_irq(struct e1000_adapter *adapter,
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4354
			       struct e1000_rx_ring *rx_ring,
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4355
			       int *work_done, int work_to_do)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4356
{
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4357
	struct e1000_hw *hw = &adapter->hw;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4358
	struct net_device *netdev = adapter->netdev;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4359
	struct pci_dev *pdev = adapter->pdev;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4360
	struct e1000_rx_desc *rx_desc, *next_rxd;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4361
	struct e1000_buffer *buffer_info, *next_buffer;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4362
	unsigned long flags;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4363
	u32 length;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4364
	unsigned int i;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4365
	int cleaned_count = 0;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4366
	bool cleaned = false;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4367
	unsigned int total_rx_bytes=0, total_rx_packets=0;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4368
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4369
	i = rx_ring->next_to_clean;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4370
	rx_desc = E1000_RX_DESC(*rx_ring, i);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4371
	buffer_info = &rx_ring->buffer_info[i];
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4372
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4373
	while (rx_desc->status & E1000_RXD_STAT_DD) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4374
		struct sk_buff *skb;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4375
		u8 status;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4376
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4377
		if (*work_done >= work_to_do)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4378
			break;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4379
		(*work_done)++;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4380
		rmb(); /* read descriptor and rx_buffer_info after status DD */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4381
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4382
		status = rx_desc->status;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4383
		skb = buffer_info->skb;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4384
		if (!adapter->ecdev) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4385
			buffer_info->skb = NULL;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4386
		}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4387
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4388
		prefetch(skb->data - NET_IP_ALIGN);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4389
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4390
		if (++i == rx_ring->count) i = 0;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4391
		next_rxd = E1000_RX_DESC(*rx_ring, i);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4392
		prefetch(next_rxd);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4393
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4394
		next_buffer = &rx_ring->buffer_info[i];
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4395
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4396
		cleaned = true;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4397
		cleaned_count++;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4398
		dma_unmap_single(&pdev->dev, buffer_info->dma,
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4399
				 buffer_info->length, DMA_FROM_DEVICE);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4400
		buffer_info->dma = 0;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4401
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4402
		length = le16_to_cpu(rx_desc->length);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4403
		/* !EOP means multiple descriptors were used to store a single
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4404
		 * packet, if thats the case we need to toss it.  In fact, we
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4405
		 * to toss every packet with the EOP bit clear and the next
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4406
		 * frame that _does_ have the EOP bit set, as it is by
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4407
		 * definition only a frame fragment
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4408
		 */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4409
		if (unlikely(!(status & E1000_RXD_STAT_EOP)))
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4410
			adapter->discarding = true;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4411
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4412
		if (adapter->discarding) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4413
			/* All receives must fit into a single buffer */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4414
			e_dbg("Receive packet consumed multiple buffers\n");
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4415
			/* recycle */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4416
			buffer_info->skb = skb;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4417
			if (status & E1000_RXD_STAT_EOP)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4418
				adapter->discarding = false;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4419
			goto next_desc;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4420
		}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4421
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4422
		if (!adapter->ecdev &&
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4423
		    unlikely(rx_desc->errors & E1000_RXD_ERR_FRAME_ERR_MASK)) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4424
			u8 last_byte = *(skb->data + length - 1);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4425
			if (TBI_ACCEPT(hw, status, rx_desc->errors, length,
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4426
				       last_byte)) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4427
				spin_lock_irqsave(&adapter->stats_lock, flags);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4428
				e1000_tbi_adjust_stats(hw, &adapter->stats,
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4429
						       length, skb->data);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4430
				spin_unlock_irqrestore(&adapter->stats_lock,
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4431
						       flags);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4432
				length--;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4433
			} else {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4434
				if (netdev->features & NETIF_F_RXALL)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4435
					goto process_skb;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4436
				/* recycle */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4437
				buffer_info->skb = skb;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4438
				goto next_desc;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4439
			}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4440
		}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4441
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4442
process_skb:
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4443
		total_rx_bytes += (length - 4); /* don't count FCS */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4444
		total_rx_packets++;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4445
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4446
		if (likely(!(netdev->features & NETIF_F_RXFCS)))
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4447
			/* adjust length to remove Ethernet CRC, this must be
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4448
			 * done after the TBI_ACCEPT workaround above
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4449
			 */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4450
			length -= 4;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4451
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4452
		e1000_check_copybreak(netdev, buffer_info, length, &skb);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4453
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4454
		skb_put(skb, length);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4455
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4456
		/* Receive Checksum Offload */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4457
		e1000_rx_checksum(adapter,
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4458
				  (u32)(status) |
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4459
				  ((u32)(rx_desc->errors) << 24),
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4460
				  le16_to_cpu(rx_desc->csum), skb);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4461
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4462
		if (adapter->ecdev) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4463
			ecdev_receive(adapter->ecdev, skb->data, length);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4464
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4465
			// No need to detect link status as
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4466
			// long as frames are received: Reset watchdog.
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4467
			adapter->ec_watchdog_jiffies = jiffies;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4468
		} else {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4469
			e1000_receive_skb(adapter, status, rx_desc->special, skb);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4470
		}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4471
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4472
next_desc:
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4473
		rx_desc->status = 0;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4474
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4475
		/* return some buffers to hardware, one at a time is too slow */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4476
		if (unlikely(cleaned_count >= E1000_RX_BUFFER_WRITE)) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4477
			adapter->alloc_rx_buf(adapter, rx_ring, cleaned_count);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4478
			cleaned_count = 0;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4479
		}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4480
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4481
		/* use prefetched values */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4482
		rx_desc = next_rxd;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4483
		buffer_info = next_buffer;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4484
	}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4485
	rx_ring->next_to_clean = i;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4486
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4487
	cleaned_count = E1000_DESC_UNUSED(rx_ring);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4488
	if (cleaned_count)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4489
		adapter->alloc_rx_buf(adapter, rx_ring, cleaned_count);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4490
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4491
	adapter->total_rx_packets += total_rx_packets;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4492
	adapter->total_rx_bytes += total_rx_bytes;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4493
	netdev->stats.rx_bytes += total_rx_bytes;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4494
	netdev->stats.rx_packets += total_rx_packets;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4495
	return cleaned;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4496
}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4497
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4498
/**
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4499
 * e1000_alloc_jumbo_rx_buffers - Replace used jumbo receive buffers
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4500
 * @adapter: address of board private structure
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4501
 * @rx_ring: pointer to receive ring structure
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4502
 * @cleaned_count: number of buffers to allocate this pass
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4503
 **/
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4504
static void
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4505
e1000_alloc_jumbo_rx_buffers(struct e1000_adapter *adapter,
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4506
			     struct e1000_rx_ring *rx_ring, int cleaned_count)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4507
{
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4508
	struct net_device *netdev = adapter->netdev;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4509
	struct pci_dev *pdev = adapter->pdev;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4510
	struct e1000_rx_desc *rx_desc;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4511
	struct e1000_buffer *buffer_info;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4512
	struct sk_buff *skb;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4513
	unsigned int i;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4514
	unsigned int bufsz = 256 - 16 /*for skb_reserve */ ;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4515
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4516
	i = rx_ring->next_to_use;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4517
	buffer_info = &rx_ring->buffer_info[i];
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4518
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4519
	while (cleaned_count--) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4520
		skb = buffer_info->skb;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4521
		if (skb) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4522
			skb_trim(skb, 0);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4523
			goto check_page;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4524
		}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4525
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4526
		skb = netdev_alloc_skb_ip_align(netdev, bufsz);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4527
		if (unlikely(!skb)) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4528
			/* Better luck next round */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4529
			adapter->alloc_rx_buff_failed++;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4530
			break;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4531
		}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4532
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4533
		buffer_info->skb = skb;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4534
		buffer_info->length = adapter->rx_buffer_len;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4535
check_page:
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4536
		/* allocate a new page if necessary */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4537
		if (!buffer_info->page) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4538
			buffer_info->page = alloc_page(GFP_ATOMIC);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4539
			if (unlikely(!buffer_info->page)) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4540
				adapter->alloc_rx_buff_failed++;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4541
				break;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4542
			}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4543
		}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4544
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4545
		if (!buffer_info->dma) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4546
			buffer_info->dma = dma_map_page(&pdev->dev,
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4547
							buffer_info->page, 0,
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4548
							buffer_info->length,
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4549
							DMA_FROM_DEVICE);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4550
			if (dma_mapping_error(&pdev->dev, buffer_info->dma)) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4551
				put_page(buffer_info->page);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4552
				dev_kfree_skb(skb);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4553
				buffer_info->page = NULL;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4554
				buffer_info->skb = NULL;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4555
				buffer_info->dma = 0;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4556
				adapter->alloc_rx_buff_failed++;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4557
				break; /* while !buffer_info->skb */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4558
			}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4559
		}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4560
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4561
		rx_desc = E1000_RX_DESC(*rx_ring, i);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4562
		rx_desc->buffer_addr = cpu_to_le64(buffer_info->dma);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4563
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4564
		if (unlikely(++i == rx_ring->count))
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4565
			i = 0;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4566
		buffer_info = &rx_ring->buffer_info[i];
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4567
	}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4568
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4569
	if (likely(rx_ring->next_to_use != i)) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4570
		rx_ring->next_to_use = i;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4571
		if (unlikely(i-- == 0))
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4572
			i = (rx_ring->count - 1);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4573
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4574
		/* Force memory writes to complete before letting h/w
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4575
		 * know there are new descriptors to fetch.  (Only
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4576
		 * applicable for weak-ordered memory model archs,
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4577
		 * such as IA-64).
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4578
		 */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4579
		wmb();
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4580
		writel(i, adapter->hw.hw_addr + rx_ring->rdt);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4581
	}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4582
}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4583
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4584
/**
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4585
 * e1000_alloc_rx_buffers - Replace used receive buffers; legacy & extended
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4586
 * @adapter: address of board private structure
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4587
 **/
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4588
static void e1000_alloc_rx_buffers(struct e1000_adapter *adapter,
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4589
				   struct e1000_rx_ring *rx_ring,
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4590
				   int cleaned_count)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4591
{
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4592
	struct e1000_hw *hw = &adapter->hw;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4593
	struct net_device *netdev = adapter->netdev;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4594
	struct pci_dev *pdev = adapter->pdev;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4595
	struct e1000_rx_desc *rx_desc;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4596
	struct e1000_buffer *buffer_info;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4597
	struct sk_buff *skb;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4598
	unsigned int i;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4599
	unsigned int bufsz = adapter->rx_buffer_len;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4600
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4601
	i = rx_ring->next_to_use;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4602
	buffer_info = &rx_ring->buffer_info[i];
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4603
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4604
	while (cleaned_count--) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4605
		skb = buffer_info->skb;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4606
		if (skb) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4607
			skb_trim(skb, 0);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4608
			goto map_skb;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4609
		}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4610
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4611
		skb = netdev_alloc_skb_ip_align(netdev, bufsz);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4612
		if (unlikely(!skb)) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4613
			/* Better luck next round */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4614
			adapter->alloc_rx_buff_failed++;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4615
			break;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4616
		}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4617
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4618
		/* Fix for errata 23, can't cross 64kB boundary */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4619
		if (!e1000_check_64k_bound(adapter, skb->data, bufsz)) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4620
			struct sk_buff *oldskb = skb;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4621
			e_err(rx_err, "skb align check failed: %u bytes at "
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4622
			      "%p\n", bufsz, skb->data);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4623
			/* Try again, without freeing the previous */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4624
			skb = netdev_alloc_skb_ip_align(netdev, bufsz);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4625
			/* Failed allocation, critical failure */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4626
			if (!skb) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4627
				dev_kfree_skb(oldskb);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4628
				adapter->alloc_rx_buff_failed++;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4629
				break;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4630
			}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4631
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4632
			if (!e1000_check_64k_bound(adapter, skb->data, bufsz)) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4633
				/* give up */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4634
				dev_kfree_skb(skb);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4635
				dev_kfree_skb(oldskb);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4636
				adapter->alloc_rx_buff_failed++;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4637
				break; /* while !buffer_info->skb */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4638
			}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4639
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4640
			/* Use new allocation */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4641
			dev_kfree_skb(oldskb);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4642
		}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4643
		buffer_info->skb = skb;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4644
		buffer_info->length = adapter->rx_buffer_len;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4645
map_skb:
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4646
		buffer_info->dma = dma_map_single(&pdev->dev,
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4647
						  skb->data,
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4648
						  buffer_info->length,
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4649
						  DMA_FROM_DEVICE);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4650
		if (dma_mapping_error(&pdev->dev, buffer_info->dma)) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4651
			dev_kfree_skb(skb);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4652
			buffer_info->skb = NULL;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4653
			buffer_info->dma = 0;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4654
			adapter->alloc_rx_buff_failed++;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4655
			break; /* while !buffer_info->skb */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4656
		}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4657
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4658
		/* XXX if it was allocated cleanly it will never map to a
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4659
		 * boundary crossing
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4660
		 */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4661
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4662
		/* Fix for errata 23, can't cross 64kB boundary */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4663
		if (!e1000_check_64k_bound(adapter,
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4664
					(void *)(unsigned long)buffer_info->dma,
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4665
					adapter->rx_buffer_len)) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4666
			e_err(rx_err, "dma align check failed: %u bytes at "
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4667
			      "%p\n", adapter->rx_buffer_len,
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4668
			      (void *)(unsigned long)buffer_info->dma);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4669
			dev_kfree_skb(skb);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4670
			buffer_info->skb = NULL;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4671
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4672
			dma_unmap_single(&pdev->dev, buffer_info->dma,
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4673
					 adapter->rx_buffer_len,
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4674
					 DMA_FROM_DEVICE);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4675
			buffer_info->dma = 0;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4676
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4677
			adapter->alloc_rx_buff_failed++;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4678
			break; /* while !buffer_info->skb */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4679
		}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4680
		rx_desc = E1000_RX_DESC(*rx_ring, i);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4681
		rx_desc->buffer_addr = cpu_to_le64(buffer_info->dma);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4682
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4683
		if (unlikely(++i == rx_ring->count))
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4684
			i = 0;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4685
		buffer_info = &rx_ring->buffer_info[i];
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4686
	}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4687
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4688
	if (likely(rx_ring->next_to_use != i)) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4689
		rx_ring->next_to_use = i;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4690
		if (unlikely(i-- == 0))
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4691
			i = (rx_ring->count - 1);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4692
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4693
		/* Force memory writes to complete before letting h/w
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4694
		 * know there are new descriptors to fetch.  (Only
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4695
		 * applicable for weak-ordered memory model archs,
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4696
		 * such as IA-64).
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4697
		 */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4698
		wmb();
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4699
		writel(i, hw->hw_addr + rx_ring->rdt);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4700
	}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4701
}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4702
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4703
/**
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4704
 * e1000_smartspeed - Workaround for SmartSpeed on 82541 and 82547 controllers.
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4705
 * @adapter:
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4706
 **/
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4707
static void e1000_smartspeed(struct e1000_adapter *adapter)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4708
{
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4709
	struct e1000_hw *hw = &adapter->hw;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4710
	u16 phy_status;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4711
	u16 phy_ctrl;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4712
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4713
	if ((hw->phy_type != e1000_phy_igp) || !hw->autoneg ||
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4714
	   !(hw->autoneg_advertised & ADVERTISE_1000_FULL))
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4715
		return;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4716
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4717
	if (adapter->smartspeed == 0) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4718
		/* If Master/Slave config fault is asserted twice,
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4719
		 * we assume back-to-back
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4720
		 */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4721
		e1000_read_phy_reg(hw, PHY_1000T_STATUS, &phy_status);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4722
		if (!(phy_status & SR_1000T_MS_CONFIG_FAULT)) return;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4723
		e1000_read_phy_reg(hw, PHY_1000T_STATUS, &phy_status);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4724
		if (!(phy_status & SR_1000T_MS_CONFIG_FAULT)) return;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4725
		e1000_read_phy_reg(hw, PHY_1000T_CTRL, &phy_ctrl);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4726
		if (phy_ctrl & CR_1000T_MS_ENABLE) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4727
			phy_ctrl &= ~CR_1000T_MS_ENABLE;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4728
			e1000_write_phy_reg(hw, PHY_1000T_CTRL,
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4729
					    phy_ctrl);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4730
			adapter->smartspeed++;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4731
			if (!e1000_phy_setup_autoneg(hw) &&
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4732
			   !e1000_read_phy_reg(hw, PHY_CTRL,
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4733
					       &phy_ctrl)) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4734
				phy_ctrl |= (MII_CR_AUTO_NEG_EN |
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4735
					     MII_CR_RESTART_AUTO_NEG);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4736
				e1000_write_phy_reg(hw, PHY_CTRL,
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4737
						    phy_ctrl);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4738
			}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4739
		}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4740
		return;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4741
	} else if (adapter->smartspeed == E1000_SMARTSPEED_DOWNSHIFT) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4742
		/* If still no link, perhaps using 2/3 pair cable */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4743
		e1000_read_phy_reg(hw, PHY_1000T_CTRL, &phy_ctrl);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4744
		phy_ctrl |= CR_1000T_MS_ENABLE;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4745
		e1000_write_phy_reg(hw, PHY_1000T_CTRL, phy_ctrl);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4746
		if (!e1000_phy_setup_autoneg(hw) &&
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4747
		   !e1000_read_phy_reg(hw, PHY_CTRL, &phy_ctrl)) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4748
			phy_ctrl |= (MII_CR_AUTO_NEG_EN |
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4749
				     MII_CR_RESTART_AUTO_NEG);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4750
			e1000_write_phy_reg(hw, PHY_CTRL, phy_ctrl);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4751
		}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4752
	}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4753
	/* Restart process after E1000_SMARTSPEED_MAX iterations */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4754
	if (adapter->smartspeed++ == E1000_SMARTSPEED_MAX)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4755
		adapter->smartspeed = 0;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4756
}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4757
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4758
/**
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4759
 * e1000_ioctl -
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4760
 * @netdev:
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4761
 * @ifreq:
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4762
 * @cmd:
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4763
 **/
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4764
static int e1000_ioctl(struct net_device *netdev, struct ifreq *ifr, int cmd)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4765
{
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4766
	switch (cmd) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4767
	case SIOCGMIIPHY:
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4768
	case SIOCGMIIREG:
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4769
	case SIOCSMIIREG:
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4770
		return e1000_mii_ioctl(netdev, ifr, cmd);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4771
	default:
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4772
		return -EOPNOTSUPP;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4773
	}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4774
}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4775
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4776
/**
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4777
 * e1000_mii_ioctl -
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4778
 * @netdev:
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4779
 * @ifreq:
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4780
 * @cmd:
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4781
 **/
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4782
static int e1000_mii_ioctl(struct net_device *netdev, struct ifreq *ifr,
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4783
			   int cmd)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4784
{
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4785
	struct e1000_adapter *adapter = netdev_priv(netdev);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4786
	struct e1000_hw *hw = &adapter->hw;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4787
	struct mii_ioctl_data *data = if_mii(ifr);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4788
	int retval;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4789
	u16 mii_reg;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4790
	unsigned long flags;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4791
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4792
	if (hw->media_type != e1000_media_type_copper)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4793
		return -EOPNOTSUPP;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4794
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4795
	switch (cmd) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4796
	case SIOCGMIIPHY:
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4797
		data->phy_id = hw->phy_addr;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4798
		break;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4799
	case SIOCGMIIREG:
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4800
		if (adapter->ecdev) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4801
			return -EPERM;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4802
		}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4803
		spin_lock_irqsave(&adapter->stats_lock, flags);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4804
		if (e1000_read_phy_reg(hw, data->reg_num & 0x1F,
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4805
				   &data->val_out)) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4806
			spin_unlock_irqrestore(&adapter->stats_lock, flags);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4807
			return -EIO;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4808
		}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4809
		spin_unlock_irqrestore(&adapter->stats_lock, flags);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4810
		break;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4811
	case SIOCSMIIREG:
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4812
		if (adapter->ecdev) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4813
			return -EPERM;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4814
		}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4815
		if (data->reg_num & ~(0x1F))
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4816
			return -EFAULT;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4817
		mii_reg = data->val_in;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4818
		spin_lock_irqsave(&adapter->stats_lock, flags);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4819
		if (e1000_write_phy_reg(hw, data->reg_num,
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4820
					mii_reg)) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4821
			spin_unlock_irqrestore(&adapter->stats_lock, flags);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4822
			return -EIO;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4823
		}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4824
		spin_unlock_irqrestore(&adapter->stats_lock, flags);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4825
		if (hw->media_type == e1000_media_type_copper) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4826
			switch (data->reg_num) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4827
			case PHY_CTRL:
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4828
				if (mii_reg & MII_CR_POWER_DOWN)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4829
					break;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4830
				if (mii_reg & MII_CR_AUTO_NEG_EN) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4831
					hw->autoneg = 1;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4832
					hw->autoneg_advertised = 0x2F;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4833
				} else {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4834
					u32 speed;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4835
					if (mii_reg & 0x40)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4836
						speed = SPEED_1000;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4837
					else if (mii_reg & 0x2000)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4838
						speed = SPEED_100;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4839
					else
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4840
						speed = SPEED_10;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4841
					retval = e1000_set_spd_dplx(
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4842
						adapter, speed,
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4843
						((mii_reg & 0x100)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4844
						 ? DUPLEX_FULL :
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4845
						 DUPLEX_HALF));
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4846
					if (retval)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4847
						return retval;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4848
				}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4849
				if (netif_running(adapter->netdev))
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4850
					e1000_reinit_locked(adapter);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4851
				else
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4852
					e1000_reset(adapter);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4853
				break;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4854
			case M88E1000_PHY_SPEC_CTRL:
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4855
			case M88E1000_EXT_PHY_SPEC_CTRL:
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4856
				if (e1000_phy_reset(hw))
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4857
					return -EIO;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4858
				break;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4859
			}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4860
		} else {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4861
			switch (data->reg_num) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4862
			case PHY_CTRL:
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4863
				if (mii_reg & MII_CR_POWER_DOWN)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4864
					break;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4865
				if (netif_running(adapter->netdev))
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4866
					e1000_reinit_locked(adapter);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4867
				else
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4868
					e1000_reset(adapter);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4869
				break;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4870
			}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4871
		}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4872
		break;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4873
	default:
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4874
		return -EOPNOTSUPP;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4875
	}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4876
	return E1000_SUCCESS;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4877
}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4878
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4879
void e1000_pci_set_mwi(struct e1000_hw *hw)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4880
{
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4881
	struct e1000_adapter *adapter = hw->back;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4882
	int ret_val = pci_set_mwi(adapter->pdev);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4883
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4884
	if (ret_val)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4885
		e_err(probe, "Error in setting MWI\n");
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4886
}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4887
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4888
void e1000_pci_clear_mwi(struct e1000_hw *hw)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4889
{
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4890
	struct e1000_adapter *adapter = hw->back;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4891
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4892
	pci_clear_mwi(adapter->pdev);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4893
}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4894
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4895
int e1000_pcix_get_mmrbc(struct e1000_hw *hw)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4896
{
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4897
	struct e1000_adapter *adapter = hw->back;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4898
	return pcix_get_mmrbc(adapter->pdev);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4899
}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4900
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4901
void e1000_pcix_set_mmrbc(struct e1000_hw *hw, int mmrbc)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4902
{
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4903
	struct e1000_adapter *adapter = hw->back;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4904
	pcix_set_mmrbc(adapter->pdev, mmrbc);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4905
}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4906
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4907
void e1000_io_write(struct e1000_hw *hw, unsigned long port, u32 value)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4908
{
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4909
	outl(value, port);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4910
}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4911
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4912
static bool e1000_vlan_used(struct e1000_adapter *adapter)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4913
{
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4914
	u16 vid;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4915
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4916
	for_each_set_bit(vid, adapter->active_vlans, VLAN_N_VID)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4917
		return true;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4918
	return false;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4919
}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4920
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4921
static void __e1000_vlan_mode(struct e1000_adapter *adapter,
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4922
			      netdev_features_t features)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4923
{
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4924
	struct e1000_hw *hw = &adapter->hw;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4925
	u32 ctrl;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4926
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4927
	ctrl = er32(CTRL);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4928
	if (features & NETIF_F_HW_VLAN_CTAG_RX) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4929
		/* enable VLAN tag insert/strip */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4930
		ctrl |= E1000_CTRL_VME;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4931
	} else {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4932
		/* disable VLAN tag insert/strip */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4933
		ctrl &= ~E1000_CTRL_VME;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4934
	}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4935
	ew32(CTRL, ctrl);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4936
}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4937
static void e1000_vlan_filter_on_off(struct e1000_adapter *adapter,
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4938
				     bool filter_on)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4939
{
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4940
	struct e1000_hw *hw = &adapter->hw;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4941
	u32 rctl;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4942
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4943
	if (!test_bit(__E1000_DOWN, &adapter->flags))
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4944
		e1000_irq_disable(adapter);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4945
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4946
	__e1000_vlan_mode(adapter, adapter->netdev->features);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4947
	if (filter_on) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4948
		/* enable VLAN receive filtering */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4949
		rctl = er32(RCTL);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4950
		rctl &= ~E1000_RCTL_CFIEN;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4951
		if (!(adapter->netdev->flags & IFF_PROMISC))
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4952
			rctl |= E1000_RCTL_VFE;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4953
		ew32(RCTL, rctl);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4954
		e1000_update_mng_vlan(adapter);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4955
	} else {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4956
		/* disable VLAN receive filtering */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4957
		rctl = er32(RCTL);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4958
		rctl &= ~E1000_RCTL_VFE;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4959
		ew32(RCTL, rctl);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4960
	}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4961
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4962
	if (!test_bit(__E1000_DOWN, &adapter->flags))
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4963
		e1000_irq_enable(adapter);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4964
}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4965
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4966
static void e1000_vlan_mode(struct net_device *netdev,
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4967
			    netdev_features_t features)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4968
{
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4969
	struct e1000_adapter *adapter = netdev_priv(netdev);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4970
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4971
	if (!test_bit(__E1000_DOWN, &adapter->flags))
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4972
		e1000_irq_disable(adapter);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4973
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4974
	__e1000_vlan_mode(adapter, features);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4975
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4976
	if (!test_bit(__E1000_DOWN, &adapter->flags))
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4977
		e1000_irq_enable(adapter);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4978
}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4979
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4980
static int e1000_vlan_rx_add_vid(struct net_device *netdev,
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4981
				 __be16 proto, u16 vid)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4982
{
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4983
	struct e1000_adapter *adapter = netdev_priv(netdev);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4984
	struct e1000_hw *hw = &adapter->hw;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4985
	u32 vfta, index;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4986
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4987
	if ((hw->mng_cookie.status &
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4988
	     E1000_MNG_DHCP_COOKIE_STATUS_VLAN_SUPPORT) &&
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4989
	    (vid == adapter->mng_vlan_id))
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4990
		return 0;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4991
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4992
	if (!e1000_vlan_used(adapter))
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4993
		e1000_vlan_filter_on_off(adapter, true);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4994
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4995
	/* add VID to filter table */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4996
	index = (vid >> 5) & 0x7F;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4997
	vfta = E1000_READ_REG_ARRAY(hw, VFTA, index);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4998
	vfta |= (1 << (vid & 0x1F));
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4999
	e1000_write_vfta(hw, index, vfta);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5000
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5001
	set_bit(vid, adapter->active_vlans);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5002
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5003
	return 0;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5004
}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5005
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5006
static int e1000_vlan_rx_kill_vid(struct net_device *netdev,
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5007
				  __be16 proto, u16 vid)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5008
{
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5009
	struct e1000_adapter *adapter = netdev_priv(netdev);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5010
	struct e1000_hw *hw = &adapter->hw;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5011
	u32 vfta, index;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5012
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5013
	if (!test_bit(__E1000_DOWN, &adapter->flags))
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5014
		e1000_irq_disable(adapter);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5015
	if (!test_bit(__E1000_DOWN, &adapter->flags))
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5016
		e1000_irq_enable(adapter);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5017
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5018
	/* remove VID from filter table */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5019
	index = (vid >> 5) & 0x7F;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5020
	vfta = E1000_READ_REG_ARRAY(hw, VFTA, index);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5021
	vfta &= ~(1 << (vid & 0x1F));
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5022
	e1000_write_vfta(hw, index, vfta);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5023
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5024
	clear_bit(vid, adapter->active_vlans);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5025
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5026
	if (!e1000_vlan_used(adapter))
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5027
		e1000_vlan_filter_on_off(adapter, false);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5028
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5029
	return 0;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5030
}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5031
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5032
static void e1000_restore_vlan(struct e1000_adapter *adapter)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5033
{
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5034
	u16 vid;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5035
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5036
	if (!e1000_vlan_used(adapter))
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5037
		return;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5038
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5039
	e1000_vlan_filter_on_off(adapter, true);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5040
	for_each_set_bit(vid, adapter->active_vlans, VLAN_N_VID)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5041
		e1000_vlan_rx_add_vid(adapter->netdev, htons(ETH_P_8021Q), vid);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5042
}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5043
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5044
int e1000_set_spd_dplx(struct e1000_adapter *adapter, u32 spd, u8 dplx)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5045
{
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5046
	struct e1000_hw *hw = &adapter->hw;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5047
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5048
	hw->autoneg = 0;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5049
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5050
	/* Make sure dplx is at most 1 bit and lsb of speed is not set
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5051
	 * for the switch() below to work
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5052
	 */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5053
	if ((spd & 1) || (dplx & ~1))
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5054
		goto err_inval;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5055
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5056
	/* Fiber NICs only allow 1000 gbps Full duplex */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5057
	if ((hw->media_type == e1000_media_type_fiber) &&
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5058
	    spd != SPEED_1000 &&
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5059
	    dplx != DUPLEX_FULL)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5060
		goto err_inval;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5061
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5062
	switch (spd + dplx) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5063
	case SPEED_10 + DUPLEX_HALF:
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5064
		hw->forced_speed_duplex = e1000_10_half;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5065
		break;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5066
	case SPEED_10 + DUPLEX_FULL:
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5067
		hw->forced_speed_duplex = e1000_10_full;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5068
		break;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5069
	case SPEED_100 + DUPLEX_HALF:
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5070
		hw->forced_speed_duplex = e1000_100_half;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5071
		break;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5072
	case SPEED_100 + DUPLEX_FULL:
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5073
		hw->forced_speed_duplex = e1000_100_full;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5074
		break;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5075
	case SPEED_1000 + DUPLEX_FULL:
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5076
		hw->autoneg = 1;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5077
		hw->autoneg_advertised = ADVERTISE_1000_FULL;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5078
		break;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5079
	case SPEED_1000 + DUPLEX_HALF: /* not supported */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5080
	default:
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5081
		goto err_inval;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5082
	}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5083
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5084
	/* clear MDI, MDI(-X) override is only allowed when autoneg enabled */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5085
	hw->mdix = AUTO_ALL_MODES;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5086
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5087
	return 0;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5088
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5089
err_inval:
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5090
	e_err(probe, "Unsupported Speed/Duplex configuration\n");
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5091
	return -EINVAL;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5092
}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5093
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5094
static int __e1000_shutdown(struct pci_dev *pdev, bool *enable_wake)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5095
{
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5096
	struct net_device *netdev = pci_get_drvdata(pdev);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5097
	struct e1000_adapter *adapter = netdev_priv(netdev);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5098
	struct e1000_hw *hw = &adapter->hw;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5099
	u32 ctrl, ctrl_ext, rctl, status;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5100
	u32 wufc = adapter->wol;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5101
#ifdef CONFIG_PM
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5102
	int retval = 0;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5103
#endif
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5104
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5105
	if (adapter->ecdev) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5106
		return -EBUSY;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5107
	}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5108
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5109
	netif_device_detach(netdev);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5110
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5111
	if (netif_running(netdev)) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5112
		int count = E1000_CHECK_RESET_COUNT;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5113
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5114
		while (test_bit(__E1000_RESETTING, &adapter->flags) && count--)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5115
			usleep_range(10000, 20000);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5116
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5117
		WARN_ON(test_bit(__E1000_RESETTING, &adapter->flags));
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5118
		e1000_down(adapter);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5119
	}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5120
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5121
#ifdef CONFIG_PM
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5122
	retval = pci_save_state(pdev);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5123
	if (retval)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5124
		return retval;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5125
#endif
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5126
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5127
	status = er32(STATUS);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5128
	if (status & E1000_STATUS_LU)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5129
		wufc &= ~E1000_WUFC_LNKC;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5130
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5131
	if (wufc) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5132
		e1000_setup_rctl(adapter);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5133
		e1000_set_rx_mode(netdev);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5134
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5135
		rctl = er32(RCTL);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5136
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5137
		/* turn on all-multi mode if wake on multicast is enabled */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5138
		if (wufc & E1000_WUFC_MC)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5139
			rctl |= E1000_RCTL_MPE;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5140
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5141
		/* enable receives in the hardware */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5142
		ew32(RCTL, rctl | E1000_RCTL_EN);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5143
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5144
		if (hw->mac_type >= e1000_82540) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5145
			ctrl = er32(CTRL);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5146
			/* advertise wake from D3Cold */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5147
			#define E1000_CTRL_ADVD3WUC 0x00100000
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5148
			/* phy power management enable */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5149
			#define E1000_CTRL_EN_PHY_PWR_MGMT 0x00200000
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5150
			ctrl |= E1000_CTRL_ADVD3WUC |
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5151
				E1000_CTRL_EN_PHY_PWR_MGMT;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5152
			ew32(CTRL, ctrl);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5153
		}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5154
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5155
		if (hw->media_type == e1000_media_type_fiber ||
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5156
		    hw->media_type == e1000_media_type_internal_serdes) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5157
			/* keep the laser running in D3 */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5158
			ctrl_ext = er32(CTRL_EXT);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5159
			ctrl_ext |= E1000_CTRL_EXT_SDP7_DATA;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5160
			ew32(CTRL_EXT, ctrl_ext);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5161
		}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5162
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5163
		ew32(WUC, E1000_WUC_PME_EN);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5164
		ew32(WUFC, wufc);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5165
	} else {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5166
		ew32(WUC, 0);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5167
		ew32(WUFC, 0);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5168
	}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5169
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5170
	e1000_release_manageability(adapter);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5171
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5172
	*enable_wake = !!wufc;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5173
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5174
	/* make sure adapter isn't asleep if manageability is enabled */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5175
	if (adapter->en_mng_pt)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5176
		*enable_wake = true;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5177
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5178
	if (netif_running(netdev))
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5179
		e1000_free_irq(adapter);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5180
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5181
	pci_disable_device(pdev);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5182
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5183
	return 0;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5184
}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5185
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5186
#ifdef CONFIG_PM
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5187
static int e1000_suspend(struct pci_dev *pdev, pm_message_t state)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5188
{
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5189
	int retval;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5190
	bool wake;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5191
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5192
	retval = __e1000_shutdown(pdev, &wake);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5193
	if (retval)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5194
		return retval;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5195
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5196
	if (wake) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5197
		pci_prepare_to_sleep(pdev);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5198
	} else {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5199
		pci_wake_from_d3(pdev, false);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5200
		pci_set_power_state(pdev, PCI_D3hot);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5201
	}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5202
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5203
	return 0;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5204
}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5205
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5206
static int e1000_resume(struct pci_dev *pdev)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5207
{
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5208
	struct net_device *netdev = pci_get_drvdata(pdev);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5209
	struct e1000_adapter *adapter = netdev_priv(netdev);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5210
	struct e1000_hw *hw = &adapter->hw;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5211
	u32 err;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5212
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5213
	if (adapter->ecdev) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5214
		return -EBUSY;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5215
	}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5216
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5217
	pci_set_power_state(pdev, PCI_D0);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5218
	pci_restore_state(pdev);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5219
	pci_save_state(pdev);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5220
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5221
	if (adapter->need_ioport)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5222
		err = pci_enable_device(pdev);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5223
	else
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5224
		err = pci_enable_device_mem(pdev);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5225
	if (err) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5226
		pr_err("Cannot enable PCI device from suspend\n");
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5227
		return err;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5228
	}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5229
	pci_set_master(pdev);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5230
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5231
	pci_enable_wake(pdev, PCI_D3hot, 0);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5232
	pci_enable_wake(pdev, PCI_D3cold, 0);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5233
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5234
	if (netif_running(netdev)) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5235
		err = e1000_request_irq(adapter);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5236
		if (err)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5237
			return err;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5238
	}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5239
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5240
	e1000_power_up_phy(adapter);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5241
	e1000_reset(adapter);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5242
	ew32(WUS, ~0);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5243
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5244
	e1000_init_manageability(adapter);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5245
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5246
	if (netif_running(netdev))
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5247
		e1000_up(adapter);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5248
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5249
	if (!adapter->ecdev) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5250
		netif_device_attach(netdev);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5251
	}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5252
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5253
	return 0;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5254
}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5255
#endif
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5256
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5257
static void e1000_shutdown(struct pci_dev *pdev)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5258
{
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5259
	bool wake;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5260
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5261
	__e1000_shutdown(pdev, &wake);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5262
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5263
	if (system_state == SYSTEM_POWER_OFF) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5264
		pci_wake_from_d3(pdev, wake);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5265
		pci_set_power_state(pdev, PCI_D3hot);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5266
	}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5267
}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5268
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5269
#ifdef CONFIG_NET_POLL_CONTROLLER
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5270
/* Polling 'interrupt' - used by things like netconsole to send skbs
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5271
 * without having to re-enable interrupts. It's not called while
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5272
 * the interrupt routine is executing.
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5273
 */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5274
static void e1000_netpoll(struct net_device *netdev)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5275
{
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5276
	struct e1000_adapter *adapter = netdev_priv(netdev);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5277
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5278
	disable_irq(adapter->pdev->irq);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5279
	e1000_intr(adapter->pdev->irq, netdev);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5280
	enable_irq(adapter->pdev->irq);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5281
}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5282
#endif
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5283
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5284
/**
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5285
 * e1000_io_error_detected - called when PCI error is detected
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5286
 * @pdev: Pointer to PCI device
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5287
 * @state: The current pci connection state
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5288
 *
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5289
 * This function is called after a PCI bus error affecting
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5290
 * this device has been detected.
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5291
 */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5292
static pci_ers_result_t e1000_io_error_detected(struct pci_dev *pdev,
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5293
						pci_channel_state_t state)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5294
{
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5295
	struct net_device *netdev = pci_get_drvdata(pdev);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5296
	struct e1000_adapter *adapter = netdev_priv(netdev);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5297
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5298
	netif_device_detach(netdev);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5299
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5300
	if (state == pci_channel_io_perm_failure)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5301
		return PCI_ERS_RESULT_DISCONNECT;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5302
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5303
	if (netif_running(netdev))
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5304
		e1000_down(adapter);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5305
	pci_disable_device(pdev);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5306
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5307
	/* Request a slot slot reset. */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5308
	return PCI_ERS_RESULT_NEED_RESET;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5309
}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5310
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5311
/**
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5312
 * e1000_io_slot_reset - called after the pci bus has been reset.
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5313
 * @pdev: Pointer to PCI device
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5314
 *
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5315
 * Restart the card from scratch, as if from a cold-boot. Implementation
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5316
 * resembles the first-half of the e1000_resume routine.
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5317
 */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5318
static pci_ers_result_t e1000_io_slot_reset(struct pci_dev *pdev)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5319
{
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5320
	struct net_device *netdev = pci_get_drvdata(pdev);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5321
	struct e1000_adapter *adapter = netdev_priv(netdev);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5322
	struct e1000_hw *hw = &adapter->hw;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5323
	int err;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5324
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5325
	if (adapter->need_ioport)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5326
		err = pci_enable_device(pdev);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5327
	else
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5328
		err = pci_enable_device_mem(pdev);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5329
	if (err) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5330
		pr_err("Cannot re-enable PCI device after reset.\n");
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5331
		return PCI_ERS_RESULT_DISCONNECT;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5332
	}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5333
	pci_set_master(pdev);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5334
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5335
	pci_enable_wake(pdev, PCI_D3hot, 0);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5336
	pci_enable_wake(pdev, PCI_D3cold, 0);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5337
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5338
	e1000_reset(adapter);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5339
	ew32(WUS, ~0);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5340
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5341
	return PCI_ERS_RESULT_RECOVERED;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5342
}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5343
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5344
/**
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5345
 * e1000_io_resume - called when traffic can start flowing again.
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5346
 * @pdev: Pointer to PCI device
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5347
 *
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5348
 * This callback is called when the error recovery driver tells us that
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5349
 * its OK to resume normal operation. Implementation resembles the
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5350
 * second-half of the e1000_resume routine.
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5351
 */
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5352
static void e1000_io_resume(struct pci_dev *pdev)
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5353
{
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5354
	struct net_device *netdev = pci_get_drvdata(pdev);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5355
	struct e1000_adapter *adapter = netdev_priv(netdev);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5356
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5357
	e1000_init_manageability(adapter);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5358
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5359
	if (netif_running(netdev)) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5360
		if (e1000_up(adapter)) {
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5361
			pr_info("can't bring device back up after reset\n");
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5362
			return;
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5363
		}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5364
	}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5365
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5366
	netif_device_attach(netdev);
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5367
}
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5368
afd76ee3aa87 Added all drivers for kernel 3.14.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5369
/* e1000_main.c */