devices/e1000/e1000_main-3.6-ethercat.c
author Florian Pose <fp@igh-essen.com>
Mon, 27 Oct 2014 13:14:56 +0100
branchstable-1.5
changeset 2546 2fa43746d972
parent 2545 80177f7aa836
child 2582 87e502828b3f
permissions -rw-r--r--
Added e1000e driver for kernel 3.6.
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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 "e1000-3.4-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 __devexit 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, u16 vid);
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static int e1000_vlan_rx_kill_vid(struct net_device *netdev, 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 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   = __devexit_p(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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80177f7aa836 Added e1000 driver for kernel 3.6.
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module_init(e1000_init_module);
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/**
80177f7aa836 Added e1000 driver for kernel 3.6.
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 * e1000_exit_module - Driver Exit Cleanup Routine
80177f7aa836 Added e1000 driver for kernel 3.6.
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   269
 *
80177f7aa836 Added e1000 driver for kernel 3.6.
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 * e1000_exit_module is called just before the driver is removed
80177f7aa836 Added e1000 driver for kernel 3.6.
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 * from memory.
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 **/
80177f7aa836 Added e1000 driver for kernel 3.6.
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80177f7aa836 Added e1000 driver for kernel 3.6.
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static void __exit e1000_exit_module(void)
80177f7aa836 Added e1000 driver for kernel 3.6.
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{
80177f7aa836 Added e1000 driver for kernel 3.6.
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   276
	pci_unregister_driver(&e1000_driver);
80177f7aa836 Added e1000 driver for kernel 3.6.
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   277
}
80177f7aa836 Added e1000 driver for kernel 3.6.
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80177f7aa836 Added e1000 driver for kernel 3.6.
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module_exit(e1000_exit_module);
80177f7aa836 Added e1000 driver for kernel 3.6.
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80177f7aa836 Added e1000 driver for kernel 3.6.
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static int e1000_request_irq(struct e1000_adapter *adapter)
80177f7aa836 Added e1000 driver for kernel 3.6.
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{
80177f7aa836 Added e1000 driver for kernel 3.6.
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	struct net_device *netdev = adapter->netdev;
80177f7aa836 Added e1000 driver for kernel 3.6.
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   284
	irq_handler_t handler = e1000_intr;
80177f7aa836 Added e1000 driver for kernel 3.6.
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   285
	int irq_flags = IRQF_SHARED;
80177f7aa836 Added e1000 driver for kernel 3.6.
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   286
	int err;
80177f7aa836 Added e1000 driver for kernel 3.6.
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   287
80177f7aa836 Added e1000 driver for kernel 3.6.
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   288
	if (adapter->ecdev) {
80177f7aa836 Added e1000 driver for kernel 3.6.
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		return 0;
80177f7aa836 Added e1000 driver for kernel 3.6.
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   290
	}
80177f7aa836 Added e1000 driver for kernel 3.6.
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   291
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	err = request_irq(adapter->pdev->irq, handler, irq_flags, netdev->name,
80177f7aa836 Added e1000 driver for kernel 3.6.
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   293
	                  netdev);
80177f7aa836 Added e1000 driver for kernel 3.6.
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   294
	if (err) {
80177f7aa836 Added e1000 driver for kernel 3.6.
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   295
		e_err(probe, "Unable to allocate interrupt Error: %d\n", err);
80177f7aa836 Added e1000 driver for kernel 3.6.
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   296
	}
80177f7aa836 Added e1000 driver for kernel 3.6.
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	return err;
80177f7aa836 Added e1000 driver for kernel 3.6.
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   299
}
80177f7aa836 Added e1000 driver for kernel 3.6.
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80177f7aa836 Added e1000 driver for kernel 3.6.
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static void e1000_free_irq(struct e1000_adapter *adapter)
80177f7aa836 Added e1000 driver for kernel 3.6.
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{
80177f7aa836 Added e1000 driver for kernel 3.6.
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   303
	struct net_device *netdev = adapter->netdev;
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   304
80177f7aa836 Added e1000 driver for kernel 3.6.
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   305
	if (adapter->ecdev) {
80177f7aa836 Added e1000 driver for kernel 3.6.
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   306
		return;
80177f7aa836 Added e1000 driver for kernel 3.6.
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   307
	}
80177f7aa836 Added e1000 driver for kernel 3.6.
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80177f7aa836 Added e1000 driver for kernel 3.6.
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   309
	free_irq(adapter->pdev->irq, netdev);
80177f7aa836 Added e1000 driver for kernel 3.6.
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   310
}
80177f7aa836 Added e1000 driver for kernel 3.6.
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   311
80177f7aa836 Added e1000 driver for kernel 3.6.
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   312
/**
80177f7aa836 Added e1000 driver for kernel 3.6.
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   313
 * e1000_irq_disable - Mask off interrupt generation on the NIC
80177f7aa836 Added e1000 driver for kernel 3.6.
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   314
 * @adapter: board private structure
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 **/
80177f7aa836 Added e1000 driver for kernel 3.6.
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   316
80177f7aa836 Added e1000 driver for kernel 3.6.
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   317
static void e1000_irq_disable(struct e1000_adapter *adapter)
80177f7aa836 Added e1000 driver for kernel 3.6.
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   318
{
80177f7aa836 Added e1000 driver for kernel 3.6.
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   319
	struct e1000_hw *hw = &adapter->hw;
80177f7aa836 Added e1000 driver for kernel 3.6.
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   320
80177f7aa836 Added e1000 driver for kernel 3.6.
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diff changeset
   321
	if (adapter->ecdev) {
80177f7aa836 Added e1000 driver for kernel 3.6.
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   322
		return;
80177f7aa836 Added e1000 driver for kernel 3.6.
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diff changeset
   323
	}
80177f7aa836 Added e1000 driver for kernel 3.6.
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diff changeset
   324
80177f7aa836 Added e1000 driver for kernel 3.6.
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   325
	ew32(IMC, ~0);
80177f7aa836 Added e1000 driver for kernel 3.6.
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   326
	E1000_WRITE_FLUSH();
80177f7aa836 Added e1000 driver for kernel 3.6.
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   327
	synchronize_irq(adapter->pdev->irq);
80177f7aa836 Added e1000 driver for kernel 3.6.
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diff changeset
   328
}
80177f7aa836 Added e1000 driver for kernel 3.6.
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   329
80177f7aa836 Added e1000 driver for kernel 3.6.
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   330
/**
80177f7aa836 Added e1000 driver for kernel 3.6.
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   331
 * e1000_irq_enable - Enable default interrupt generation settings
80177f7aa836 Added e1000 driver for kernel 3.6.
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diff changeset
   332
 * @adapter: board private structure
80177f7aa836 Added e1000 driver for kernel 3.6.
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   333
 **/
80177f7aa836 Added e1000 driver for kernel 3.6.
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diff changeset
   334
80177f7aa836 Added e1000 driver for kernel 3.6.
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   335
static void e1000_irq_enable(struct e1000_adapter *adapter)
80177f7aa836 Added e1000 driver for kernel 3.6.
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   336
{
80177f7aa836 Added e1000 driver for kernel 3.6.
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   337
	struct e1000_hw *hw = &adapter->hw;
80177f7aa836 Added e1000 driver for kernel 3.6.
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diff changeset
   338
80177f7aa836 Added e1000 driver for kernel 3.6.
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diff changeset
   339
	if (adapter->ecdev) {
80177f7aa836 Added e1000 driver for kernel 3.6.
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diff changeset
   340
		return;
80177f7aa836 Added e1000 driver for kernel 3.6.
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diff changeset
   341
	}
80177f7aa836 Added e1000 driver for kernel 3.6.
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diff changeset
   342
80177f7aa836 Added e1000 driver for kernel 3.6.
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   343
	ew32(IMS, IMS_ENABLE_MASK);
80177f7aa836 Added e1000 driver for kernel 3.6.
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   344
	E1000_WRITE_FLUSH();
80177f7aa836 Added e1000 driver for kernel 3.6.
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diff changeset
   345
}
80177f7aa836 Added e1000 driver for kernel 3.6.
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   346
80177f7aa836 Added e1000 driver for kernel 3.6.
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   347
static void e1000_update_mng_vlan(struct e1000_adapter *adapter)
80177f7aa836 Added e1000 driver for kernel 3.6.
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   348
{
80177f7aa836 Added e1000 driver for kernel 3.6.
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   349
	struct e1000_hw *hw = &adapter->hw;
80177f7aa836 Added e1000 driver for kernel 3.6.
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   350
	struct net_device *netdev = adapter->netdev;
80177f7aa836 Added e1000 driver for kernel 3.6.
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   351
	u16 vid = hw->mng_cookie.vlan_id;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
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   352
	u16 old_vid = adapter->mng_vlan_id;
80177f7aa836 Added e1000 driver for kernel 3.6.
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diff changeset
   353
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
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diff changeset
   354
	if (!e1000_vlan_used(adapter))
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
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diff changeset
   355
		return;
80177f7aa836 Added e1000 driver for kernel 3.6.
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parents:
diff changeset
   356
80177f7aa836 Added e1000 driver for kernel 3.6.
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diff changeset
   357
	if (!test_bit(vid, adapter->active_vlans)) {
80177f7aa836 Added e1000 driver for kernel 3.6.
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parents:
diff changeset
   358
		if (hw->mng_cookie.status &
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   359
		    E1000_MNG_DHCP_COOKIE_STATUS_VLAN_SUPPORT) {
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   360
			e1000_vlan_rx_add_vid(netdev, vid);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   361
			adapter->mng_vlan_id = vid;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   362
		} else {
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   363
			adapter->mng_vlan_id = E1000_MNG_VLAN_NONE;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   364
		}
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   365
		if ((old_vid != (u16)E1000_MNG_VLAN_NONE) &&
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   366
		    (vid != old_vid) &&
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   367
		    !test_bit(old_vid, adapter->active_vlans))
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   368
			e1000_vlan_rx_kill_vid(netdev, old_vid);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   369
	} else {
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   370
		adapter->mng_vlan_id = vid;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   371
	}
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   372
}
80177f7aa836 Added e1000 driver for kernel 3.6.
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parents:
diff changeset
   373
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
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diff changeset
   374
static void e1000_init_manageability(struct e1000_adapter *adapter)
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   375
{
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   376
	struct e1000_hw *hw = &adapter->hw;
80177f7aa836 Added e1000 driver for kernel 3.6.
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parents:
diff changeset
   377
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   378
	if (adapter->en_mng_pt) {
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   379
		u32 manc = er32(MANC);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   380
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   381
		/* disable hardware interception of ARP */
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   382
		manc &= ~(E1000_MANC_ARP_EN);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   383
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   384
		ew32(MANC, manc);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   385
	}
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   386
}
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   387
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   388
static void e1000_release_manageability(struct e1000_adapter *adapter)
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   389
{
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   390
	struct e1000_hw *hw = &adapter->hw;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   391
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   392
	if (adapter->en_mng_pt) {
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   393
		u32 manc = er32(MANC);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   394
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   395
		/* re-enable hardware interception of ARP */
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   396
		manc |= E1000_MANC_ARP_EN;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   397
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   398
		ew32(MANC, manc);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   399
	}
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   400
}
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   401
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   402
/**
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   403
 * e1000_configure - configure the hardware for RX and TX
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   404
 * @adapter = private board structure
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   405
 **/
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   406
static void e1000_configure(struct e1000_adapter *adapter)
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   407
{
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   408
	struct net_device *netdev = adapter->netdev;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   409
	int i;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   410
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   411
	e1000_set_rx_mode(netdev);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   412
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   413
	e1000_restore_vlan(adapter);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   414
	e1000_init_manageability(adapter);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   415
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   416
	e1000_configure_tx(adapter);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   417
	e1000_setup_rctl(adapter);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   418
	e1000_configure_rx(adapter);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   419
	/* call E1000_DESC_UNUSED which always leaves
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   420
	 * at least 1 descriptor unused to make sure
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   421
	 * next_to_use != next_to_clean */
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   422
	for (i = 0; i < adapter->num_rx_queues; i++) {
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   423
		struct e1000_rx_ring *ring = &adapter->rx_ring[i];
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   424
		if (adapter->ecdev) {
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   425
			/* fill rx ring completely! */
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   426
			adapter->alloc_rx_buf(adapter, ring, ring->count);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   427
		} else {
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   428
			/* this one leaves the last ring element unallocated! */
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   429
			adapter->alloc_rx_buf(adapter, ring,
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   430
					E1000_DESC_UNUSED(ring));
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   431
		}
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   432
	}
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   433
}
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   434
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   435
int e1000_up(struct e1000_adapter *adapter)
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   436
{
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   437
	struct e1000_hw *hw = &adapter->hw;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   438
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   439
	/* hardware has been reset, we need to reload some things */
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   440
	e1000_configure(adapter);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   441
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   442
	clear_bit(__E1000_DOWN, &adapter->flags);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   443
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   444
	if (!adapter->ecdev) {
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   445
		napi_enable(&adapter->napi);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   446
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   447
		e1000_irq_enable(adapter);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   448
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   449
		netif_wake_queue(adapter->netdev);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   450
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   451
		/* fire a link change interrupt to start the watchdog */
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   452
		ew32(ICS, E1000_ICS_LSC);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   453
	}
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   454
	return 0;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   455
}
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   456
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   457
/**
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   458
 * e1000_power_up_phy - restore link in case the phy was powered down
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   459
 * @adapter: address of board private structure
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   460
 *
80177f7aa836 Added e1000 driver for kernel 3.6.
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
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   462
 * driver is unloaded and wake on lan is not enabled (among others)
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   463
 * *** this routine MUST be followed by a call to e1000_reset ***
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   464
 *
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   465
 **/
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   466
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   467
void e1000_power_up_phy(struct e1000_adapter *adapter)
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   468
{
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   469
	struct e1000_hw *hw = &adapter->hw;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   470
	u16 mii_reg = 0;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   471
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   472
	/* Just clear the power down bit to wake the phy back up */
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   473
	if (hw->media_type == e1000_media_type_copper) {
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   474
		/* according to the manual, the phy will retain its
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   475
		 * settings across a power-down/up cycle */
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   476
		e1000_read_phy_reg(hw, PHY_CTRL, &mii_reg);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   477
		mii_reg &= ~MII_CR_POWER_DOWN;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   478
		e1000_write_phy_reg(hw, PHY_CTRL, mii_reg);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   479
	}
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   480
}
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   481
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   482
static void e1000_power_down_phy(struct e1000_adapter *adapter)
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   483
{
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   484
	struct e1000_hw *hw = &adapter->hw;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   485
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   486
	/* Power down the PHY so no link is implied when interface is down *
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   487
	 * The PHY cannot be powered down if any of the following is true *
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   488
	 * (a) WoL is enabled
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   489
	 * (b) AMT is active
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   490
	 * (c) SoL/IDER session is active */
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   491
	if (!adapter->wol && hw->mac_type >= e1000_82540 &&
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   492
	   hw->media_type == e1000_media_type_copper) {
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   493
		u16 mii_reg = 0;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   494
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   495
		switch (hw->mac_type) {
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   496
		case e1000_82540:
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   497
		case e1000_82545:
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   498
		case e1000_82545_rev_3:
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   499
		case e1000_82546:
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   500
		case e1000_ce4100:
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   501
		case e1000_82546_rev_3:
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   502
		case e1000_82541:
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   503
		case e1000_82541_rev_2:
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   504
		case e1000_82547:
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   505
		case e1000_82547_rev_2:
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   506
			if (er32(MANC) & E1000_MANC_SMBUS_EN)
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   507
				goto out;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   508
			break;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   509
		default:
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   510
			goto out;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   511
		}
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   512
		e1000_read_phy_reg(hw, PHY_CTRL, &mii_reg);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   513
		mii_reg |= MII_CR_POWER_DOWN;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   514
		e1000_write_phy_reg(hw, PHY_CTRL, mii_reg);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   515
		msleep(1);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   516
	}
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   517
out:
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   518
	return;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   519
}
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   520
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   521
static void e1000_down_and_stop(struct e1000_adapter *adapter)
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   522
{
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   523
	set_bit(__E1000_DOWN, &adapter->flags);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   524
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   525
	/* Only kill reset task if adapter is not resetting */
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   526
	if (!test_bit(__E1000_RESETTING, &adapter->flags))
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   527
		cancel_work_sync(&adapter->reset_task);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   528
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   529
	if (!adapter->ecdev) {
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   530
		cancel_delayed_work_sync(&adapter->watchdog_task);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   531
		cancel_delayed_work_sync(&adapter->phy_info_task);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   532
		cancel_delayed_work_sync(&adapter->fifo_stall_task);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   533
	}
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   534
}
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   535
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   536
void e1000_down(struct e1000_adapter *adapter)
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   537
{
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   538
	struct e1000_hw *hw = &adapter->hw;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   539
	struct net_device *netdev = adapter->netdev;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   540
	u32 rctl, tctl;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   541
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   542
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   543
	/* disable receives in the hardware */	
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   544
	rctl = er32(RCTL);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   545
	ew32(RCTL, rctl & ~E1000_RCTL_EN);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   546
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   547
	if (!adapter->ecdev) {
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   548
		/* flush and sleep below */
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   549
		netif_tx_disable(netdev);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   550
	}
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   551
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   552
	/* disable transmits in the hardware */
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   553
	tctl = er32(TCTL);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   554
	tctl &= ~E1000_TCTL_EN;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   555
	ew32(TCTL, tctl);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   556
	/* flush both disables and wait for them to finish */
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   557
	E1000_WRITE_FLUSH();
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   558
	msleep(10);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   559
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   560
	if (!adapter->ecdev) {
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   561
		napi_disable(&adapter->napi);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   562
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   563
		e1000_irq_disable(adapter);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   564
	}
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   565
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   566
	/*
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   567
	 * Setting DOWN must be after irq_disable to prevent
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   568
	 * a screaming interrupt.  Setting DOWN also prevents
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   569
	 * tasks from rescheduling.
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   570
	 */
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   571
	e1000_down_and_stop(adapter);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   572
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   573
	adapter->link_speed = 0;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   574
	adapter->link_duplex = 0;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   575
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   576
	if (!adapter->ecdev) {
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   577
		netif_carrier_off(netdev);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   578
	}
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   579
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   580
	e1000_reset(adapter);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   581
	e1000_clean_all_tx_rings(adapter);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   582
	e1000_clean_all_rx_rings(adapter);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   583
}
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   584
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   585
static void e1000_reinit_safe(struct e1000_adapter *adapter)
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   586
{
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   587
	while (test_and_set_bit(__E1000_RESETTING, &adapter->flags))
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   588
		msleep(1);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   589
	mutex_lock(&adapter->mutex);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   590
	e1000_down(adapter);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   591
	e1000_up(adapter);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   592
	mutex_unlock(&adapter->mutex);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   593
	clear_bit(__E1000_RESETTING, &adapter->flags);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   594
}
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   595
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   596
void e1000_reinit_locked(struct e1000_adapter *adapter)
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   597
{
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   598
	/* if rtnl_lock is not held the call path is bogus */
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   599
	ASSERT_RTNL();
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   600
	WARN_ON(in_interrupt());
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   601
	while (test_and_set_bit(__E1000_RESETTING, &adapter->flags))
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   602
		msleep(1);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   603
	e1000_down(adapter);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   604
	e1000_up(adapter);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   605
	clear_bit(__E1000_RESETTING, &adapter->flags);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   606
}
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   607
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   608
void e1000_reset(struct e1000_adapter *adapter)
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   609
{
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   610
	struct e1000_hw *hw = &adapter->hw;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   611
	u32 pba = 0, tx_space, min_tx_space, min_rx_space;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   612
	bool legacy_pba_adjust = false;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   613
	u16 hwm;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   614
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   615
	/* Repartition Pba for greater than 9k mtu
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   616
	 * To take effect CTRL.RST is required.
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   617
	 */
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   618
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   619
	switch (hw->mac_type) {
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   620
	case e1000_82542_rev2_0:
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   621
	case e1000_82542_rev2_1:
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   622
	case e1000_82543:
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   623
	case e1000_82544:
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   624
	case e1000_82540:
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   625
	case e1000_82541:
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   626
	case e1000_82541_rev_2:
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   627
		legacy_pba_adjust = true;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   628
		pba = E1000_PBA_48K;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   629
		break;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   630
	case e1000_82545:
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   631
	case e1000_82545_rev_3:
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   632
	case e1000_82546:
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   633
	case e1000_ce4100:
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   634
	case e1000_82546_rev_3:
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   635
		pba = E1000_PBA_48K;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   636
		break;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   637
	case e1000_82547:
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   638
	case e1000_82547_rev_2:
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   639
		legacy_pba_adjust = true;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   640
		pba = E1000_PBA_30K;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   641
		break;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   642
	case e1000_undefined:
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   643
	case e1000_num_macs:
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   644
		break;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   645
	}
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   646
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   647
	if (legacy_pba_adjust) {
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   648
		if (hw->max_frame_size > E1000_RXBUFFER_8192)
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   649
			pba -= 8; /* allocate more FIFO for Tx */
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   650
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   651
		if (hw->mac_type == e1000_82547) {
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   652
			adapter->tx_fifo_head = 0;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   653
			adapter->tx_head_addr = pba << E1000_TX_HEAD_ADDR_SHIFT;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   654
			adapter->tx_fifo_size =
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   655
				(E1000_PBA_40K - pba) << E1000_PBA_BYTES_SHIFT;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   656
			atomic_set(&adapter->tx_fifo_stall, 0);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   657
		}
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   658
	} else if (hw->max_frame_size >  ETH_FRAME_LEN + ETH_FCS_LEN) {
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   659
		/* adjust PBA for jumbo frames */
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   660
		ew32(PBA, pba);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   661
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   662
		/* To maintain wire speed transmits, the Tx FIFO should be
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   663
		 * large enough to accommodate two full transmit packets,
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   664
		 * rounded up to the next 1KB and expressed in KB.  Likewise,
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   665
		 * the Rx FIFO should be large enough to accommodate at least
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   666
		 * one full receive packet and is similarly rounded up and
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   667
		 * expressed in KB. */
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   668
		pba = er32(PBA);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   669
		/* upper 16 bits has Tx packet buffer allocation size in KB */
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   670
		tx_space = pba >> 16;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   671
		/* lower 16 bits has Rx packet buffer allocation size in KB */
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   672
		pba &= 0xffff;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   673
		/*
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   674
		 * the tx fifo also stores 16 bytes of information about the tx
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   675
		 * but don't include ethernet FCS because hardware appends it
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   676
		 */
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   677
		min_tx_space = (hw->max_frame_size +
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   678
		                sizeof(struct e1000_tx_desc) -
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   679
		                ETH_FCS_LEN) * 2;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   680
		min_tx_space = ALIGN(min_tx_space, 1024);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   681
		min_tx_space >>= 10;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   682
		/* software strips receive CRC, so leave room for it */
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   683
		min_rx_space = hw->max_frame_size;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   684
		min_rx_space = ALIGN(min_rx_space, 1024);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   685
		min_rx_space >>= 10;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   686
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   687
		/* If current Tx allocation is less than the min Tx FIFO size,
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   688
		 * and the min Tx FIFO size is less than the current Rx FIFO
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   689
		 * allocation, take space away from current Rx allocation */
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   690
		if (tx_space < min_tx_space &&
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   691
		    ((min_tx_space - tx_space) < pba)) {
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   692
			pba = pba - (min_tx_space - tx_space);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   693
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   694
			/* PCI/PCIx hardware has PBA alignment constraints */
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   695
			switch (hw->mac_type) {
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   696
			case e1000_82545 ... e1000_82546_rev_3:
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   697
				pba &= ~(E1000_PBA_8K - 1);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   698
				break;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   699
			default:
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   700
				break;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   701
			}
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   702
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   703
			/* if short on rx space, rx wins and must trump tx
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   704
			 * adjustment or use Early Receive if available */
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   705
			if (pba < min_rx_space)
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   706
				pba = min_rx_space;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   707
		}
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   708
	}
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   709
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   710
	ew32(PBA, pba);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   711
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   712
	/*
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   713
	 * flow control settings:
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   714
	 * The high water mark must be low enough to fit one full frame
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   715
	 * (or the size used for early receive) above it in the Rx FIFO.
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   716
	 * Set it to the lower of:
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   717
	 * - 90% of the Rx FIFO size, and
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   718
	 * - the full Rx FIFO size minus the early receive size (for parts
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   719
	 *   with ERT support assuming ERT set to E1000_ERT_2048), or
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   720
	 * - the full Rx FIFO size minus one full frame
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   721
	 */
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   722
	hwm = min(((pba << 10) * 9 / 10),
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   723
		  ((pba << 10) - hw->max_frame_size));
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   724
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   725
	hw->fc_high_water = hwm & 0xFFF8;	/* 8-byte granularity */
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   726
	hw->fc_low_water = hw->fc_high_water - 8;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   727
	hw->fc_pause_time = E1000_FC_PAUSE_TIME;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   728
	hw->fc_send_xon = 1;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   729
	hw->fc = hw->original_fc;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   730
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   731
	/* Allow time for pending master requests to run */
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   732
	e1000_reset_hw(hw);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   733
	if (hw->mac_type >= e1000_82544)
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   734
		ew32(WUC, 0);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   735
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   736
	if (e1000_init_hw(hw))
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   737
		e_dev_err("Hardware Error\n");
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   738
	e1000_update_mng_vlan(adapter);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   739
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   740
	/* if (adapter->hwflags & HWFLAGS_PHY_PWR_BIT) { */
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   741
	if (hw->mac_type >= e1000_82544 &&
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   742
	    hw->autoneg == 1 &&
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   743
	    hw->autoneg_advertised == ADVERTISE_1000_FULL) {
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   744
		u32 ctrl = er32(CTRL);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   745
		/* clear phy power management bit if we are in gig only mode,
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   746
		 * which if enabled will attempt negotiation to 100Mb, which
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   747
		 * can cause a loss of link at power off or driver unload */
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   748
		ctrl &= ~E1000_CTRL_SWDPIN3;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   749
		ew32(CTRL, ctrl);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   750
	}
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   751
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   752
	/* Enable h/w to recognize an 802.1Q VLAN Ethernet packet */
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   753
	ew32(VET, ETHERNET_IEEE_VLAN_TYPE);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   754
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   755
	e1000_reset_adaptive(hw);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   756
	e1000_phy_get_info(hw, &adapter->phy_info);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   757
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   758
	e1000_release_manageability(adapter);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   759
}
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   760
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   761
/* Dump the eeprom for users having checksum issues */
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   762
static void e1000_dump_eeprom(struct e1000_adapter *adapter)
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   763
{
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   764
	struct net_device *netdev = adapter->netdev;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   765
	struct ethtool_eeprom eeprom;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   766
	const struct ethtool_ops *ops = netdev->ethtool_ops;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   767
	u8 *data;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   768
	int i;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   769
	u16 csum_old, csum_new = 0;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   770
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   771
	eeprom.len = ops->get_eeprom_len(netdev);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   772
	eeprom.offset = 0;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   773
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   774
	data = kmalloc(eeprom.len, GFP_KERNEL);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   775
	if (!data)
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   776
		return;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   777
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   778
	ops->get_eeprom(netdev, &eeprom, data);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   779
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   780
	csum_old = (data[EEPROM_CHECKSUM_REG * 2]) +
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   781
		   (data[EEPROM_CHECKSUM_REG * 2 + 1] << 8);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   782
	for (i = 0; i < EEPROM_CHECKSUM_REG * 2; i += 2)
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   783
		csum_new += data[i] + (data[i + 1] << 8);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   784
	csum_new = EEPROM_SUM - csum_new;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   785
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   786
	pr_err("/*********************/\n");
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   787
	pr_err("Current EEPROM Checksum : 0x%04x\n", csum_old);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   788
	pr_err("Calculated              : 0x%04x\n", csum_new);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   789
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   790
	pr_err("Offset    Values\n");
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   791
	pr_err("========  ======\n");
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   792
	print_hex_dump(KERN_ERR, "", DUMP_PREFIX_OFFSET, 16, 1, data, 128, 0);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   793
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   794
	pr_err("Include this output when contacting your support provider.\n");
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   795
	pr_err("This is not a software error! Something bad happened to\n");
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   796
	pr_err("your hardware or EEPROM image. Ignoring this problem could\n");
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   797
	pr_err("result in further problems, possibly loss of data,\n");
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   798
	pr_err("corruption or system hangs!\n");
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   799
	pr_err("The MAC Address will be reset to 00:00:00:00:00:00,\n");
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   800
	pr_err("which is invalid and requires you to set the proper MAC\n");
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   801
	pr_err("address manually before continuing to enable this network\n");
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   802
	pr_err("device. Please inspect the EEPROM dump and report the\n");
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   803
	pr_err("issue to your hardware vendor or Intel Customer Support.\n");
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   804
	pr_err("/*********************/\n");
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   805
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   806
	kfree(data);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   807
}
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   808
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   809
/**
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   810
 * e1000_is_need_ioport - determine if an adapter needs ioport resources or not
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   811
 * @pdev: PCI device information struct
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   812
 *
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   813
 * Return true if an adapter needs ioport resources
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   814
 **/
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   815
static int e1000_is_need_ioport(struct pci_dev *pdev)
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   816
{
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   817
	switch (pdev->device) {
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   818
	case E1000_DEV_ID_82540EM:
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   819
	case E1000_DEV_ID_82540EM_LOM:
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   820
	case E1000_DEV_ID_82540EP:
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   821
	case E1000_DEV_ID_82540EP_LOM:
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   822
	case E1000_DEV_ID_82540EP_LP:
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   823
	case E1000_DEV_ID_82541EI:
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   824
	case E1000_DEV_ID_82541EI_MOBILE:
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   825
	case E1000_DEV_ID_82541ER:
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   826
	case E1000_DEV_ID_82541ER_LOM:
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   827
	case E1000_DEV_ID_82541GI:
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   828
	case E1000_DEV_ID_82541GI_LF:
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   829
	case E1000_DEV_ID_82541GI_MOBILE:
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   830
	case E1000_DEV_ID_82544EI_COPPER:
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   831
	case E1000_DEV_ID_82544EI_FIBER:
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   832
	case E1000_DEV_ID_82544GC_COPPER:
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   833
	case E1000_DEV_ID_82544GC_LOM:
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   834
	case E1000_DEV_ID_82545EM_COPPER:
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   835
	case E1000_DEV_ID_82545EM_FIBER:
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   836
	case E1000_DEV_ID_82546EB_COPPER:
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   837
	case E1000_DEV_ID_82546EB_FIBER:
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   838
	case E1000_DEV_ID_82546EB_QUAD_COPPER:
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   839
		return true;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   840
	default:
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   841
		return false;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   842
	}
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   843
}
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   844
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   845
static netdev_features_t e1000_fix_features(struct net_device *netdev,
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   846
	netdev_features_t features)
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   847
{
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   848
	/*
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   849
	 * Since there is no support for separate rx/tx vlan accel
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   850
	 * enable/disable make sure tx flag is always in same state as rx.
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   851
	 */
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   852
	if (features & NETIF_F_HW_VLAN_RX)
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   853
		features |= NETIF_F_HW_VLAN_TX;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   854
	else
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   855
		features &= ~NETIF_F_HW_VLAN_TX;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   856
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   857
	return features;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   858
}
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   859
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   860
static int e1000_set_features(struct net_device *netdev,
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   861
	netdev_features_t features)
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   862
{
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   863
	struct e1000_adapter *adapter = netdev_priv(netdev);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   864
	netdev_features_t changed = features ^ netdev->features;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   865
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   866
	if (changed & NETIF_F_HW_VLAN_RX)
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   867
		e1000_vlan_mode(netdev, features);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   868
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   869
	if (!(changed & (NETIF_F_RXCSUM | NETIF_F_RXALL)))
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   870
		return 0;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   871
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   872
	netdev->features = features;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   873
	adapter->rx_csum = !!(features & NETIF_F_RXCSUM);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   874
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   875
	if (netif_running(netdev))
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   876
		e1000_reinit_locked(adapter);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   877
	else
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   878
		e1000_reset(adapter);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   879
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   880
	return 0;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   881
}
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   882
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   883
static const struct net_device_ops e1000_netdev_ops = {
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   884
	.ndo_open		= e1000_open,
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   885
	.ndo_stop		= e1000_close,
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   886
	.ndo_start_xmit		= e1000_xmit_frame,
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   887
	.ndo_get_stats		= e1000_get_stats,
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   888
	.ndo_set_rx_mode	= e1000_set_rx_mode,
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   889
	.ndo_set_mac_address	= e1000_set_mac,
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   890
	.ndo_tx_timeout		= e1000_tx_timeout,
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   891
	.ndo_change_mtu		= e1000_change_mtu,
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   892
	.ndo_do_ioctl		= e1000_ioctl,
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   893
	.ndo_validate_addr	= eth_validate_addr,
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   894
	.ndo_vlan_rx_add_vid	= e1000_vlan_rx_add_vid,
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   895
	.ndo_vlan_rx_kill_vid	= e1000_vlan_rx_kill_vid,
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   896
#ifdef CONFIG_NET_POLL_CONTROLLER
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   897
	.ndo_poll_controller	= e1000_netpoll,
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   898
#endif
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   899
	.ndo_fix_features	= e1000_fix_features,
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   900
	.ndo_set_features	= e1000_set_features,
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   901
};
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   902
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   903
/**
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   904
 * e1000_init_hw_struct - initialize members of hw struct
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   905
 * @adapter: board private struct
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   906
 * @hw: structure used by e1000_hw.c
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   907
 *
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   908
 * Factors out initialization of the e1000_hw struct to its own function
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   909
 * that can be called very early at init (just after struct allocation).
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   910
 * Fields are initialized based on PCI device information and
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   911
 * OS network device settings (MTU size).
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   912
 * Returns negative error codes if MAC type setup fails.
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   913
 */
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   914
static int e1000_init_hw_struct(struct e1000_adapter *adapter,
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   915
				struct e1000_hw *hw)
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   916
{
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   917
	struct pci_dev *pdev = adapter->pdev;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   918
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   919
	/* PCI config space info */
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   920
	hw->vendor_id = pdev->vendor;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   921
	hw->device_id = pdev->device;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   922
	hw->subsystem_vendor_id = pdev->subsystem_vendor;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   923
	hw->subsystem_id = pdev->subsystem_device;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   924
	hw->revision_id = pdev->revision;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   925
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   926
	pci_read_config_word(pdev, PCI_COMMAND, &hw->pci_cmd_word);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   927
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   928
	hw->max_frame_size = adapter->netdev->mtu +
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   929
			     ENET_HEADER_SIZE + ETHERNET_FCS_SIZE;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   930
	hw->min_frame_size = MINIMUM_ETHERNET_FRAME_SIZE;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   931
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   932
	/* identify the MAC */
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   933
	if (e1000_set_mac_type(hw)) {
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   934
		e_err(probe, "Unknown MAC Type\n");
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   935
		return -EIO;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   936
	}
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   937
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   938
	switch (hw->mac_type) {
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   939
	default:
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   940
		break;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   941
	case e1000_82541:
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   942
	case e1000_82547:
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   943
	case e1000_82541_rev_2:
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   944
	case e1000_82547_rev_2:
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   945
		hw->phy_init_script = 1;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   946
		break;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   947
	}
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   948
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   949
	e1000_set_media_type(hw);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   950
	e1000_get_bus_info(hw);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   951
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   952
	hw->wait_autoneg_complete = false;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   953
	hw->tbi_compatibility_en = true;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   954
	hw->adaptive_ifs = true;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   955
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   956
	/* Copper options */
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   957
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   958
	if (hw->media_type == e1000_media_type_copper) {
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   959
		hw->mdix = AUTO_ALL_MODES;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   960
		hw->disable_polarity_correction = false;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   961
		hw->master_slave = E1000_MASTER_SLAVE;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   962
	}
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   963
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   964
	return 0;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   965
}
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   966
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   967
/**
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   968
 * e1000_probe - Device Initialization Routine
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   969
 * @pdev: PCI device information struct
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   970
 * @ent: entry in e1000_pci_tbl
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   971
 *
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   972
 * Returns 0 on success, negative on failure
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   973
 *
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   974
 * e1000_probe initializes an adapter identified by a pci_dev structure.
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   975
 * The OS initialization, configuring of the adapter private structure,
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   976
 * and a hardware reset occur.
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   977
 **/
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   978
static int __devinit e1000_probe(struct pci_dev *pdev,
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   979
				 const struct pci_device_id *ent)
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   980
{
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   981
	struct net_device *netdev;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   982
	struct e1000_adapter *adapter;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   983
	struct e1000_hw *hw;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   984
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   985
	static int cards_found = 0;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   986
	static int global_quad_port_a = 0; /* global ksp3 port a indication */
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   987
	int i, err, pci_using_dac;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   988
	u16 eeprom_data = 0;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   989
	u16 tmp = 0;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   990
	u16 eeprom_apme_mask = E1000_EEPROM_APME;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   991
	int bars, need_ioport;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   992
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   993
	/* do not allocate ioport bars when not needed */
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   994
	need_ioport = e1000_is_need_ioport(pdev);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   995
	if (need_ioport) {
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   996
		bars = pci_select_bars(pdev, IORESOURCE_MEM | IORESOURCE_IO);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   997
		err = pci_enable_device(pdev);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   998
	} else {
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   999
		bars = pci_select_bars(pdev, IORESOURCE_MEM);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1000
		err = pci_enable_device_mem(pdev);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1001
	}
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1002
	if (err)
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1003
		return err;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1004
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1005
	err = pci_request_selected_regions(pdev, bars, e1000_driver_name);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1006
	if (err)
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1007
		goto err_pci_reg;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1008
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1009
	pci_set_master(pdev);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1010
	err = pci_save_state(pdev);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1011
	if (err)
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1012
		goto err_alloc_etherdev;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1013
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1014
	err = -ENOMEM;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1015
	netdev = alloc_etherdev(sizeof(struct e1000_adapter));
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1016
	if (!netdev)
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1017
		goto err_alloc_etherdev;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1018
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1019
	SET_NETDEV_DEV(netdev, &pdev->dev);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1020
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1021
	pci_set_drvdata(pdev, netdev);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1022
	adapter = netdev_priv(netdev);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1023
	adapter->netdev = netdev;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1024
	adapter->pdev = pdev;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1025
	adapter->msg_enable = netif_msg_init(debug, DEFAULT_MSG_ENABLE);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1026
	adapter->bars = bars;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1027
	adapter->need_ioport = need_ioport;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1028
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1029
	hw = &adapter->hw;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1030
	hw->back = adapter;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1031
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1032
	err = -EIO;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1033
	hw->hw_addr = pci_ioremap_bar(pdev, BAR_0);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1034
	if (!hw->hw_addr)
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1035
		goto err_ioremap;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1036
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1037
	if (adapter->need_ioport) {
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1038
		for (i = BAR_1; i <= BAR_5; i++) {
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1039
			if (pci_resource_len(pdev, i) == 0)
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1040
				continue;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1041
			if (pci_resource_flags(pdev, i) & IORESOURCE_IO) {
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1042
				hw->io_base = pci_resource_start(pdev, i);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1043
				break;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1044
			}
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1045
		}
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1046
	}
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1047
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1048
	/* make ready for any if (hw->...) below */
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1049
	err = e1000_init_hw_struct(adapter, hw);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1050
	if (err)
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1051
		goto err_sw_init;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1052
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1053
	/*
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1054
	 * there is a workaround being applied below that limits
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1055
	 * 64-bit DMA addresses to 64-bit hardware.  There are some
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1056
	 * 32-bit adapters that Tx hang when given 64-bit DMA addresses
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1057
	 */
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1058
	pci_using_dac = 0;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1059
	if ((hw->bus_type == e1000_bus_type_pcix) &&
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1060
	    !dma_set_mask(&pdev->dev, DMA_BIT_MASK(64))) {
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1061
		/*
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1062
		 * according to DMA-API-HOWTO, coherent calls will always
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1063
		 * succeed if the set call did
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1064
		 */
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1065
		dma_set_coherent_mask(&pdev->dev, DMA_BIT_MASK(64));
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1066
		pci_using_dac = 1;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1067
	} else {
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1068
		err = dma_set_mask(&pdev->dev, DMA_BIT_MASK(32));
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1069
		if (err) {
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1070
			pr_err("No usable DMA config, aborting\n");
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1071
			goto err_dma;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1072
		}
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1073
		dma_set_coherent_mask(&pdev->dev, DMA_BIT_MASK(32));
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1074
	}
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1075
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1076
	netdev->netdev_ops = &e1000_netdev_ops;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1077
	e1000_set_ethtool_ops(netdev);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1078
	netdev->watchdog_timeo = 5 * HZ;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1079
	netif_napi_add(netdev, &adapter->napi, e1000_clean, 64);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1080
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1081
	strncpy(netdev->name, pci_name(pdev), sizeof(netdev->name) - 1);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1082
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1083
	adapter->bd_number = cards_found;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1084
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1085
	/* setup the private structure */
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1086
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1087
	err = e1000_sw_init(adapter);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1088
	if (err)
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1089
		goto err_sw_init;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1090
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1091
	err = -EIO;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1092
	if (hw->mac_type == e1000_ce4100) {
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1093
		hw->ce4100_gbe_mdio_base_virt =
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1094
					ioremap(pci_resource_start(pdev, BAR_1),
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1095
		                                pci_resource_len(pdev, BAR_1));
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1096
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1097
		if (!hw->ce4100_gbe_mdio_base_virt)
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1098
			goto err_mdio_ioremap;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1099
	}
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1100
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1101
	if (hw->mac_type >= e1000_82543) {
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1102
		netdev->hw_features = NETIF_F_SG |
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1103
				   NETIF_F_HW_CSUM |
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1104
				   NETIF_F_HW_VLAN_RX;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1105
		netdev->features = NETIF_F_HW_VLAN_TX |
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1106
				   NETIF_F_HW_VLAN_FILTER;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1107
	}
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1108
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1109
	if ((hw->mac_type >= e1000_82544) &&
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1110
	   (hw->mac_type != e1000_82547))
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1111
		netdev->hw_features |= NETIF_F_TSO;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1112
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1113
	netdev->priv_flags |= IFF_SUPP_NOFCS;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1114
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1115
	netdev->features |= netdev->hw_features;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1116
	netdev->hw_features |= (NETIF_F_RXCSUM |
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1117
				NETIF_F_RXALL |
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1118
				NETIF_F_RXFCS);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1119
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1120
	if (pci_using_dac) {
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1121
		netdev->features |= NETIF_F_HIGHDMA;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1122
		netdev->vlan_features |= NETIF_F_HIGHDMA;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1123
	}
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1124
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1125
	netdev->vlan_features |= (NETIF_F_TSO |
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1126
				  NETIF_F_HW_CSUM |
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1127
				  NETIF_F_SG);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1128
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1129
	netdev->priv_flags |= IFF_UNICAST_FLT;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1130
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1131
	adapter->en_mng_pt = e1000_enable_mng_pass_thru(hw);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1132
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1133
	/* initialize eeprom parameters */
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1134
	if (e1000_init_eeprom_params(hw)) {
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1135
		e_err(probe, "EEPROM initialization failed\n");
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1136
		goto err_eeprom;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1137
	}
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1138
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1139
	/* before reading the EEPROM, reset the controller to
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1140
	 * put the device in a known good starting state */
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1141
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1142
	e1000_reset_hw(hw);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1143
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1144
	/* make sure the EEPROM is good */
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1145
	if (e1000_validate_eeprom_checksum(hw) < 0) {
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1146
		e_err(probe, "The EEPROM Checksum Is Not Valid\n");
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1147
		e1000_dump_eeprom(adapter);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1148
		/*
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1149
		 * set MAC address to all zeroes to invalidate and temporary
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1150
		 * disable this device for the user. This blocks regular
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1151
		 * traffic while still permitting ethtool ioctls from reaching
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1152
		 * the hardware as well as allowing the user to run the
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1153
		 * interface after manually setting a hw addr using
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1154
		 * `ip set address`
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1155
		 */
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1156
		memset(hw->mac_addr, 0, netdev->addr_len);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1157
	} else {
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1158
		/* copy the MAC address out of the EEPROM */
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1159
		if (e1000_read_mac_addr(hw))
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1160
			e_err(probe, "EEPROM Read Error\n");
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1161
	}
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1162
	/* don't block initalization here due to bad MAC address */
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1163
	memcpy(netdev->dev_addr, hw->mac_addr, netdev->addr_len);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1164
	memcpy(netdev->perm_addr, hw->mac_addr, netdev->addr_len);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1165
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1166
	if (!is_valid_ether_addr(netdev->perm_addr))
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1167
		e_err(probe, "Invalid MAC Address\n");
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1168
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1169
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1170
	INIT_DELAYED_WORK(&adapter->watchdog_task, e1000_watchdog);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1171
	INIT_DELAYED_WORK(&adapter->fifo_stall_task,
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1172
			  e1000_82547_tx_fifo_stall_task);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1173
	INIT_DELAYED_WORK(&adapter->phy_info_task, e1000_update_phy_info_task);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1174
	INIT_WORK(&adapter->reset_task, e1000_reset_task);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1175
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1176
	e1000_check_options(adapter);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1177
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1178
	/* Initial Wake on LAN setting
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1179
	 * If APM wake is enabled in the EEPROM,
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1180
	 * enable the ACPI Magic Packet filter
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1181
	 */
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1182
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1183
	switch (hw->mac_type) {
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1184
	case e1000_82542_rev2_0:
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1185
	case e1000_82542_rev2_1:
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1186
	case e1000_82543:
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1187
		break;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1188
	case e1000_82544:
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1189
		e1000_read_eeprom(hw,
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1190
			EEPROM_INIT_CONTROL2_REG, 1, &eeprom_data);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1191
		eeprom_apme_mask = E1000_EEPROM_82544_APM;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1192
		break;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1193
	case e1000_82546:
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1194
	case e1000_82546_rev_3:
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1195
		if (er32(STATUS) & E1000_STATUS_FUNC_1){
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1196
			e1000_read_eeprom(hw,
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1197
				EEPROM_INIT_CONTROL3_PORT_B, 1, &eeprom_data);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1198
			break;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1199
		}
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1200
		/* Fall Through */
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1201
	default:
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1202
		e1000_read_eeprom(hw,
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1203
			EEPROM_INIT_CONTROL3_PORT_A, 1, &eeprom_data);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1204
		break;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1205
	}
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1206
	if (eeprom_data & eeprom_apme_mask)
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1207
		adapter->eeprom_wol |= E1000_WUFC_MAG;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1208
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1209
	/* now that we have the eeprom settings, apply the special cases
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1210
	 * where the eeprom may be wrong or the board simply won't support
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1211
	 * wake on lan on a particular port */
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1212
	switch (pdev->device) {
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1213
	case E1000_DEV_ID_82546GB_PCIE:
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1214
		adapter->eeprom_wol = 0;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1215
		break;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1216
	case E1000_DEV_ID_82546EB_FIBER:
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1217
	case E1000_DEV_ID_82546GB_FIBER:
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1218
		/* Wake events only supported on port A for dual fiber
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1219
		 * regardless of eeprom setting */
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1220
		if (er32(STATUS) & E1000_STATUS_FUNC_1)
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1221
			adapter->eeprom_wol = 0;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1222
		break;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1223
	case E1000_DEV_ID_82546GB_QUAD_COPPER_KSP3:
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1224
		/* if quad port adapter, disable WoL on all but port A */
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1225
		if (global_quad_port_a != 0)
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1226
			adapter->eeprom_wol = 0;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1227
		else
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1228
			adapter->quad_port_a = true;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1229
		/* Reset for multiple quad port adapters */
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1230
		if (++global_quad_port_a == 4)
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1231
			global_quad_port_a = 0;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1232
		break;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1233
	}
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1234
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1235
	/* initialize the wol settings based on the eeprom settings */
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1236
	adapter->wol = adapter->eeprom_wol;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1237
	device_set_wakeup_enable(&adapter->pdev->dev, adapter->wol);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1238
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1239
	/* Auto detect PHY address */
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1240
	if (hw->mac_type == e1000_ce4100) {
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1241
		for (i = 0; i < 32; i++) {
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1242
			hw->phy_addr = i;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1243
			e1000_read_phy_reg(hw, PHY_ID2, &tmp);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1244
			if (tmp == 0 || tmp == 0xFF) {
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1245
				if (i == 31)
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1246
					goto err_eeprom;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1247
				continue;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1248
			} else
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1249
				break;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1250
		}
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1251
	}
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1252
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1253
	/* reset the hardware with the new settings */
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1254
	e1000_reset(adapter);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1255
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1256
 	// offer device to EtherCAT master module
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1257
	adapter->ecdev = ecdev_offer(netdev, ec_poll, THIS_MODULE);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1258
	if (adapter->ecdev) {
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1259
		if (ecdev_open(adapter->ecdev)) {
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1260
			ecdev_withdraw(adapter->ecdev);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1261
			goto err_register;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1262
		}
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1263
	} else {
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1264
		strcpy(netdev->name, "eth%d");
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1265
		err = register_netdev(netdev);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1266
		if (err)
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1267
			goto err_register;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1268
	}
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1269
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1270
	e1000_vlan_filter_on_off(adapter, false);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1271
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1272
	/* print bus type/speed/width info */
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1273
	e_info(probe, "(PCI%s:%dMHz:%d-bit) %pM\n",
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1274
	       ((hw->bus_type == e1000_bus_type_pcix) ? "-X" : ""),
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1275
	       ((hw->bus_speed == e1000_bus_speed_133) ? 133 :
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1276
		(hw->bus_speed == e1000_bus_speed_120) ? 120 :
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1277
		(hw->bus_speed == e1000_bus_speed_100) ? 100 :
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1278
		(hw->bus_speed == e1000_bus_speed_66) ? 66 : 33),
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1279
	       ((hw->bus_width == e1000_bus_width_64) ? 64 : 32),
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1280
	       netdev->dev_addr);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1281
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1282
	if (!adapter->ecdev) {
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1283
		/* carrier off reporting is important to ethtool even BEFORE open */
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1284
		netif_carrier_off(netdev);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1285
	}
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1286
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1287
	e_info(probe, "Intel(R) PRO/1000 Network Connection\n");
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1288
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1289
	cards_found++;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1290
	return 0;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1291
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1292
err_register:
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1293
err_eeprom:
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1294
	e1000_phy_hw_reset(hw);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1295
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1296
	if (hw->flash_address)
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1297
		iounmap(hw->flash_address);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1298
	kfree(adapter->tx_ring);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1299
	kfree(adapter->rx_ring);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1300
err_dma:
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1301
err_sw_init:
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1302
err_mdio_ioremap:
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1303
	iounmap(hw->ce4100_gbe_mdio_base_virt);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1304
	iounmap(hw->hw_addr);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1305
err_ioremap:
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1306
	free_netdev(netdev);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1307
err_alloc_etherdev:
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1308
	pci_release_selected_regions(pdev, bars);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1309
err_pci_reg:
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1310
	pci_disable_device(pdev);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1311
	return err;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1312
}
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1313
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1314
/**
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1315
 * e1000_remove - Device Removal Routine
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1316
 * @pdev: PCI device information struct
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1317
 *
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1318
 * e1000_remove is called by the PCI subsystem to alert the driver
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1319
 * that it should release a PCI device.  The could be caused by a
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1320
 * Hot-Plug event, or because the driver is going to be removed from
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1321
 * memory.
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1322
 **/
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1323
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1324
static void __devexit e1000_remove(struct pci_dev *pdev)
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1325
{
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1326
	struct net_device *netdev = pci_get_drvdata(pdev);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1327
	struct e1000_adapter *adapter = netdev_priv(netdev);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1328
	struct e1000_hw *hw = &adapter->hw;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1329
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1330
	e1000_down_and_stop(adapter);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1331
	e1000_release_manageability(adapter);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1332
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1333
	if (adapter->ecdev) {
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1334
		ecdev_close(adapter->ecdev);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1335
		ecdev_withdraw(adapter->ecdev);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1336
	} else {
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1337
		unregister_netdev(netdev);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1338
	}
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1339
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1340
	e1000_phy_hw_reset(hw);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1341
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1342
	kfree(adapter->tx_ring);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1343
	kfree(adapter->rx_ring);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1344
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1345
	if (hw->mac_type == e1000_ce4100)
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1346
		iounmap(hw->ce4100_gbe_mdio_base_virt);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1347
	iounmap(hw->hw_addr);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1348
	if (hw->flash_address)
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1349
		iounmap(hw->flash_address);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1350
	pci_release_selected_regions(pdev, adapter->bars);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1351
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1352
	free_netdev(netdev);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1353
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1354
	pci_disable_device(pdev);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1355
}
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1356
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1357
/**
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1358
 * e1000_sw_init - Initialize general software structures (struct e1000_adapter)
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1359
 * @adapter: board private structure to initialize
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1360
 *
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1361
 * e1000_sw_init initializes the Adapter private data structure.
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1362
 * e1000_init_hw_struct MUST be called before this function
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1363
 **/
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1364
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1365
static int __devinit e1000_sw_init(struct e1000_adapter *adapter)
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1366
{
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1367
	adapter->rx_buffer_len = MAXIMUM_ETHERNET_VLAN_SIZE;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1368
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1369
	adapter->num_tx_queues = 1;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1370
	adapter->num_rx_queues = 1;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1371
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1372
	if (e1000_alloc_queues(adapter)) {
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1373
		e_err(probe, "Unable to allocate memory for queues\n");
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1374
		return -ENOMEM;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1375
	}
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1376
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1377
	/* Explicitly disable IRQ since the NIC can be in any state. */
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1378
	e1000_irq_disable(adapter);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1379
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1380
	spin_lock_init(&adapter->stats_lock);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1381
	mutex_init(&adapter->mutex);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1382
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1383
	set_bit(__E1000_DOWN, &adapter->flags);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1384
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1385
	return 0;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1386
}
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1387
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1388
/**
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1389
 * e1000_alloc_queues - Allocate memory for all rings
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1390
 * @adapter: board private structure to initialize
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1391
 *
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1392
 * We allocate one ring per queue at run-time since we don't know the
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1393
 * number of queues at compile-time.
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1394
 **/
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1395
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1396
static int __devinit e1000_alloc_queues(struct e1000_adapter *adapter)
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1397
{
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1398
	adapter->tx_ring = kcalloc(adapter->num_tx_queues,
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1399
	                           sizeof(struct e1000_tx_ring), GFP_KERNEL);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1400
	if (!adapter->tx_ring)
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1401
		return -ENOMEM;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1402
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1403
	adapter->rx_ring = kcalloc(adapter->num_rx_queues,
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1404
	                           sizeof(struct e1000_rx_ring), GFP_KERNEL);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1405
	if (!adapter->rx_ring) {
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1406
		kfree(adapter->tx_ring);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1407
		return -ENOMEM;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1408
	}
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1409
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1410
	return E1000_SUCCESS;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1411
}
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1412
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1413
/**
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1414
 * e1000_open - Called when a network interface is made active
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1415
 * @netdev: network interface device structure
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1416
 *
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1417
 * Returns 0 on success, negative value on failure
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1418
 *
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1419
 * The open entry point is called when a network interface is made
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1420
 * active by the system (IFF_UP).  At this point all resources needed
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1421
 * for transmit and receive operations are allocated, the interrupt
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1422
 * handler is registered with the OS, the watchdog task is started,
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1423
 * and the stack is notified that the interface is ready.
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1424
 **/
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1425
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1426
static int e1000_open(struct net_device *netdev)
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1427
{
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1428
	struct e1000_adapter *adapter = netdev_priv(netdev);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1429
	struct e1000_hw *hw = &adapter->hw;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1430
	int err;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1431
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1432
	/* disallow open during test */
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1433
	if (test_bit(__E1000_TESTING, &adapter->flags))
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1434
		return -EBUSY;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1435
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1436
	netif_carrier_off(netdev);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1437
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1438
	/* allocate transmit descriptors */
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1439
	err = e1000_setup_all_tx_resources(adapter);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1440
	if (err)
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1441
		goto err_setup_tx;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1442
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1443
	/* allocate receive descriptors */
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1444
	err = e1000_setup_all_rx_resources(adapter);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1445
	if (err)
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1446
		goto err_setup_rx;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1447
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1448
	e1000_power_up_phy(adapter);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1449
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1450
	adapter->mng_vlan_id = E1000_MNG_VLAN_NONE;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1451
	if ((hw->mng_cookie.status &
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1452
			  E1000_MNG_DHCP_COOKIE_STATUS_VLAN_SUPPORT)) {
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1453
		e1000_update_mng_vlan(adapter);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1454
	}
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1455
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1456
	/* before we allocate an interrupt, we must be ready to handle it.
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1457
	 * Setting DEBUG_SHIRQ in the kernel makes it fire an interrupt
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1458
	 * as soon as we call pci_request_irq, so we have to setup our
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1459
	 * clean_rx handler before we do so.  */
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1460
	e1000_configure(adapter);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1461
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1462
	err = e1000_request_irq(adapter);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1463
	if (err)
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1464
		goto err_req_irq;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1465
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1466
	/* From here on the code is the same as e1000_up() */
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1467
	clear_bit(__E1000_DOWN, &adapter->flags);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1468
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1469
	if (!adapter->ecdev) {
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1470
		napi_enable(&adapter->napi);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1471
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1472
		e1000_irq_enable(adapter);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1473
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1474
		netif_start_queue(netdev);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1475
	}
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1476
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1477
	/* fire a link status change interrupt to start the watchdog */
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1478
	ew32(ICS, E1000_ICS_LSC);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1479
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1480
	return E1000_SUCCESS;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1481
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1482
err_req_irq:
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1483
	e1000_power_down_phy(adapter);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1484
	e1000_free_all_rx_resources(adapter);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1485
err_setup_rx:
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1486
	e1000_free_all_tx_resources(adapter);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1487
err_setup_tx:
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1488
	e1000_reset(adapter);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1489
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1490
	return err;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1491
}
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1492
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1493
/**
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1494
 * e1000_close - Disables a network interface
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1495
 * @netdev: network interface device structure
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1496
 *
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1497
 * Returns 0, this is not allowed to fail
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1498
 *
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1499
 * The close entry point is called when an interface is de-activated
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1500
 * by the OS.  The hardware is still under the drivers control, but
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1501
 * needs to be disabled.  A global MAC reset is issued to stop the
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1502
 * hardware, and all transmit and receive resources are freed.
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1503
 **/
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1504
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1505
static int e1000_close(struct net_device *netdev)
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1506
{
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1507
	struct e1000_adapter *adapter = netdev_priv(netdev);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1508
	struct e1000_hw *hw = &adapter->hw;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1509
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1510
	WARN_ON(test_bit(__E1000_RESETTING, &adapter->flags));
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1511
	e1000_down(adapter);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1512
	e1000_power_down_phy(adapter);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1513
	e1000_free_irq(adapter);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1514
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1515
	e1000_free_all_tx_resources(adapter);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1516
	e1000_free_all_rx_resources(adapter);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1517
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1518
	/* kill manageability vlan ID if supported, but not if a vlan with
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1519
	 * the same ID is registered on the host OS (let 8021q kill it) */
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1520
	if ((hw->mng_cookie.status &
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1521
			  E1000_MNG_DHCP_COOKIE_STATUS_VLAN_SUPPORT) &&
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1522
	     !test_bit(adapter->mng_vlan_id, adapter->active_vlans)) {
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1523
		e1000_vlan_rx_kill_vid(netdev, adapter->mng_vlan_id);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1524
	}
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1525
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1526
	return 0;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1527
}
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1528
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1529
/**
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1530
 * e1000_check_64k_bound - check that memory doesn't cross 64kB boundary
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1531
 * @adapter: address of board private structure
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1532
 * @start: address of beginning of memory
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1533
 * @len: length of memory
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1534
 **/
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1535
static bool e1000_check_64k_bound(struct e1000_adapter *adapter, void *start,
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1536
				  unsigned long len)
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1537
{
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1538
	struct e1000_hw *hw = &adapter->hw;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1539
	unsigned long begin = (unsigned long)start;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1540
	unsigned long end = begin + len;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1541
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1542
	/* First rev 82545 and 82546 need to not allow any memory
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1543
	 * write location to cross 64k boundary due to errata 23 */
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1544
	if (hw->mac_type == e1000_82545 ||
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1545
	    hw->mac_type == e1000_ce4100 ||
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1546
	    hw->mac_type == e1000_82546) {
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1547
		return ((begin ^ (end - 1)) >> 16) != 0 ? false : true;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1548
	}
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1549
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1550
	return true;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1551
}
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1552
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1553
/**
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1554
 * e1000_setup_tx_resources - allocate Tx resources (Descriptors)
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1555
 * @adapter: board private structure
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1556
 * @txdr:    tx descriptor ring (for a specific queue) to setup
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1557
 *
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1558
 * Return 0 on success, negative on failure
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1559
 **/
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1560
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1561
static int e1000_setup_tx_resources(struct e1000_adapter *adapter,
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1562
				    struct e1000_tx_ring *txdr)
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1563
{
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1564
	struct pci_dev *pdev = adapter->pdev;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1565
	int size;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1566
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1567
	size = sizeof(struct e1000_buffer) * txdr->count;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1568
	txdr->buffer_info = vzalloc(size);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1569
	if (!txdr->buffer_info) {
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1570
		e_err(probe, "Unable to allocate memory for the Tx descriptor "
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1571
		      "ring\n");
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1572
		return -ENOMEM;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1573
	}
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1574
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1575
	/* round up to nearest 4K */
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1576
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1577
	txdr->size = txdr->count * sizeof(struct e1000_tx_desc);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1578
	txdr->size = ALIGN(txdr->size, 4096);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1579
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1580
	txdr->desc = dma_alloc_coherent(&pdev->dev, txdr->size, &txdr->dma,
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1581
					GFP_KERNEL);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1582
	if (!txdr->desc) {
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1583
setup_tx_desc_die:
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1584
		vfree(txdr->buffer_info);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1585
		e_err(probe, "Unable to allocate memory for the Tx descriptor "
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1586
		      "ring\n");
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1587
		return -ENOMEM;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1588
	}
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1589
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1590
	/* Fix for errata 23, can't cross 64kB boundary */
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1591
	if (!e1000_check_64k_bound(adapter, txdr->desc, txdr->size)) {
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1592
		void *olddesc = txdr->desc;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1593
		dma_addr_t olddma = txdr->dma;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1594
		e_err(tx_err, "txdr align check failed: %u bytes at %p\n",
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1595
		      txdr->size, txdr->desc);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1596
		/* Try again, without freeing the previous */
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1597
		txdr->desc = dma_alloc_coherent(&pdev->dev, txdr->size,
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1598
						&txdr->dma, GFP_KERNEL);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1599
		/* Failed allocation, critical failure */
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1600
		if (!txdr->desc) {
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1601
			dma_free_coherent(&pdev->dev, txdr->size, olddesc,
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1602
					  olddma);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1603
			goto setup_tx_desc_die;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1604
		}
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1605
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1606
		if (!e1000_check_64k_bound(adapter, txdr->desc, txdr->size)) {
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1607
			/* give up */
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1608
			dma_free_coherent(&pdev->dev, txdr->size, txdr->desc,
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1609
					  txdr->dma);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1610
			dma_free_coherent(&pdev->dev, txdr->size, olddesc,
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1611
					  olddma);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1612
			e_err(probe, "Unable to allocate aligned memory "
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1613
			      "for the transmit descriptor ring\n");
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1614
			vfree(txdr->buffer_info);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1615
			return -ENOMEM;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1616
		} else {
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1617
			/* Free old allocation, new allocation was successful */
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1618
			dma_free_coherent(&pdev->dev, txdr->size, olddesc,
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1619
					  olddma);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1620
		}
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1621
	}
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1622
	memset(txdr->desc, 0, txdr->size);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1623
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1624
	txdr->next_to_use = 0;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1625
	txdr->next_to_clean = 0;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1626
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1627
	return 0;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1628
}
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1629
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1630
/**
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1631
 * e1000_setup_all_tx_resources - wrapper to allocate Tx resources
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1632
 * 				  (Descriptors) for all queues
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1633
 * @adapter: board private structure
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1634
 *
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1635
 * Return 0 on success, negative on failure
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1636
 **/
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1637
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1638
int e1000_setup_all_tx_resources(struct e1000_adapter *adapter)
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1639
{
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1640
	int i, err = 0;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1641
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1642
	for (i = 0; i < adapter->num_tx_queues; i++) {
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1643
		err = e1000_setup_tx_resources(adapter, &adapter->tx_ring[i]);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1644
		if (err) {
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1645
			e_err(probe, "Allocation for Tx Queue %u failed\n", i);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1646
			for (i-- ; i >= 0; i--)
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1647
				e1000_free_tx_resources(adapter,
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1648
							&adapter->tx_ring[i]);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1649
			break;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1650
		}
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1651
	}
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1652
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1653
	return err;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1654
}
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1655
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1656
/**
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1657
 * e1000_configure_tx - Configure 8254x Transmit Unit after Reset
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1658
 * @adapter: board private structure
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1659
 *
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1660
 * Configure the Tx unit of the MAC after a reset.
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1661
 **/
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1662
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1663
static void e1000_configure_tx(struct e1000_adapter *adapter)
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1664
{
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1665
	u64 tdba;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1666
	struct e1000_hw *hw = &adapter->hw;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1667
	u32 tdlen, tctl, tipg;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1668
	u32 ipgr1, ipgr2;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1669
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1670
	/* Setup the HW Tx Head and Tail descriptor pointers */
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1671
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1672
	switch (adapter->num_tx_queues) {
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1673
	case 1:
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1674
	default:
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1675
		tdba = adapter->tx_ring[0].dma;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1676
		tdlen = adapter->tx_ring[0].count *
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1677
			sizeof(struct e1000_tx_desc);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1678
		ew32(TDLEN, tdlen);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1679
		ew32(TDBAH, (tdba >> 32));
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1680
		ew32(TDBAL, (tdba & 0x00000000ffffffffULL));
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1681
		ew32(TDT, 0);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1682
		ew32(TDH, 0);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1683
		adapter->tx_ring[0].tdh = ((hw->mac_type >= e1000_82543) ? E1000_TDH : E1000_82542_TDH);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1684
		adapter->tx_ring[0].tdt = ((hw->mac_type >= e1000_82543) ? E1000_TDT : E1000_82542_TDT);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1685
		break;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1686
	}
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1687
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1688
	/* Set the default values for the Tx Inter Packet Gap timer */
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1689
	if ((hw->media_type == e1000_media_type_fiber ||
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1690
	     hw->media_type == e1000_media_type_internal_serdes))
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1691
		tipg = DEFAULT_82543_TIPG_IPGT_FIBER;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1692
	else
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1693
		tipg = DEFAULT_82543_TIPG_IPGT_COPPER;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1694
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1695
	switch (hw->mac_type) {
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1696
	case e1000_82542_rev2_0:
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1697
	case e1000_82542_rev2_1:
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1698
		tipg = DEFAULT_82542_TIPG_IPGT;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1699
		ipgr1 = DEFAULT_82542_TIPG_IPGR1;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1700
		ipgr2 = DEFAULT_82542_TIPG_IPGR2;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1701
		break;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1702
	default:
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1703
		ipgr1 = DEFAULT_82543_TIPG_IPGR1;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1704
		ipgr2 = DEFAULT_82543_TIPG_IPGR2;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1705
		break;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1706
	}
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1707
	tipg |= ipgr1 << E1000_TIPG_IPGR1_SHIFT;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1708
	tipg |= ipgr2 << E1000_TIPG_IPGR2_SHIFT;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1709
	ew32(TIPG, tipg);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1710
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1711
	/* Set the Tx Interrupt Delay register */
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1712
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1713
	ew32(TIDV, adapter->tx_int_delay);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1714
	if (hw->mac_type >= e1000_82540)
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1715
		ew32(TADV, adapter->tx_abs_int_delay);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1716
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1717
	/* Program the Transmit Control Register */
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1718
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1719
	tctl = er32(TCTL);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1720
	tctl &= ~E1000_TCTL_CT;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1721
	tctl |= E1000_TCTL_PSP | E1000_TCTL_RTLC |
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1722
		(E1000_COLLISION_THRESHOLD << E1000_CT_SHIFT);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1723
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1724
	e1000_config_collision_dist(hw);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1725
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1726
	/* Setup Transmit Descriptor Settings for eop descriptor */
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1727
	adapter->txd_cmd = E1000_TXD_CMD_EOP | E1000_TXD_CMD_IFCS;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1728
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1729
	/* only set IDE if we are delaying interrupts using the timers */
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1730
	if (adapter->tx_int_delay)
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1731
		adapter->txd_cmd |= E1000_TXD_CMD_IDE;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1732
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1733
	if (hw->mac_type < e1000_82543)
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1734
		adapter->txd_cmd |= E1000_TXD_CMD_RPS;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1735
	else
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1736
		adapter->txd_cmd |= E1000_TXD_CMD_RS;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1737
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1738
	/* Cache if we're 82544 running in PCI-X because we'll
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1739
	 * need this to apply a workaround later in the send path. */
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1740
	if (hw->mac_type == e1000_82544 &&
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1741
	    hw->bus_type == e1000_bus_type_pcix)
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1742
		adapter->pcix_82544 = true;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1743
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1744
	ew32(TCTL, tctl);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1745
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1746
}
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1747
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1748
/**
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1749
 * e1000_setup_rx_resources - allocate Rx resources (Descriptors)
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1750
 * @adapter: board private structure
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1751
 * @rxdr:    rx descriptor ring (for a specific queue) to setup
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1752
 *
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1753
 * Returns 0 on success, negative on failure
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1754
 **/
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1755
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1756
static int e1000_setup_rx_resources(struct e1000_adapter *adapter,
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1757
				    struct e1000_rx_ring *rxdr)
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1758
{
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1759
	struct pci_dev *pdev = adapter->pdev;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1760
	int size, desc_len;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1761
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1762
	size = sizeof(struct e1000_buffer) * rxdr->count;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1763
	rxdr->buffer_info = vzalloc(size);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1764
	if (!rxdr->buffer_info) {
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1765
		e_err(probe, "Unable to allocate memory for the Rx descriptor "
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1766
		      "ring\n");
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1767
		return -ENOMEM;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1768
	}
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1769
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1770
	desc_len = sizeof(struct e1000_rx_desc);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1771
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1772
	/* Round up to nearest 4K */
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1773
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1774
	rxdr->size = rxdr->count * desc_len;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1775
	rxdr->size = ALIGN(rxdr->size, 4096);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1776
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1777
	rxdr->desc = dma_alloc_coherent(&pdev->dev, rxdr->size, &rxdr->dma,
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1778
					GFP_KERNEL);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1779
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1780
	if (!rxdr->desc) {
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1781
		e_err(probe, "Unable to allocate memory for the Rx descriptor "
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1782
		      "ring\n");
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1783
setup_rx_desc_die:
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1784
		vfree(rxdr->buffer_info);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1785
		return -ENOMEM;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1786
	}
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1787
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1788
	/* Fix for errata 23, can't cross 64kB boundary */
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1789
	if (!e1000_check_64k_bound(adapter, rxdr->desc, rxdr->size)) {
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1790
		void *olddesc = rxdr->desc;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1791
		dma_addr_t olddma = rxdr->dma;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1792
		e_err(rx_err, "rxdr align check failed: %u bytes at %p\n",
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1793
		      rxdr->size, rxdr->desc);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1794
		/* Try again, without freeing the previous */
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1795
		rxdr->desc = dma_alloc_coherent(&pdev->dev, rxdr->size,
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1796
						&rxdr->dma, GFP_KERNEL);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1797
		/* Failed allocation, critical failure */
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1798
		if (!rxdr->desc) {
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1799
			dma_free_coherent(&pdev->dev, rxdr->size, olddesc,
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1800
					  olddma);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1801
			e_err(probe, "Unable to allocate memory for the Rx "
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1802
			      "descriptor ring\n");
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1803
			goto setup_rx_desc_die;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1804
		}
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1805
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1806
		if (!e1000_check_64k_bound(adapter, rxdr->desc, rxdr->size)) {
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1807
			/* give up */
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1808
			dma_free_coherent(&pdev->dev, rxdr->size, rxdr->desc,
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1809
					  rxdr->dma);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1810
			dma_free_coherent(&pdev->dev, rxdr->size, olddesc,
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1811
					  olddma);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1812
			e_err(probe, "Unable to allocate aligned memory for "
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1813
			      "the Rx descriptor ring\n");
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1814
			goto setup_rx_desc_die;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1815
		} else {
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1816
			/* Free old allocation, new allocation was successful */
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1817
			dma_free_coherent(&pdev->dev, rxdr->size, olddesc,
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1818
					  olddma);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1819
		}
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1820
	}
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1821
	memset(rxdr->desc, 0, rxdr->size);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1822
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1823
	rxdr->next_to_clean = 0;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1824
	rxdr->next_to_use = 0;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1825
	rxdr->rx_skb_top = NULL;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1826
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1827
	return 0;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1828
}
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1829
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1830
/**
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1831
 * e1000_setup_all_rx_resources - wrapper to allocate Rx resources
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1832
 * 				  (Descriptors) for all queues
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1833
 * @adapter: board private structure
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1834
 *
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1835
 * Return 0 on success, negative on failure
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1836
 **/
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1837
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1838
int e1000_setup_all_rx_resources(struct e1000_adapter *adapter)
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1839
{
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1840
	int i, err = 0;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1841
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1842
	for (i = 0; i < adapter->num_rx_queues; i++) {
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1843
		err = e1000_setup_rx_resources(adapter, &adapter->rx_ring[i]);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1844
		if (err) {
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1845
			e_err(probe, "Allocation for Rx Queue %u failed\n", i);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1846
			for (i-- ; i >= 0; i--)
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1847
				e1000_free_rx_resources(adapter,
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1848
							&adapter->rx_ring[i]);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1849
			break;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1850
		}
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1851
	}
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1852
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1853
	return err;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1854
}
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1855
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1856
/**
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1857
 * e1000_setup_rctl - configure the receive control registers
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1858
 * @adapter: Board private structure
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1859
 **/
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1860
static void e1000_setup_rctl(struct e1000_adapter *adapter)
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1861
{
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1862
	struct e1000_hw *hw = &adapter->hw;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1863
	u32 rctl;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1864
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1865
	rctl = er32(RCTL);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1866
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1867
	rctl &= ~(3 << E1000_RCTL_MO_SHIFT);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1868
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1869
	rctl |= E1000_RCTL_BAM | E1000_RCTL_LBM_NO |
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1870
		E1000_RCTL_RDMTS_HALF |
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1871
		(hw->mc_filter_type << E1000_RCTL_MO_SHIFT);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1872
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1873
	if (hw->tbi_compatibility_on == 1)
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1874
		rctl |= E1000_RCTL_SBP;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1875
	else
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1876
		rctl &= ~E1000_RCTL_SBP;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1877
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1878
	if (adapter->netdev->mtu <= ETH_DATA_LEN)
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1879
		rctl &= ~E1000_RCTL_LPE;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1880
	else
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1881
		rctl |= E1000_RCTL_LPE;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1882
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1883
	/* Setup buffer sizes */
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1884
	rctl &= ~E1000_RCTL_SZ_4096;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1885
	rctl |= E1000_RCTL_BSEX;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1886
	switch (adapter->rx_buffer_len) {
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1887
		case E1000_RXBUFFER_2048:
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1888
		default:
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1889
			rctl |= E1000_RCTL_SZ_2048;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1890
			rctl &= ~E1000_RCTL_BSEX;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1891
			break;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1892
		case E1000_RXBUFFER_4096:
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1893
			rctl |= E1000_RCTL_SZ_4096;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1894
			break;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1895
		case E1000_RXBUFFER_8192:
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1896
			rctl |= E1000_RCTL_SZ_8192;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1897
			break;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1898
		case E1000_RXBUFFER_16384:
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1899
			rctl |= E1000_RCTL_SZ_16384;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1900
			break;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1901
	}
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1902
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1903
	/* This is useful for sniffing bad packets. */
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1904
	if (adapter->netdev->features & NETIF_F_RXALL) {
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1905
		/* UPE and MPE will be handled by normal PROMISC logic
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1906
		 * in e1000e_set_rx_mode */
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1907
		rctl |= (E1000_RCTL_SBP | /* Receive bad packets */
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1908
			 E1000_RCTL_BAM | /* RX All Bcast Pkts */
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1909
			 E1000_RCTL_PMCF); /* RX All MAC Ctrl Pkts */
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1910
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1911
		rctl &= ~(E1000_RCTL_VFE | /* Disable VLAN filter */
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1912
			  E1000_RCTL_DPF | /* Allow filtered pause */
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1913
			  E1000_RCTL_CFIEN); /* Dis VLAN CFIEN Filter */
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1914
		/* Do not mess with E1000_CTRL_VME, it affects transmit as well,
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1915
		 * and that breaks VLANs.
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1916
		 */
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1917
	}
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1918
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1919
	ew32(RCTL, rctl);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1920
}
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1921
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1922
/**
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1923
 * e1000_configure_rx - Configure 8254x Receive Unit after Reset
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1924
 * @adapter: board private structure
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1925
 *
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1926
 * Configure the Rx unit of the MAC after a reset.
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1927
 **/
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1928
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1929
static void e1000_configure_rx(struct e1000_adapter *adapter)
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1930
{
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1931
	u64 rdba;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1932
	struct e1000_hw *hw = &adapter->hw;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1933
	u32 rdlen, rctl, rxcsum;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1934
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1935
	if (adapter->netdev->mtu > ETH_DATA_LEN) {
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1936
		rdlen = adapter->rx_ring[0].count *
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1937
		        sizeof(struct e1000_rx_desc);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1938
		adapter->clean_rx = e1000_clean_jumbo_rx_irq;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1939
		adapter->alloc_rx_buf = e1000_alloc_jumbo_rx_buffers;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1940
	} else {
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1941
		rdlen = adapter->rx_ring[0].count *
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1942
		        sizeof(struct e1000_rx_desc);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1943
		adapter->clean_rx = e1000_clean_rx_irq;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1944
		adapter->alloc_rx_buf = e1000_alloc_rx_buffers;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1945
	}
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1946
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1947
	/* disable receives while setting up the descriptors */
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1948
	rctl = er32(RCTL);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1949
	ew32(RCTL, rctl & ~E1000_RCTL_EN);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1950
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1951
	/* set the Receive Delay Timer Register */
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1952
	ew32(RDTR, adapter->rx_int_delay);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1953
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1954
	if (hw->mac_type >= e1000_82540) {
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1955
		ew32(RADV, adapter->rx_abs_int_delay);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1956
		if (adapter->itr_setting != 0)
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1957
			ew32(ITR, 1000000000 / (adapter->itr * 256));
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1958
	}
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1959
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1960
	/* Setup the HW Rx Head and Tail Descriptor Pointers and
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1961
	 * the Base and Length of the Rx Descriptor Ring */
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1962
	switch (adapter->num_rx_queues) {
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1963
	case 1:
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1964
	default:
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1965
		rdba = adapter->rx_ring[0].dma;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1966
		ew32(RDLEN, rdlen);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1967
		ew32(RDBAH, (rdba >> 32));
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1968
		ew32(RDBAL, (rdba & 0x00000000ffffffffULL));
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1969
		ew32(RDT, 0);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1970
		ew32(RDH, 0);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1971
		adapter->rx_ring[0].rdh = ((hw->mac_type >= e1000_82543) ? E1000_RDH : E1000_82542_RDH);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1972
		adapter->rx_ring[0].rdt = ((hw->mac_type >= e1000_82543) ? E1000_RDT : E1000_82542_RDT);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1973
		break;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1974
	}
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1975
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1976
	/* Enable 82543 Receive Checksum Offload for TCP and UDP */
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1977
	if (hw->mac_type >= e1000_82543) {
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1978
		rxcsum = er32(RXCSUM);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1979
		if (adapter->rx_csum)
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1980
			rxcsum |= E1000_RXCSUM_TUOFL;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1981
		else
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1982
			/* don't need to clear IPPCSE as it defaults to 0 */
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1983
			rxcsum &= ~E1000_RXCSUM_TUOFL;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1984
		ew32(RXCSUM, rxcsum);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1985
	}
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1986
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1987
	/* Enable Receives */
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1988
	ew32(RCTL, rctl | E1000_RCTL_EN);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1989
}
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1990
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1991
/**
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1992
 * e1000_free_tx_resources - Free Tx Resources per Queue
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1993
 * @adapter: board private structure
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1994
 * @tx_ring: Tx descriptor ring for a specific queue
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1995
 *
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1996
 * Free all transmit software resources
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1997
 **/
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1998
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1999
static void e1000_free_tx_resources(struct e1000_adapter *adapter,
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2000
				    struct e1000_tx_ring *tx_ring)
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2001
{
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2002
	struct pci_dev *pdev = adapter->pdev;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2003
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2004
	e1000_clean_tx_ring(adapter, tx_ring);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2005
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2006
	vfree(tx_ring->buffer_info);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2007
	tx_ring->buffer_info = NULL;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2008
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2009
	dma_free_coherent(&pdev->dev, tx_ring->size, tx_ring->desc,
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2010
			  tx_ring->dma);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2011
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2012
	tx_ring->desc = NULL;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2013
}
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2014
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2015
/**
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2016
 * e1000_free_all_tx_resources - Free Tx Resources for All Queues
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2017
 * @adapter: board private structure
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2018
 *
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2019
 * Free all transmit software resources
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2020
 **/
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2021
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2022
void e1000_free_all_tx_resources(struct e1000_adapter *adapter)
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2023
{
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2024
	int i;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2025
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2026
	for (i = 0; i < adapter->num_tx_queues; i++)
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2027
		e1000_free_tx_resources(adapter, &adapter->tx_ring[i]);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2028
}
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2029
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2030
static void e1000_unmap_and_free_tx_resource(struct e1000_adapter *adapter,
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2031
					     struct e1000_buffer *buffer_info)
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2032
{
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2033
	if (adapter->ecdev) {
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2034
		return;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2035
	}
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2036
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2037
	if (buffer_info->dma) {
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2038
		if (buffer_info->mapped_as_page)
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2039
			dma_unmap_page(&adapter->pdev->dev, buffer_info->dma,
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2040
				       buffer_info->length, DMA_TO_DEVICE);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2041
		else
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2042
			dma_unmap_single(&adapter->pdev->dev, buffer_info->dma,
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2043
					 buffer_info->length,
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2044
					 DMA_TO_DEVICE);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2045
		buffer_info->dma = 0;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2046
	}
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2047
	if (buffer_info->skb) {
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2048
		dev_kfree_skb_any(buffer_info->skb);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2049
		buffer_info->skb = NULL;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2050
	}
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2051
	buffer_info->time_stamp = 0;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2052
	/* buffer_info must be completely set up in the transmit path */
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2053
}
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2054
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2055
/**
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2056
 * e1000_clean_tx_ring - Free Tx Buffers
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2057
 * @adapter: board private structure
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2058
 * @tx_ring: ring to be cleaned
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2059
 **/
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2060
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2061
static void e1000_clean_tx_ring(struct e1000_adapter *adapter,
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2062
				struct e1000_tx_ring *tx_ring)
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2063
{
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2064
	struct e1000_hw *hw = &adapter->hw;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2065
	struct e1000_buffer *buffer_info;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2066
	unsigned long size;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2067
	unsigned int i;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2068
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2069
	/* Free all the Tx ring sk_buffs */
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2070
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2071
	for (i = 0; i < tx_ring->count; i++) {
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2072
		buffer_info = &tx_ring->buffer_info[i];
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2073
		e1000_unmap_and_free_tx_resource(adapter, buffer_info);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2074
	}
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2075
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2076
	size = sizeof(struct e1000_buffer) * tx_ring->count;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2077
	memset(tx_ring->buffer_info, 0, size);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2078
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2079
	/* Zero out the descriptor ring */
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2080
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2081
	memset(tx_ring->desc, 0, tx_ring->size);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2082
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2083
	tx_ring->next_to_use = 0;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2084
	tx_ring->next_to_clean = 0;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2085
	tx_ring->last_tx_tso = false;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2086
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2087
	writel(0, hw->hw_addr + tx_ring->tdh);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2088
	writel(0, hw->hw_addr + tx_ring->tdt);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2089
}
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2090
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2091
/**
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2092
 * e1000_clean_all_tx_rings - Free Tx Buffers for all queues
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2093
 * @adapter: board private structure
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2094
 **/
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2095
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2096
static void e1000_clean_all_tx_rings(struct e1000_adapter *adapter)
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2097
{
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2098
	int i;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2099
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2100
	for (i = 0; i < adapter->num_tx_queues; i++)
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2101
		e1000_clean_tx_ring(adapter, &adapter->tx_ring[i]);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2102
}
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2103
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2104
/**
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2105
 * e1000_free_rx_resources - Free Rx Resources
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2106
 * @adapter: board private structure
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2107
 * @rx_ring: ring to clean the resources from
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2108
 *
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2109
 * Free all receive software resources
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2110
 **/
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2111
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2112
static void e1000_free_rx_resources(struct e1000_adapter *adapter,
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2113
				    struct e1000_rx_ring *rx_ring)
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2114
{
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2115
	struct pci_dev *pdev = adapter->pdev;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2116
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2117
	e1000_clean_rx_ring(adapter, rx_ring);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2118
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2119
	vfree(rx_ring->buffer_info);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2120
	rx_ring->buffer_info = NULL;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2121
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2122
	dma_free_coherent(&pdev->dev, rx_ring->size, rx_ring->desc,
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2123
			  rx_ring->dma);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2124
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2125
	rx_ring->desc = NULL;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2126
}
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2127
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2128
/**
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2129
 * e1000_free_all_rx_resources - Free Rx Resources for All Queues
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2130
 * @adapter: board private structure
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2131
 *
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2132
 * Free all receive software resources
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2133
 **/
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2134
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2135
void e1000_free_all_rx_resources(struct e1000_adapter *adapter)
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2136
{
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2137
	int i;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2138
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2139
	for (i = 0; i < adapter->num_rx_queues; i++)
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2140
		e1000_free_rx_resources(adapter, &adapter->rx_ring[i]);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2141
}
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2142
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2143
/**
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2144
 * e1000_clean_rx_ring - Free Rx Buffers per Queue
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2145
 * @adapter: board private structure
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2146
 * @rx_ring: ring to free buffers from
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2147
 **/
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2148
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2149
static void e1000_clean_rx_ring(struct e1000_adapter *adapter,
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2150
				struct e1000_rx_ring *rx_ring)
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2151
{
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2152
	struct e1000_hw *hw = &adapter->hw;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2153
	struct e1000_buffer *buffer_info;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2154
	struct pci_dev *pdev = adapter->pdev;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2155
	unsigned long size;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2156
	unsigned int i;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2157
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2158
	/* Free all the Rx ring sk_buffs */
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2159
	for (i = 0; i < rx_ring->count; i++) {
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2160
		buffer_info = &rx_ring->buffer_info[i];
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2161
		if (buffer_info->dma &&
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2162
		    adapter->clean_rx == e1000_clean_rx_irq) {
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2163
			dma_unmap_single(&pdev->dev, buffer_info->dma,
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2164
			                 buffer_info->length,
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2165
					 DMA_FROM_DEVICE);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2166
		} else if (buffer_info->dma &&
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2167
		           adapter->clean_rx == e1000_clean_jumbo_rx_irq) {
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2168
			dma_unmap_page(&pdev->dev, buffer_info->dma,
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2169
				       buffer_info->length,
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2170
				       DMA_FROM_DEVICE);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2171
		}
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2172
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2173
		buffer_info->dma = 0;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2174
		if (buffer_info->page) {
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2175
			put_page(buffer_info->page);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2176
			buffer_info->page = NULL;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2177
		}
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2178
		if (buffer_info->skb) {
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2179
			dev_kfree_skb(buffer_info->skb);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2180
			buffer_info->skb = NULL;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2181
		}
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2182
	}
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2183
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2184
	/* there also may be some cached data from a chained receive */
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2185
	if (rx_ring->rx_skb_top) {
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2186
		dev_kfree_skb(rx_ring->rx_skb_top);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2187
		rx_ring->rx_skb_top = NULL;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2188
	}
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2189
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2190
	size = sizeof(struct e1000_buffer) * rx_ring->count;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2191
	memset(rx_ring->buffer_info, 0, size);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2192
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2193
	/* Zero out the descriptor ring */
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2194
	memset(rx_ring->desc, 0, rx_ring->size);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2195
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2196
	rx_ring->next_to_clean = 0;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2197
	rx_ring->next_to_use = 0;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2198
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2199
	writel(0, hw->hw_addr + rx_ring->rdh);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2200
	writel(0, hw->hw_addr + rx_ring->rdt);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2201
}
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2202
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2203
/**
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2204
 * e1000_clean_all_rx_rings - Free Rx Buffers for all queues
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2205
 * @adapter: board private structure
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2206
 **/
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2207
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2208
static void e1000_clean_all_rx_rings(struct e1000_adapter *adapter)
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2209
{
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2210
	int i;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2211
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2212
	for (i = 0; i < adapter->num_rx_queues; i++)
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2213
		e1000_clean_rx_ring(adapter, &adapter->rx_ring[i]);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2214
}
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2215
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2216
/* The 82542 2.0 (revision 2) needs to have the receive unit in reset
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2217
 * and memory write and invalidate disabled for certain operations
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2218
 */
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2219
static void e1000_enter_82542_rst(struct e1000_adapter *adapter)
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2220
{
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2221
	struct e1000_hw *hw = &adapter->hw;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2222
	struct net_device *netdev = adapter->netdev;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2223
	u32 rctl;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2224
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2225
	e1000_pci_clear_mwi(hw);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2226
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2227
	rctl = er32(RCTL);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2228
	rctl |= E1000_RCTL_RST;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2229
	ew32(RCTL, rctl);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2230
	E1000_WRITE_FLUSH();
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2231
	mdelay(5);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2232
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2233
	if (!adapter->ecdev && netif_running(netdev))
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2234
		e1000_clean_all_rx_rings(adapter);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2235
}
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2236
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2237
static void e1000_leave_82542_rst(struct e1000_adapter *adapter)
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2238
{
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2239
	struct e1000_hw *hw = &adapter->hw;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2240
	struct net_device *netdev = adapter->netdev;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2241
	u32 rctl;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2242
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2243
	rctl = er32(RCTL);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2244
	rctl &= ~E1000_RCTL_RST;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2245
	ew32(RCTL, rctl);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2246
	E1000_WRITE_FLUSH();
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2247
	mdelay(5);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2248
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2249
	if (hw->pci_cmd_word & PCI_COMMAND_INVALIDATE)
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2250
		e1000_pci_set_mwi(hw);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2251
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2252
	if (!adapter->netdev && netif_running(netdev)) {
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2253
		/* No need to loop, because 82542 supports only 1 queue */
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2254
		struct e1000_rx_ring *ring = &adapter->rx_ring[0];
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2255
		e1000_configure_rx(adapter);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2256
		if (adapter->ecdev) {
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2257
			/* fill rx ring completely! */
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2258
			adapter->alloc_rx_buf(adapter, ring, ring->count);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2259
		} else {
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2260
			/* this one leaves the last ring element unallocated! */
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2261
			adapter->alloc_rx_buf(adapter, ring, E1000_DESC_UNUSED(ring));
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2262
		}
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2263
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2264
	}
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2265
}
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2266
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2267
/**
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2268
 * e1000_set_mac - Change the Ethernet Address of the NIC
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2269
 * @netdev: network interface device structure
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2270
 * @p: pointer to an address structure
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2271
 *
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2272
 * Returns 0 on success, negative on failure
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2273
 **/
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2274
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2275
static int e1000_set_mac(struct net_device *netdev, void *p)
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2276
{
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2277
	struct e1000_adapter *adapter = netdev_priv(netdev);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2278
	struct e1000_hw *hw = &adapter->hw;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2279
	struct sockaddr *addr = p;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2280
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2281
	if (!is_valid_ether_addr(addr->sa_data))
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2282
		return -EADDRNOTAVAIL;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2283
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2284
	/* 82542 2.0 needs to be in reset to write receive address registers */
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2285
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2286
	if (hw->mac_type == e1000_82542_rev2_0)
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2287
		e1000_enter_82542_rst(adapter);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2288
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2289
	memcpy(netdev->dev_addr, addr->sa_data, netdev->addr_len);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2290
	memcpy(hw->mac_addr, addr->sa_data, netdev->addr_len);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2291
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2292
	e1000_rar_set(hw, hw->mac_addr, 0);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2293
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2294
	if (hw->mac_type == e1000_82542_rev2_0)
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2295
		e1000_leave_82542_rst(adapter);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2296
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2297
	return 0;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2298
}
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2299
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2300
/**
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2301
 * e1000_set_rx_mode - Secondary Unicast, Multicast and Promiscuous mode set
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2302
 * @netdev: network interface device structure
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2303
 *
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2304
 * The set_rx_mode entry point is called whenever the unicast or multicast
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2305
 * address lists or the network interface flags are updated. This routine is
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2306
 * responsible for configuring the hardware for proper unicast, multicast,
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2307
 * promiscuous mode, and all-multi behavior.
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2308
 **/
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2309
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2310
static void e1000_set_rx_mode(struct net_device *netdev)
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2311
{
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2312
	struct e1000_adapter *adapter = netdev_priv(netdev);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2313
	struct e1000_hw *hw = &adapter->hw;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2314
	struct netdev_hw_addr *ha;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2315
	bool use_uc = false;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2316
	u32 rctl;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2317
	u32 hash_value;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2318
	int i, rar_entries = E1000_RAR_ENTRIES;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2319
	int mta_reg_count = E1000_NUM_MTA_REGISTERS;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2320
	u32 *mcarray = kcalloc(mta_reg_count, sizeof(u32), GFP_ATOMIC);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2321
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2322
	if (!mcarray) {
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2323
		e_err(probe, "memory allocation failed\n");
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2324
		return;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2325
	}
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2326
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2327
	/* Check for Promiscuous and All Multicast modes */
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2328
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2329
	rctl = er32(RCTL);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2330
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2331
	if (netdev->flags & IFF_PROMISC) {
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2332
		rctl |= (E1000_RCTL_UPE | E1000_RCTL_MPE);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2333
		rctl &= ~E1000_RCTL_VFE;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2334
	} else {
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2335
		if (netdev->flags & IFF_ALLMULTI)
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2336
			rctl |= E1000_RCTL_MPE;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2337
		else
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2338
			rctl &= ~E1000_RCTL_MPE;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2339
		/* Enable VLAN filter if there is a VLAN */
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2340
		if (e1000_vlan_used(adapter))
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2341
			rctl |= E1000_RCTL_VFE;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2342
	}
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2343
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2344
	if (netdev_uc_count(netdev) > rar_entries - 1) {
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2345
		rctl |= E1000_RCTL_UPE;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2346
	} else if (!(netdev->flags & IFF_PROMISC)) {
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2347
		rctl &= ~E1000_RCTL_UPE;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2348
		use_uc = true;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2349
	}
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2350
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2351
	ew32(RCTL, rctl);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2352
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2353
	/* 82542 2.0 needs to be in reset to write receive address registers */
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2354
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2355
	if (hw->mac_type == e1000_82542_rev2_0)
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2356
		e1000_enter_82542_rst(adapter);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2357
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2358
	/* load the first 14 addresses into the exact filters 1-14. Unicast
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2359
	 * addresses take precedence to avoid disabling unicast filtering
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2360
	 * when possible.
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2361
	 *
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2362
	 * RAR 0 is used for the station MAC address
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2363
	 * if there are not 14 addresses, go ahead and clear the filters
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2364
	 */
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2365
	i = 1;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2366
	if (use_uc)
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2367
		netdev_for_each_uc_addr(ha, netdev) {
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2368
			if (i == rar_entries)
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2369
				break;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2370
			e1000_rar_set(hw, ha->addr, i++);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2371
		}
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2372
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2373
	netdev_for_each_mc_addr(ha, netdev) {
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2374
		if (i == rar_entries) {
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2375
			/* load any remaining addresses into the hash table */
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2376
			u32 hash_reg, hash_bit, mta;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2377
			hash_value = e1000_hash_mc_addr(hw, ha->addr);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2378
			hash_reg = (hash_value >> 5) & 0x7F;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2379
			hash_bit = hash_value & 0x1F;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2380
			mta = (1 << hash_bit);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2381
			mcarray[hash_reg] |= mta;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2382
		} else {
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2383
			e1000_rar_set(hw, ha->addr, i++);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2384
		}
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2385
	}
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2386
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2387
	for (; i < rar_entries; i++) {
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2388
		E1000_WRITE_REG_ARRAY(hw, RA, i << 1, 0);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2389
		E1000_WRITE_FLUSH();
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2390
		E1000_WRITE_REG_ARRAY(hw, RA, (i << 1) + 1, 0);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2391
		E1000_WRITE_FLUSH();
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2392
	}
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2393
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2394
	/* write the hash table completely, write from bottom to avoid
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2395
	 * both stupid write combining chipsets, and flushing each write */
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2396
	for (i = mta_reg_count - 1; i >= 0 ; i--) {
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2397
		/*
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2398
		 * If we are on an 82544 has an errata where writing odd
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2399
		 * offsets overwrites the previous even offset, but writing
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2400
		 * backwards over the range solves the issue by always
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2401
		 * writing the odd offset first
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2402
		 */
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2403
		E1000_WRITE_REG_ARRAY(hw, MTA, i, mcarray[i]);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2404
	}
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2405
	E1000_WRITE_FLUSH();
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2406
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2407
	if (hw->mac_type == e1000_82542_rev2_0)
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2408
		e1000_leave_82542_rst(adapter);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2409
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2410
	kfree(mcarray);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2411
}
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2412
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2413
/**
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2414
 * e1000_update_phy_info_task - get phy info
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2415
 * @work: work struct contained inside adapter struct
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2416
 *
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2417
 * Need to wait a few seconds after link up to get diagnostic information from
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2418
 * the phy
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2419
 */
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2420
static void e1000_update_phy_info_task(struct work_struct *work)
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2421
{
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2422
	struct e1000_adapter *adapter = container_of(work,
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2423
						     struct e1000_adapter,
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2424
						     phy_info_task.work);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2425
	if (test_bit(__E1000_DOWN, &adapter->flags))
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2426
		return;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2427
	mutex_lock(&adapter->mutex);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2428
	e1000_phy_get_info(&adapter->hw, &adapter->phy_info);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2429
	mutex_unlock(&adapter->mutex);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2430
}
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2431
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2432
/**
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2433
 * e1000_82547_tx_fifo_stall_task - task to complete work
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2434
 * @work: work struct contained inside adapter struct
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2435
 **/
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2436
static void e1000_82547_tx_fifo_stall_task(struct work_struct *work)
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2437
{
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2438
	struct e1000_adapter *adapter = container_of(work,
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2439
						     struct e1000_adapter,
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2440
						     fifo_stall_task.work);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2441
	struct e1000_hw *hw = &adapter->hw;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2442
	struct net_device *netdev = adapter->netdev;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2443
	u32 tctl;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2444
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2445
	if (test_bit(__E1000_DOWN, &adapter->flags))
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2446
		return;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2447
	mutex_lock(&adapter->mutex);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2448
	if (atomic_read(&adapter->tx_fifo_stall)) {
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2449
		if ((er32(TDT) == er32(TDH)) &&
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2450
		   (er32(TDFT) == er32(TDFH)) &&
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2451
		   (er32(TDFTS) == er32(TDFHS))) {
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2452
			tctl = er32(TCTL);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2453
			ew32(TCTL, tctl & ~E1000_TCTL_EN);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2454
			ew32(TDFT, adapter->tx_head_addr);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2455
			ew32(TDFH, adapter->tx_head_addr);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2456
			ew32(TDFTS, adapter->tx_head_addr);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2457
			ew32(TDFHS, adapter->tx_head_addr);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2458
			ew32(TCTL, tctl);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2459
			E1000_WRITE_FLUSH();
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2460
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2461
			adapter->tx_fifo_head = 0;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2462
			atomic_set(&adapter->tx_fifo_stall, 0);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2463
			netif_wake_queue(netdev);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2464
		} else if (!test_bit(__E1000_DOWN, &adapter->flags)) {
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2465
			schedule_delayed_work(&adapter->fifo_stall_task, 1);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2466
		}
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2467
	}
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2468
	mutex_unlock(&adapter->mutex);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2469
}
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2470
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2471
bool e1000_has_link(struct e1000_adapter *adapter)
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2472
{
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2473
	struct e1000_hw *hw = &adapter->hw;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2474
	bool link_active = false;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2475
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2476
	/* get_link_status is set on LSC (link status) interrupt or rx
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2477
	 * sequence error interrupt (except on intel ce4100).
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2478
	 * get_link_status will stay false until the
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2479
	 * e1000_check_for_link establishes link for copper adapters
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2480
	 * ONLY
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2481
	 */
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2482
	switch (hw->media_type) {
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2483
	case e1000_media_type_copper:
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2484
		if (hw->mac_type == e1000_ce4100)
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2485
			hw->get_link_status = 1;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2486
		if (hw->get_link_status) {
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2487
			e1000_check_for_link(hw);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2488
			link_active = !hw->get_link_status;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2489
		} else {
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2490
			link_active = true;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2491
		}
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2492
		break;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2493
	case e1000_media_type_fiber:
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2494
		e1000_check_for_link(hw);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2495
		link_active = !!(er32(STATUS) & E1000_STATUS_LU);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2496
		break;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2497
	case e1000_media_type_internal_serdes:
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2498
		e1000_check_for_link(hw);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2499
		link_active = hw->serdes_has_link;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2500
		break;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2501
	default:
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2502
		break;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2503
	}
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2504
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2505
	return link_active;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2506
}
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2507
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2508
/**
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2509
 * e1000_watchdog - work function
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2510
 * @work: work struct contained inside adapter struct
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2511
 **/
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2512
static void e1000_watchdog(struct work_struct *work)
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2513
{
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2514
	struct e1000_adapter *adapter = container_of(work,
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2515
						     struct e1000_adapter,
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2516
						     watchdog_task.work);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2517
	struct e1000_hw *hw = &adapter->hw;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2518
	struct net_device *netdev = adapter->netdev;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2519
	struct e1000_tx_ring *txdr = adapter->tx_ring;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2520
	u32 link, tctl;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2521
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2522
	if (test_bit(__E1000_DOWN, &adapter->flags))
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2523
		return;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2524
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2525
	mutex_lock(&adapter->mutex);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2526
	link = e1000_has_link(adapter);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2527
	if (!adapter->ecdev && (netif_carrier_ok(netdev)) && link)
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2528
		goto link_up;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2529
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2530
	if (link) {
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2531
		if ((adapter->ecdev && !ecdev_get_link(adapter->ecdev))
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2532
				|| (!adapter->ecdev && !netif_carrier_ok(netdev))) {
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2533
			u32 ctrl;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2534
			bool txb2b __attribute__ ((unused)) = true;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2535
			/* update snapshot of PHY registers on LSC */
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2536
			e1000_get_speed_and_duplex(hw,
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2537
			                           &adapter->link_speed,
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2538
			                           &adapter->link_duplex);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2539
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2540
			ctrl = er32(CTRL);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2541
			pr_info("%s NIC Link is Up %d Mbps %s, "
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2542
				"Flow Control: %s\n",
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2543
				netdev->name,
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2544
				adapter->link_speed,
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2545
				adapter->link_duplex == FULL_DUPLEX ?
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2546
				"Full Duplex" : "Half Duplex",
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2547
				((ctrl & E1000_CTRL_TFCE) && (ctrl &
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2548
				E1000_CTRL_RFCE)) ? "RX/TX" : ((ctrl &
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2549
				E1000_CTRL_RFCE) ? "RX" : ((ctrl &
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2550
				E1000_CTRL_TFCE) ? "TX" : "None")));
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2551
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2552
			/* adjust timeout factor according to speed/duplex */
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2553
			adapter->tx_timeout_factor = 1;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2554
			switch (adapter->link_speed) {
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2555
			case SPEED_10:
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2556
				txb2b = false;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2557
				adapter->tx_timeout_factor = 16;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2558
				break;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2559
			case SPEED_100:
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2560
				txb2b = false;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2561
				/* maybe add some timeout factor ? */
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2562
				break;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2563
			}
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2564
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2565
			/* enable transmits in the hardware */
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2566
			tctl = er32(TCTL);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2567
			tctl |= E1000_TCTL_EN;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2568
			ew32(TCTL, tctl);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2569
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2570
			if (adapter->ecdev) {
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2571
				ecdev_set_link(adapter->ecdev, 1);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2572
			}
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2573
			else {
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2574
				netif_carrier_on(netdev);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2575
				if (!test_bit(__E1000_DOWN, &adapter->flags))
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2576
					schedule_delayed_work(&adapter->phy_info_task,
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2577
							2 * HZ);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2578
			}
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2579
			adapter->smartspeed = 0;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2580
		}
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2581
	} else {
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2582
		if ((adapter->ecdev && ecdev_get_link(adapter->ecdev))
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2583
				|| (!adapter->ecdev && netif_carrier_ok(netdev))) {
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2584
			adapter->link_speed = 0;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2585
			adapter->link_duplex = 0;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2586
			pr_info("%s NIC Link is Down\n",
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2587
				netdev->name);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2588
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2589
			if (adapter->ecdev) {
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2590
				ecdev_set_link(adapter->ecdev, 0);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2591
			} else {
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2592
				netif_carrier_off(netdev);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2593
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2594
				if (!test_bit(__E1000_DOWN, &adapter->flags))
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2595
					schedule_delayed_work(&adapter->phy_info_task,
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2596
							2 * HZ);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2597
			}
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2598
		}
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2599
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2600
		e1000_smartspeed(adapter);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2601
	}
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2602
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2603
link_up:
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2604
	e1000_update_stats(adapter);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2605
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2606
	hw->tx_packet_delta = adapter->stats.tpt - adapter->tpt_old;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2607
	adapter->tpt_old = adapter->stats.tpt;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2608
	hw->collision_delta = adapter->stats.colc - adapter->colc_old;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2609
	adapter->colc_old = adapter->stats.colc;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2610
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2611
	adapter->gorcl = adapter->stats.gorcl - adapter->gorcl_old;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2612
	adapter->gorcl_old = adapter->stats.gorcl;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2613
	adapter->gotcl = adapter->stats.gotcl - adapter->gotcl_old;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2614
	adapter->gotcl_old = adapter->stats.gotcl;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2615
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2616
	e1000_update_adaptive(hw);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2617
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2618
	if (!adapter->ecdev && !netif_carrier_ok(netdev)) {
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2619
		if (E1000_DESC_UNUSED(txdr) + 1 < txdr->count) {
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2620
			/* We've lost link, so the controller stops DMA,
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2621
			 * but we've got queued Tx work that's never going
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2622
			 * to get done, so reset controller to flush Tx.
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2623
			 * (Do the reset outside of interrupt context). */
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2624
			adapter->tx_timeout_count++;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2625
			schedule_work(&adapter->reset_task);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2626
			/* exit immediately since reset is imminent */
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2627
			goto unlock;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2628
		}
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2629
	}
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2630
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2631
	/* Simple mode for Interrupt Throttle Rate (ITR) */
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2632
	if (hw->mac_type >= e1000_82540 && adapter->itr_setting == 4) {
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2633
		/*
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2634
		 * Symmetric Tx/Rx gets a reduced ITR=2000;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2635
		 * Total asymmetrical Tx or Rx gets ITR=8000;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2636
		 * everyone else is between 2000-8000.
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2637
		 */
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2638
		u32 goc = (adapter->gotcl + adapter->gorcl) / 10000;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2639
		u32 dif = (adapter->gotcl > adapter->gorcl ?
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2640
			    adapter->gotcl - adapter->gorcl :
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2641
			    adapter->gorcl - adapter->gotcl) / 10000;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2642
		u32 itr = goc > 0 ? (dif * 6000 / goc + 2000) : 8000;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2643
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2644
		ew32(ITR, 1000000000 / (itr * 256));
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2645
	}
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2646
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2647
	/* Cause software interrupt to ensure rx ring is cleaned */
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2648
	ew32(ICS, E1000_ICS_RXDMT0);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2649
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2650
	/* Force detection of hung controller every watchdog period */
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2651
	adapter->detect_tx_hung = true;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2652
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2653
	/* Reschedule the task */
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2654
	if (!adapter->ecdev && !test_bit(__E1000_DOWN, &adapter->flags))
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2655
		schedule_delayed_work(&adapter->watchdog_task, 2 * HZ);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2656
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2657
unlock:
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2658
	mutex_unlock(&adapter->mutex);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2659
}
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2660
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2661
enum latency_range {
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2662
	lowest_latency = 0,
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2663
	low_latency = 1,
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2664
	bulk_latency = 2,
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2665
	latency_invalid = 255
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2666
};
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2667
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2668
/**
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2669
 * e1000_update_itr - update the dynamic ITR value based on statistics
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2670
 * @adapter: pointer to adapter
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2671
 * @itr_setting: current adapter->itr
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2672
 * @packets: the number of packets during this measurement interval
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2673
 * @bytes: the number of bytes during this measurement interval
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2674
 *
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2675
 *      Stores a new ITR value based on packets and byte
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2676
 *      counts during the last interrupt.  The advantage of per interrupt
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2677
 *      computation is faster updates and more accurate ITR for the current
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2678
 *      traffic pattern.  Constants in this function were computed
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2679
 *      based on theoretical maximum wire speed and thresholds were set based
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2680
 *      on testing data as well as attempting to minimize response time
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2681
 *      while increasing bulk throughput.
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2682
 *      this functionality is controlled by the InterruptThrottleRate module
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2683
 *      parameter (see e1000_param.c)
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2684
 **/
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2685
static unsigned int e1000_update_itr(struct e1000_adapter *adapter,
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2686
				     u16 itr_setting, int packets, int bytes)
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2687
{
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2688
	unsigned int retval = itr_setting;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2689
	struct e1000_hw *hw = &adapter->hw;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2690
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2691
	if (unlikely(hw->mac_type < e1000_82540))
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2692
		goto update_itr_done;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2693
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2694
	if (packets == 0)
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2695
		goto update_itr_done;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2696
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2697
	switch (itr_setting) {
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2698
	case lowest_latency:
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2699
		/* jumbo frames get bulk treatment*/
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2700
		if (bytes/packets > 8000)
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2701
			retval = bulk_latency;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2702
		else if ((packets < 5) && (bytes > 512))
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2703
			retval = low_latency;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2704
		break;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2705
	case low_latency:  /* 50 usec aka 20000 ints/s */
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2706
		if (bytes > 10000) {
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2707
			/* jumbo frames need bulk latency setting */
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2708
			if (bytes/packets > 8000)
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2709
				retval = bulk_latency;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2710
			else if ((packets < 10) || ((bytes/packets) > 1200))
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2711
				retval = bulk_latency;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2712
			else if ((packets > 35))
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2713
				retval = lowest_latency;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2714
		} else if (bytes/packets > 2000)
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2715
			retval = bulk_latency;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2716
		else if (packets <= 2 && bytes < 512)
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2717
			retval = lowest_latency;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2718
		break;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2719
	case bulk_latency: /* 250 usec aka 4000 ints/s */
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2720
		if (bytes > 25000) {
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2721
			if (packets > 35)
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2722
				retval = low_latency;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2723
		} else if (bytes < 6000) {
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2724
			retval = low_latency;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2725
		}
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2726
		break;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2727
	}
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2728
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2729
update_itr_done:
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2730
	return retval;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2731
}
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2732
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2733
static void e1000_set_itr(struct e1000_adapter *adapter)
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2734
{
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2735
	struct e1000_hw *hw = &adapter->hw;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2736
	u16 current_itr;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2737
	u32 new_itr = adapter->itr;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2738
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2739
	if (unlikely(hw->mac_type < e1000_82540))
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2740
		return;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2741
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2742
	/* for non-gigabit speeds, just fix the interrupt rate at 4000 */
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2743
	if (unlikely(adapter->link_speed != SPEED_1000)) {
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2744
		current_itr = 0;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2745
		new_itr = 4000;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2746
		goto set_itr_now;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2747
	}
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2748
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2749
	adapter->tx_itr = e1000_update_itr(adapter,
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2750
	                            adapter->tx_itr,
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2751
	                            adapter->total_tx_packets,
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2752
	                            adapter->total_tx_bytes);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2753
	/* conservative mode (itr 3) eliminates the lowest_latency setting */
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2754
	if (adapter->itr_setting == 3 && adapter->tx_itr == lowest_latency)
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2755
		adapter->tx_itr = low_latency;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2756
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2757
	adapter->rx_itr = e1000_update_itr(adapter,
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2758
	                            adapter->rx_itr,
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2759
	                            adapter->total_rx_packets,
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2760
	                            adapter->total_rx_bytes);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2761
	/* conservative mode (itr 3) eliminates the lowest_latency setting */
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2762
	if (adapter->itr_setting == 3 && adapter->rx_itr == lowest_latency)
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2763
		adapter->rx_itr = low_latency;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2764
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2765
	current_itr = max(adapter->rx_itr, adapter->tx_itr);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2766
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2767
	switch (current_itr) {
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2768
	/* counts and packets in update_itr are dependent on these numbers */
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2769
	case lowest_latency:
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2770
		new_itr = 70000;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2771
		break;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2772
	case low_latency:
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2773
		new_itr = 20000; /* aka hwitr = ~200 */
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2774
		break;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2775
	case bulk_latency:
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2776
		new_itr = 4000;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2777
		break;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2778
	default:
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2779
		break;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2780
	}
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2781
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2782
set_itr_now:
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2783
	if (new_itr != adapter->itr) {
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2784
		/* this attempts to bias the interrupt rate towards Bulk
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2785
		 * by adding intermediate steps when interrupt rate is
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2786
		 * increasing */
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2787
		new_itr = new_itr > adapter->itr ?
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2788
		             min(adapter->itr + (new_itr >> 2), new_itr) :
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2789
		             new_itr;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2790
		adapter->itr = new_itr;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2791
		ew32(ITR, 1000000000 / (new_itr * 256));
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2792
	}
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2793
}
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2794
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2795
#define E1000_TX_FLAGS_CSUM		0x00000001
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2796
#define E1000_TX_FLAGS_VLAN		0x00000002
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2797
#define E1000_TX_FLAGS_TSO		0x00000004
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2798
#define E1000_TX_FLAGS_IPV4		0x00000008
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2799
#define E1000_TX_FLAGS_NO_FCS		0x00000010
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2800
#define E1000_TX_FLAGS_VLAN_MASK	0xffff0000
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2801
#define E1000_TX_FLAGS_VLAN_SHIFT	16
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2802
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2803
static int e1000_tso(struct e1000_adapter *adapter,
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2804
		     struct e1000_tx_ring *tx_ring, struct sk_buff *skb)
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2805
{
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2806
	struct e1000_context_desc *context_desc;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2807
	struct e1000_buffer *buffer_info;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2808
	unsigned int i;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2809
	u32 cmd_length = 0;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2810
	u16 ipcse = 0, tucse, mss;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2811
	u8 ipcss, ipcso, tucss, tucso, hdr_len;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2812
	int err;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2813
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2814
	if (skb_is_gso(skb)) {
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2815
		if (skb_header_cloned(skb)) {
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2816
			err = pskb_expand_head(skb, 0, 0, GFP_ATOMIC);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2817
			if (err)
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2818
				return err;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2819
		}
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2820
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2821
		hdr_len = skb_transport_offset(skb) + tcp_hdrlen(skb);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2822
		mss = skb_shinfo(skb)->gso_size;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2823
		if (skb->protocol == htons(ETH_P_IP)) {
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2824
			struct iphdr *iph = ip_hdr(skb);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2825
			iph->tot_len = 0;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2826
			iph->check = 0;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2827
			tcp_hdr(skb)->check = ~csum_tcpudp_magic(iph->saddr,
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2828
								 iph->daddr, 0,
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2829
								 IPPROTO_TCP,
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2830
								 0);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2831
			cmd_length = E1000_TXD_CMD_IP;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2832
			ipcse = skb_transport_offset(skb) - 1;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2833
		} else if (skb->protocol == htons(ETH_P_IPV6)) {
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2834
			ipv6_hdr(skb)->payload_len = 0;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2835
			tcp_hdr(skb)->check =
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2836
				~csum_ipv6_magic(&ipv6_hdr(skb)->saddr,
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2837
						 &ipv6_hdr(skb)->daddr,
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2838
						 0, IPPROTO_TCP, 0);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2839
			ipcse = 0;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2840
		}
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2841
		ipcss = skb_network_offset(skb);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2842
		ipcso = (void *)&(ip_hdr(skb)->check) - (void *)skb->data;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2843
		tucss = skb_transport_offset(skb);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2844
		tucso = (void *)&(tcp_hdr(skb)->check) - (void *)skb->data;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2845
		tucse = 0;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2846
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2847
		cmd_length |= (E1000_TXD_CMD_DEXT | E1000_TXD_CMD_TSE |
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2848
			       E1000_TXD_CMD_TCP | (skb->len - (hdr_len)));
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2849
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2850
		i = tx_ring->next_to_use;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2851
		context_desc = E1000_CONTEXT_DESC(*tx_ring, i);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2852
		buffer_info = &tx_ring->buffer_info[i];
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2853
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2854
		context_desc->lower_setup.ip_fields.ipcss  = ipcss;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2855
		context_desc->lower_setup.ip_fields.ipcso  = ipcso;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2856
		context_desc->lower_setup.ip_fields.ipcse  = cpu_to_le16(ipcse);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2857
		context_desc->upper_setup.tcp_fields.tucss = tucss;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2858
		context_desc->upper_setup.tcp_fields.tucso = tucso;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2859
		context_desc->upper_setup.tcp_fields.tucse = cpu_to_le16(tucse);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2860
		context_desc->tcp_seg_setup.fields.mss     = cpu_to_le16(mss);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2861
		context_desc->tcp_seg_setup.fields.hdr_len = hdr_len;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2862
		context_desc->cmd_and_length = cpu_to_le32(cmd_length);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2863
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2864
		buffer_info->time_stamp = jiffies;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2865
		buffer_info->next_to_watch = i;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2866
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2867
		if (++i == tx_ring->count) i = 0;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2868
		tx_ring->next_to_use = i;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2869
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2870
		return true;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2871
	}
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2872
	return false;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2873
}
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2874
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2875
static bool e1000_tx_csum(struct e1000_adapter *adapter,
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2876
			  struct e1000_tx_ring *tx_ring, struct sk_buff *skb)
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2877
{
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2878
	struct e1000_context_desc *context_desc;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2879
	struct e1000_buffer *buffer_info;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2880
	unsigned int i;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2881
	u8 css;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2882
	u32 cmd_len = E1000_TXD_CMD_DEXT;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2883
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2884
	if (skb->ip_summed != CHECKSUM_PARTIAL)
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2885
		return false;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2886
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2887
	switch (skb->protocol) {
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2888
	case cpu_to_be16(ETH_P_IP):
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2889
		if (ip_hdr(skb)->protocol == IPPROTO_TCP)
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2890
			cmd_len |= E1000_TXD_CMD_TCP;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2891
		break;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2892
	case cpu_to_be16(ETH_P_IPV6):
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2893
		/* XXX not handling all IPV6 headers */
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2894
		if (ipv6_hdr(skb)->nexthdr == IPPROTO_TCP)
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2895
			cmd_len |= E1000_TXD_CMD_TCP;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2896
		break;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2897
	default:
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2898
		if (unlikely(net_ratelimit()))
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2899
			e_warn(drv, "checksum_partial proto=%x!\n",
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2900
			       skb->protocol);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2901
		break;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2902
	}
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2903
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2904
	css = skb_checksum_start_offset(skb);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2905
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2906
	i = tx_ring->next_to_use;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2907
	buffer_info = &tx_ring->buffer_info[i];
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2908
	context_desc = E1000_CONTEXT_DESC(*tx_ring, i);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2909
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2910
	context_desc->lower_setup.ip_config = 0;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2911
	context_desc->upper_setup.tcp_fields.tucss = css;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2912
	context_desc->upper_setup.tcp_fields.tucso =
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2913
		css + skb->csum_offset;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2914
	context_desc->upper_setup.tcp_fields.tucse = 0;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2915
	context_desc->tcp_seg_setup.data = 0;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2916
	context_desc->cmd_and_length = cpu_to_le32(cmd_len);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2917
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2918
	buffer_info->time_stamp = jiffies;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2919
	buffer_info->next_to_watch = i;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2920
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2921
	if (unlikely(++i == tx_ring->count)) i = 0;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2922
	tx_ring->next_to_use = i;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2923
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2924
	return true;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2925
}
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2926
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2927
#define E1000_MAX_TXD_PWR	12
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2928
#define E1000_MAX_DATA_PER_TXD	(1<<E1000_MAX_TXD_PWR)
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2929
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2930
static int e1000_tx_map(struct e1000_adapter *adapter,
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2931
			struct e1000_tx_ring *tx_ring,
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2932
			struct sk_buff *skb, unsigned int first,
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2933
			unsigned int max_per_txd, unsigned int nr_frags,
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2934
			unsigned int mss)
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2935
{
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2936
	struct e1000_hw *hw = &adapter->hw;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2937
	struct pci_dev *pdev = adapter->pdev;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2938
	struct e1000_buffer *buffer_info;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2939
	unsigned int len = skb_headlen(skb);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2940
	unsigned int offset = 0, size, count = 0, i;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2941
	unsigned int f, bytecount, segs;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2942
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2943
	i = tx_ring->next_to_use;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2944
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2945
	while (len) {
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2946
		buffer_info = &tx_ring->buffer_info[i];
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2947
		size = min(len, max_per_txd);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2948
		/* Workaround for Controller erratum --
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2949
		 * descriptor for non-tso packet in a linear SKB that follows a
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2950
		 * tso gets written back prematurely before the data is fully
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2951
		 * DMA'd to the controller */
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2952
		if (!skb->data_len && tx_ring->last_tx_tso &&
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2953
		    !skb_is_gso(skb)) {
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2954
			tx_ring->last_tx_tso = false;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2955
			size -= 4;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2956
		}
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2957
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2958
		/* Workaround for premature desc write-backs
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2959
		 * in TSO mode.  Append 4-byte sentinel desc */
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2960
		if (unlikely(mss && !nr_frags && size == len && size > 8))
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2961
			size -= 4;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2962
		/* work-around for errata 10 and it applies
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2963
		 * to all controllers in PCI-X mode
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2964
		 * The fix is to make sure that the first descriptor of a
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2965
		 * packet is smaller than 2048 - 16 - 16 (or 2016) bytes
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2966
		 */
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2967
		if (unlikely((hw->bus_type == e1000_bus_type_pcix) &&
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2968
		                (size > 2015) && count == 0))
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2969
		        size = 2015;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2970
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2971
		/* Workaround for potential 82544 hang in PCI-X.  Avoid
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2972
		 * terminating buffers within evenly-aligned dwords. */
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2973
		if (unlikely(adapter->pcix_82544 &&
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2974
		   !((unsigned long)(skb->data + offset + size - 1) & 4) &&
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2975
		   size > 4))
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2976
			size -= 4;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2977
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2978
		buffer_info->length = size;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2979
		/* set time_stamp *before* dma to help avoid a possible race */
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2980
		buffer_info->time_stamp = jiffies;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2981
		buffer_info->mapped_as_page = false;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2982
		buffer_info->dma = dma_map_single(&pdev->dev,
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2983
						  skb->data + offset,
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2984
						  size,	DMA_TO_DEVICE);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2985
		if (dma_mapping_error(&pdev->dev, buffer_info->dma))
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2986
			goto dma_error;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2987
		buffer_info->next_to_watch = i;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2988
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2989
		len -= size;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2990
		offset += size;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2991
		count++;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2992
		if (len) {
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2993
			i++;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2994
			if (unlikely(i == tx_ring->count))
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2995
				i = 0;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2996
		}
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2997
	}
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2998
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2999
	for (f = 0; f < nr_frags; f++) {
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3000
		const struct skb_frag_struct *frag;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3001
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3002
		frag = &skb_shinfo(skb)->frags[f];
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3003
		len = skb_frag_size(frag);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3004
		offset = 0;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3005
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3006
		while (len) {
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3007
			unsigned long bufend;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3008
			i++;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3009
			if (unlikely(i == tx_ring->count))
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3010
				i = 0;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3011
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3012
			buffer_info = &tx_ring->buffer_info[i];
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3013
			size = min(len, max_per_txd);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3014
			/* Workaround for premature desc write-backs
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3015
			 * in TSO mode.  Append 4-byte sentinel desc */
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3016
			if (unlikely(mss && f == (nr_frags-1) && size == len && size > 8))
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3017
				size -= 4;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3018
			/* Workaround for potential 82544 hang in PCI-X.
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3019
			 * Avoid terminating buffers within evenly-aligned
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3020
			 * dwords. */
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3021
			bufend = (unsigned long)
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3022
				page_to_phys(skb_frag_page(frag));
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3023
			bufend += offset + size - 1;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3024
			if (unlikely(adapter->pcix_82544 &&
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3025
				     !(bufend & 4) &&
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3026
				     size > 4))
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3027
				size -= 4;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3028
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3029
			buffer_info->length = size;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3030
			buffer_info->time_stamp = jiffies;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3031
			buffer_info->mapped_as_page = true;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3032
			buffer_info->dma = skb_frag_dma_map(&pdev->dev, frag,
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3033
						offset, size, DMA_TO_DEVICE);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3034
			if (dma_mapping_error(&pdev->dev, buffer_info->dma))
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3035
				goto dma_error;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3036
			buffer_info->next_to_watch = i;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3037
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3038
			len -= size;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3039
			offset += size;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3040
			count++;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3041
		}
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3042
	}
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3043
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3044
	segs = skb_shinfo(skb)->gso_segs ?: 1;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3045
	/* multiply data chunks by size of headers */
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3046
	bytecount = ((segs - 1) * skb_headlen(skb)) + skb->len;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3047
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3048
	tx_ring->buffer_info[i].skb = skb;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3049
	tx_ring->buffer_info[i].segs = segs;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3050
	tx_ring->buffer_info[i].bytecount = bytecount;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3051
	tx_ring->buffer_info[first].next_to_watch = i;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3052
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3053
	return count;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3054
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3055
dma_error:
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3056
	dev_err(&pdev->dev, "TX DMA map failed\n");
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3057
	buffer_info->dma = 0;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3058
	if (count)
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3059
		count--;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3060
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3061
	while (count--) {
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3062
		if (i==0)
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3063
			i += tx_ring->count;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3064
		i--;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3065
		buffer_info = &tx_ring->buffer_info[i];
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3066
		e1000_unmap_and_free_tx_resource(adapter, buffer_info);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3067
	}
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3068
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3069
	return 0;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3070
}
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3071
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3072
static void e1000_tx_queue(struct e1000_adapter *adapter,
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3073
			   struct e1000_tx_ring *tx_ring, int tx_flags,
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3074
			   int count)
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3075
{
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3076
	struct e1000_hw *hw = &adapter->hw;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3077
	struct e1000_tx_desc *tx_desc = NULL;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3078
	struct e1000_buffer *buffer_info;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3079
	u32 txd_upper = 0, txd_lower = E1000_TXD_CMD_IFCS;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3080
	unsigned int i;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3081
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3082
	if (likely(tx_flags & E1000_TX_FLAGS_TSO)) {
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3083
		txd_lower |= E1000_TXD_CMD_DEXT | E1000_TXD_DTYP_D |
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3084
		             E1000_TXD_CMD_TSE;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3085
		txd_upper |= E1000_TXD_POPTS_TXSM << 8;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3086
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3087
		if (likely(tx_flags & E1000_TX_FLAGS_IPV4))
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3088
			txd_upper |= E1000_TXD_POPTS_IXSM << 8;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3089
	}
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3090
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3091
	if (likely(tx_flags & E1000_TX_FLAGS_CSUM)) {
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3092
		txd_lower |= E1000_TXD_CMD_DEXT | E1000_TXD_DTYP_D;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3093
		txd_upper |= E1000_TXD_POPTS_TXSM << 8;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3094
	}
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3095
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3096
	if (unlikely(tx_flags & E1000_TX_FLAGS_VLAN)) {
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3097
		txd_lower |= E1000_TXD_CMD_VLE;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3098
		txd_upper |= (tx_flags & E1000_TX_FLAGS_VLAN_MASK);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3099
	}
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3100
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3101
	if (unlikely(tx_flags & E1000_TX_FLAGS_NO_FCS))
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3102
		txd_lower &= ~(E1000_TXD_CMD_IFCS);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3103
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3104
	i = tx_ring->next_to_use;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3105
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3106
	while (count--) {
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3107
		buffer_info = &tx_ring->buffer_info[i];
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3108
		tx_desc = E1000_TX_DESC(*tx_ring, i);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3109
		tx_desc->buffer_addr = cpu_to_le64(buffer_info->dma);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3110
		tx_desc->lower.data =
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3111
			cpu_to_le32(txd_lower | buffer_info->length);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3112
		tx_desc->upper.data = cpu_to_le32(txd_upper);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3113
		if (unlikely(++i == tx_ring->count)) i = 0;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3114
	}
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3115
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3116
	tx_desc->lower.data |= cpu_to_le32(adapter->txd_cmd);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3117
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3118
	/* txd_cmd re-enables FCS, so we'll re-disable it here as desired. */
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3119
	if (unlikely(tx_flags & E1000_TX_FLAGS_NO_FCS))
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3120
		tx_desc->lower.data &= ~(cpu_to_le32(E1000_TXD_CMD_IFCS));
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3121
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3122
	/* Force memory writes to complete before letting h/w
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3123
	 * know there are new descriptors to fetch.  (Only
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3124
	 * applicable for weak-ordered memory model archs,
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3125
	 * such as IA-64). */
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3126
	wmb();
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3127
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3128
	tx_ring->next_to_use = i;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3129
	writel(i, hw->hw_addr + tx_ring->tdt);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3130
	/* we need this if more than one processor can write to our tail
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3131
	 * at a time, it syncronizes IO on IA64/Altix systems */
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3132
	mmiowb();
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3133
}
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3134
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3135
/* 82547 workaround to avoid controller hang in half-duplex environment.
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3136
 * The workaround is to avoid queuing a large packet that would span
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3137
 * the internal Tx FIFO ring boundary by notifying the stack to resend
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3138
 * the packet at a later time.  This gives the Tx FIFO an opportunity to
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3139
 * flush all packets.  When that occurs, we reset the Tx FIFO pointers
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3140
 * to the beginning of the Tx FIFO.
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3141
 */
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3142
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3143
#define E1000_FIFO_HDR			0x10
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3144
#define E1000_82547_PAD_LEN		0x3E0
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3145
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3146
static int e1000_82547_fifo_workaround(struct e1000_adapter *adapter,
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3147
				       struct sk_buff *skb)
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3148
{
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3149
	u32 fifo_space = adapter->tx_fifo_size - adapter->tx_fifo_head;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3150
	u32 skb_fifo_len = skb->len + E1000_FIFO_HDR;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3151
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3152
	skb_fifo_len = ALIGN(skb_fifo_len, E1000_FIFO_HDR);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3153
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3154
	if (adapter->link_duplex != HALF_DUPLEX)
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3155
		goto no_fifo_stall_required;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3156
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3157
	if (atomic_read(&adapter->tx_fifo_stall))
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3158
		return 1;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3159
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3160
	if (skb_fifo_len >= (E1000_82547_PAD_LEN + fifo_space)) {
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3161
		atomic_set(&adapter->tx_fifo_stall, 1);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3162
		return 1;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3163
	}
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3164
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3165
no_fifo_stall_required:
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3166
	adapter->tx_fifo_head += skb_fifo_len;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3167
	if (adapter->tx_fifo_head >= adapter->tx_fifo_size)
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3168
		adapter->tx_fifo_head -= adapter->tx_fifo_size;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3169
	return 0;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3170
}
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3171
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3172
static int __e1000_maybe_stop_tx(struct net_device *netdev, int size)
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3173
{
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3174
	struct e1000_adapter *adapter = netdev_priv(netdev);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3175
	struct e1000_tx_ring *tx_ring = adapter->tx_ring;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3176
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3177
	if (adapter->ecdev) {
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3178
		return -EBUSY;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3179
	}
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3180
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3181
	netif_stop_queue(netdev);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3182
	/* Herbert's original patch had:
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3183
	 *  smp_mb__after_netif_stop_queue();
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3184
	 * but since that doesn't exist yet, just open code it. */
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3185
	smp_mb();
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3186
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3187
	/* We need to check again in a case another CPU has just
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3188
	 * made room available. */
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3189
	if (likely(E1000_DESC_UNUSED(tx_ring) < size))
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3190
		return -EBUSY;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3191
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3192
	/* A reprieve! */
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3193
	netif_start_queue(netdev);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3194
	++adapter->restart_queue;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3195
	return 0;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3196
}
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3197
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3198
static int e1000_maybe_stop_tx(struct net_device *netdev,
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3199
                               struct e1000_tx_ring *tx_ring, int size)
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3200
{
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3201
	if (likely(E1000_DESC_UNUSED(tx_ring) >= size))
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3202
		return 0;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3203
	return __e1000_maybe_stop_tx(netdev, size);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3204
}
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3205
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3206
#define TXD_USE_COUNT(S, X) (((S) >> (X)) + 1 )
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3207
static netdev_tx_t e1000_xmit_frame(struct sk_buff *skb,
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3208
				    struct net_device *netdev)
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3209
{
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3210
	struct e1000_adapter *adapter = netdev_priv(netdev);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3211
	struct e1000_hw *hw = &adapter->hw;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3212
	struct e1000_tx_ring *tx_ring;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3213
	unsigned int first, max_per_txd = E1000_MAX_DATA_PER_TXD;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3214
	unsigned int max_txd_pwr = E1000_MAX_TXD_PWR;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3215
	unsigned int tx_flags = 0;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3216
	unsigned int len = skb_headlen(skb);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3217
	unsigned int nr_frags;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3218
	unsigned int mss;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3219
	int count = 0;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3220
	int tso;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3221
	unsigned int f;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3222
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3223
	/* This goes back to the question of how to logically map a tx queue
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3224
	 * to a flow.  Right now, performance is impacted slightly negatively
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3225
	 * if using multiple tx queues.  If the stack breaks away from a
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3226
	 * single qdisc implementation, we can look at this again. */
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3227
	tx_ring = adapter->tx_ring;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3228
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3229
	if (unlikely(skb->len <= 0)) {
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3230
		if (!adapter->ecdev) {
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3231
			dev_kfree_skb_any(skb);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3232
		}
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3233
		return NETDEV_TX_OK;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3234
	}
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3235
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3236
	/* On PCI/PCI-X HW, if packet size is less than ETH_ZLEN,
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3237
	 * packets may get corrupted during padding by HW.
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3238
	 * To WA this issue, pad all small packets manually.
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3239
	 */
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3240
	if (skb->len < ETH_ZLEN) {
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3241
		if (skb_pad(skb, ETH_ZLEN - skb->len))
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3242
			return NETDEV_TX_OK;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3243
		skb->len = ETH_ZLEN;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3244
		skb_set_tail_pointer(skb, ETH_ZLEN);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3245
	}
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3246
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3247
	mss = skb_shinfo(skb)->gso_size;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3248
	/* The controller does a simple calculation to
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3249
	 * make sure there is enough room in the FIFO before
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3250
	 * initiating the DMA for each buffer.  The calc is:
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3251
	 * 4 = ceil(buffer len/mss).  To make sure we don't
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3252
	 * overrun the FIFO, adjust the max buffer len if mss
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3253
	 * drops. */
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3254
	if (mss) {
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3255
		u8 hdr_len;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3256
		max_per_txd = min(mss << 2, max_per_txd);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3257
		max_txd_pwr = fls(max_per_txd) - 1;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3258
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3259
		hdr_len = skb_transport_offset(skb) + tcp_hdrlen(skb);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3260
		if (skb->data_len && hdr_len == len) {
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3261
			switch (hw->mac_type) {
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3262
				unsigned int pull_size;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3263
			case e1000_82544:
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3264
				/* Make sure we have room to chop off 4 bytes,
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3265
				 * and that the end alignment will work out to
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3266
				 * this hardware's requirements
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3267
				 * NOTE: this is a TSO only workaround
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3268
				 * if end byte alignment not correct move us
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3269
				 * into the next dword */
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3270
				if ((unsigned long)(skb_tail_pointer(skb) - 1) & 4)
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3271
					break;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3272
				/* fall through */
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3273
				pull_size = min((unsigned int)4, skb->data_len);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3274
				if (!__pskb_pull_tail(skb, pull_size)) {
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3275
					e_err(drv, "__pskb_pull_tail "
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3276
					      "failed.\n");
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3277
					if (!adapter->ecdev) {
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3278
						dev_kfree_skb_any(skb);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3279
					}
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3280
					return NETDEV_TX_OK;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3281
				}
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3282
				len = skb_headlen(skb);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3283
				break;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3284
			default:
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3285
				/* do nothing */
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3286
				break;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3287
			}
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3288
		}
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3289
	}
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3290
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3291
	/* reserve a descriptor for the offload context */
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3292
	if ((mss) || (skb->ip_summed == CHECKSUM_PARTIAL))
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3293
		count++;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3294
	count++;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3295
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3296
	/* Controller Erratum workaround */
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3297
	if (!skb->data_len && tx_ring->last_tx_tso && !skb_is_gso(skb))
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3298
		count++;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3299
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3300
	count += TXD_USE_COUNT(len, max_txd_pwr);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3301
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3302
	if (adapter->pcix_82544)
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3303
		count++;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3304
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3305
	/* work-around for errata 10 and it applies to all controllers
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3306
	 * in PCI-X mode, so add one more descriptor to the count
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3307
	 */
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3308
	if (unlikely((hw->bus_type == e1000_bus_type_pcix) &&
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3309
			(len > 2015)))
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3310
		count++;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3311
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3312
	nr_frags = skb_shinfo(skb)->nr_frags;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3313
	for (f = 0; f < nr_frags; f++)
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3314
		count += TXD_USE_COUNT(skb_frag_size(&skb_shinfo(skb)->frags[f]),
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3315
				       max_txd_pwr);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3316
	if (adapter->pcix_82544)
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3317
		count += nr_frags;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3318
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3319
	/* need: count + 2 desc gap to keep tail from touching
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3320
	 * head, otherwise try next time */
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3321
	if (unlikely(e1000_maybe_stop_tx(netdev, tx_ring, count + 2)))
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3322
		return NETDEV_TX_BUSY;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3323
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3324
	if (unlikely((hw->mac_type == e1000_82547) &&
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3325
		     (e1000_82547_fifo_workaround(adapter, skb)))) {
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3326
		if (!adapter->ecdev) {
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3327
			netif_stop_queue(netdev);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3328
			if (!test_bit(__E1000_DOWN, &adapter->flags))
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3329
				schedule_delayed_work(&adapter->fifo_stall_task, 1);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3330
		}
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3331
		return NETDEV_TX_BUSY;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3332
	}
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3333
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3334
	if (vlan_tx_tag_present(skb)) {
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3335
		tx_flags |= E1000_TX_FLAGS_VLAN;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3336
		tx_flags |= (vlan_tx_tag_get(skb) << E1000_TX_FLAGS_VLAN_SHIFT);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3337
	}
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3338
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3339
	first = tx_ring->next_to_use;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3340
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3341
	tso = e1000_tso(adapter, tx_ring, skb);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3342
	if (tso < 0) {
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3343
		if (!adapter->ecdev) {
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3344
			dev_kfree_skb_any(skb);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3345
		}
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3346
		return NETDEV_TX_OK;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3347
	}
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3348
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3349
	if (likely(tso)) {
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3350
		if (likely(hw->mac_type != e1000_82544))
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3351
			tx_ring->last_tx_tso = true;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3352
		tx_flags |= E1000_TX_FLAGS_TSO;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3353
	} else if (likely(e1000_tx_csum(adapter, tx_ring, skb)))
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3354
		tx_flags |= E1000_TX_FLAGS_CSUM;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3355
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3356
	if (likely(skb->protocol == htons(ETH_P_IP)))
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3357
		tx_flags |= E1000_TX_FLAGS_IPV4;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3358
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3359
	if (unlikely(skb->no_fcs))
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3360
		tx_flags |= E1000_TX_FLAGS_NO_FCS;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3361
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3362
	count = e1000_tx_map(adapter, tx_ring, skb, first, max_per_txd,
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3363
	                     nr_frags, mss);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3364
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3365
	if (count) {
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3366
		skb_tx_timestamp(skb);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3367
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3368
		e1000_tx_queue(adapter, tx_ring, tx_flags, count);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3369
		if (!adapter->ecdev) {
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3370
			/* Make sure there is space in the ring for the next send. */
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3371
			e1000_maybe_stop_tx(netdev, tx_ring, MAX_SKB_FRAGS + 2);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3372
		}
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3373
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3374
	} else {
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3375
		if (!adapter->ecdev) {
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3376
			dev_kfree_skb_any(skb);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3377
		}
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3378
		tx_ring->buffer_info[first].time_stamp = 0;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3379
		tx_ring->next_to_use = first;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3380
	}
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3381
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3382
	return NETDEV_TX_OK;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3383
}
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3384
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3385
#define NUM_REGS 38 /* 1 based count */
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3386
static void e1000_regdump(struct e1000_adapter *adapter)
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3387
{
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3388
	struct e1000_hw *hw = &adapter->hw;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3389
	u32 regs[NUM_REGS];
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3390
	u32 *regs_buff = regs;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3391
	int i = 0;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3392
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3393
	static const char * const reg_name[] = {
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3394
		"CTRL",  "STATUS",
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3395
		"RCTL", "RDLEN", "RDH", "RDT", "RDTR",
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3396
		"TCTL", "TDBAL", "TDBAH", "TDLEN", "TDH", "TDT",
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3397
		"TIDV", "TXDCTL", "TADV", "TARC0",
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3398
		"TDBAL1", "TDBAH1", "TDLEN1", "TDH1", "TDT1",
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3399
		"TXDCTL1", "TARC1",
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3400
		"CTRL_EXT", "ERT", "RDBAL", "RDBAH",
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3401
		"TDFH", "TDFT", "TDFHS", "TDFTS", "TDFPC",
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3402
		"RDFH", "RDFT", "RDFHS", "RDFTS", "RDFPC"
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3403
	};
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3404
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3405
	regs_buff[0]  = er32(CTRL);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3406
	regs_buff[1]  = er32(STATUS);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3407
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3408
	regs_buff[2]  = er32(RCTL);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3409
	regs_buff[3]  = er32(RDLEN);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3410
	regs_buff[4]  = er32(RDH);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3411
	regs_buff[5]  = er32(RDT);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3412
	regs_buff[6]  = er32(RDTR);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3413
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3414
	regs_buff[7]  = er32(TCTL);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3415
	regs_buff[8]  = er32(TDBAL);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3416
	regs_buff[9]  = er32(TDBAH);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3417
	regs_buff[10] = er32(TDLEN);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3418
	regs_buff[11] = er32(TDH);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3419
	regs_buff[12] = er32(TDT);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3420
	regs_buff[13] = er32(TIDV);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3421
	regs_buff[14] = er32(TXDCTL);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3422
	regs_buff[15] = er32(TADV);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3423
	regs_buff[16] = er32(TARC0);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3424
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3425
	regs_buff[17] = er32(TDBAL1);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3426
	regs_buff[18] = er32(TDBAH1);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3427
	regs_buff[19] = er32(TDLEN1);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3428
	regs_buff[20] = er32(TDH1);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3429
	regs_buff[21] = er32(TDT1);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3430
	regs_buff[22] = er32(TXDCTL1);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3431
	regs_buff[23] = er32(TARC1);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3432
	regs_buff[24] = er32(CTRL_EXT);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3433
	regs_buff[25] = er32(ERT);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3434
	regs_buff[26] = er32(RDBAL0);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3435
	regs_buff[27] = er32(RDBAH0);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3436
	regs_buff[28] = er32(TDFH);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3437
	regs_buff[29] = er32(TDFT);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3438
	regs_buff[30] = er32(TDFHS);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3439
	regs_buff[31] = er32(TDFTS);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3440
	regs_buff[32] = er32(TDFPC);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3441
	regs_buff[33] = er32(RDFH);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3442
	regs_buff[34] = er32(RDFT);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3443
	regs_buff[35] = er32(RDFHS);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3444
	regs_buff[36] = er32(RDFTS);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3445
	regs_buff[37] = er32(RDFPC);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3446
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3447
	pr_info("Register dump\n");
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3448
	for (i = 0; i < NUM_REGS; i++)
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3449
		pr_info("%-15s  %08x\n", reg_name[i], regs_buff[i]);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3450
}
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3451
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3452
/*
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3453
 * e1000_dump: Print registers, tx ring and rx ring
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3454
 */
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3455
static void e1000_dump(struct e1000_adapter *adapter)
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3456
{
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3457
	/* this code doesn't handle multiple rings */
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3458
	struct e1000_tx_ring *tx_ring = adapter->tx_ring;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3459
	struct e1000_rx_ring *rx_ring = adapter->rx_ring;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3460
	int i;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3461
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3462
	if (!netif_msg_hw(adapter))
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3463
		return;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3464
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3465
	/* Print Registers */
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3466
	e1000_regdump(adapter);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3467
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3468
	/*
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3469
	 * transmit dump
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3470
	 */
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3471
	pr_info("TX Desc ring0 dump\n");
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3472
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3473
	/* Transmit Descriptor Formats - DEXT[29] is 0 (Legacy) or 1 (Extended)
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3474
	 *
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3475
	 * Legacy Transmit Descriptor
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3476
	 *   +--------------------------------------------------------------+
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3477
	 * 0 |         Buffer Address [63:0] (Reserved on Write Back)       |
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3478
	 *   +--------------------------------------------------------------+
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3479
	 * 8 | Special  |    CSS     | Status |  CMD    |  CSO   |  Length  |
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3480
	 *   +--------------------------------------------------------------+
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3481
	 *   63       48 47        36 35    32 31     24 23    16 15        0
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3482
	 *
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3483
	 * Extended Context Descriptor (DTYP=0x0) for TSO or checksum offload
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3484
	 *   63      48 47    40 39       32 31             16 15    8 7      0
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3485
	 *   +----------------------------------------------------------------+
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3486
	 * 0 |  TUCSE  | TUCS0  |   TUCSS   |     IPCSE       | IPCS0 | IPCSS |
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3487
	 *   +----------------------------------------------------------------+
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3488
	 * 8 |   MSS   | HDRLEN | RSV | STA | TUCMD | DTYP |      PAYLEN      |
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3489
	 *   +----------------------------------------------------------------+
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3490
	 *   63      48 47    40 39 36 35 32 31   24 23  20 19                0
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3491
	 *
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3492
	 * Extended Data Descriptor (DTYP=0x1)
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3493
	 *   +----------------------------------------------------------------+
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3494
	 * 0 |                     Buffer Address [63:0]                      |
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3495
	 *   +----------------------------------------------------------------+
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3496
	 * 8 | VLAN tag |  POPTS  | Rsvd | Status | Command | DTYP |  DTALEN  |
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3497
	 *   +----------------------------------------------------------------+
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3498
	 *   63       48 47     40 39  36 35    32 31     24 23  20 19        0
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3499
	 */
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3500
	pr_info("Tc[desc]     [Ce CoCsIpceCoS] [MssHlRSCm0Plen] [bi->dma       ] leng  ntw timestmp         bi->skb\n");
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3501
	pr_info("Td[desc]     [address 63:0  ] [VlaPoRSCm1Dlen] [bi->dma       ] leng  ntw timestmp         bi->skb\n");
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3502
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3503
	if (!netif_msg_tx_done(adapter))
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3504
		goto rx_ring_summary;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3505
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3506
	for (i = 0; tx_ring->desc && (i < tx_ring->count); i++) {
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3507
		struct e1000_tx_desc *tx_desc = E1000_TX_DESC(*tx_ring, i);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3508
		struct e1000_buffer *buffer_info = &tx_ring->buffer_info[i];
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3509
		struct my_u { __le64 a; __le64 b; };
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3510
		struct my_u *u = (struct my_u *)tx_desc;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3511
		const char *type;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3512
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3513
		if (i == tx_ring->next_to_use && i == tx_ring->next_to_clean)
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3514
			type = "NTC/U";
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3515
		else if (i == tx_ring->next_to_use)
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3516
			type = "NTU";
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3517
		else if (i == tx_ring->next_to_clean)
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3518
			type = "NTC";
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3519
		else
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3520
			type = "";
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3521
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3522
		pr_info("T%c[0x%03X]    %016llX %016llX %016llX %04X  %3X %016llX %p %s\n",
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3523
			((le64_to_cpu(u->b) & (1<<20)) ? 'd' : 'c'), i,
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3524
			le64_to_cpu(u->a), le64_to_cpu(u->b),
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3525
			(u64)buffer_info->dma, buffer_info->length,
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3526
			buffer_info->next_to_watch,
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3527
			(u64)buffer_info->time_stamp, buffer_info->skb, type);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3528
	}
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3529
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3530
rx_ring_summary:
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3531
	/*
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3532
	 * receive dump
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3533
	 */
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3534
	pr_info("\nRX Desc ring dump\n");
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3535
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3536
	/* Legacy Receive Descriptor Format
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3537
	 *
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3538
	 * +-----------------------------------------------------+
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3539
	 * |                Buffer Address [63:0]                |
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3540
	 * +-----------------------------------------------------+
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3541
	 * | VLAN Tag | Errors | Status 0 | Packet csum | Length |
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3542
	 * +-----------------------------------------------------+
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3543
	 * 63       48 47    40 39      32 31         16 15      0
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3544
	 */
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3545
	pr_info("R[desc]      [address 63:0  ] [vl er S cks ln] [bi->dma       ] [bi->skb]\n");
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3546
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3547
	if (!netif_msg_rx_status(adapter))
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3548
		goto exit;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3549
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3550
	for (i = 0; rx_ring->desc && (i < rx_ring->count); i++) {
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3551
		struct e1000_rx_desc *rx_desc = E1000_RX_DESC(*rx_ring, i);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3552
		struct e1000_buffer *buffer_info = &rx_ring->buffer_info[i];
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3553
		struct my_u { __le64 a; __le64 b; };
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3554
		struct my_u *u = (struct my_u *)rx_desc;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3555
		const char *type;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3556
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3557
		if (i == rx_ring->next_to_use)
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3558
			type = "NTU";
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3559
		else if (i == rx_ring->next_to_clean)
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3560
			type = "NTC";
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3561
		else
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3562
			type = "";
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3563
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3564
		pr_info("R[0x%03X]     %016llX %016llX %016llX %p %s\n",
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3565
			i, le64_to_cpu(u->a), le64_to_cpu(u->b),
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3566
			(u64)buffer_info->dma, buffer_info->skb, type);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3567
	} /* for */
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3568
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3569
	/* dump the descriptor caches */
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3570
	/* rx */
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3571
	pr_info("Rx descriptor cache in 64bit format\n");
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3572
	for (i = 0x6000; i <= 0x63FF ; i += 0x10) {
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3573
		pr_info("R%04X: %08X|%08X %08X|%08X\n",
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3574
			i,
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3575
			readl(adapter->hw.hw_addr + i+4),
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3576
			readl(adapter->hw.hw_addr + i),
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3577
			readl(adapter->hw.hw_addr + i+12),
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3578
			readl(adapter->hw.hw_addr + i+8));
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3579
	}
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3580
	/* tx */
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3581
	pr_info("Tx descriptor cache in 64bit format\n");
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3582
	for (i = 0x7000; i <= 0x73FF ; i += 0x10) {
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3583
		pr_info("T%04X: %08X|%08X %08X|%08X\n",
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3584
			i,
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3585
			readl(adapter->hw.hw_addr + i+4),
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3586
			readl(adapter->hw.hw_addr + i),
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3587
			readl(adapter->hw.hw_addr + i+12),
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3588
			readl(adapter->hw.hw_addr + i+8));
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3589
	}
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3590
exit:
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3591
	return;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3592
}
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3593
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3594
/**
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3595
 * e1000_tx_timeout - Respond to a Tx Hang
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3596
 * @netdev: network interface device structure
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3597
 **/
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3598
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3599
static void e1000_tx_timeout(struct net_device *netdev)
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3600
{
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3601
	struct e1000_adapter *adapter = netdev_priv(netdev);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3602
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3603
	/* Do the reset outside of interrupt context */
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3604
	adapter->tx_timeout_count++;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3605
	schedule_work(&adapter->reset_task);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3606
}
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3607
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3608
static void e1000_reset_task(struct work_struct *work)
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3609
{
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3610
	struct e1000_adapter *adapter =
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3611
		container_of(work, struct e1000_adapter, reset_task);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3612
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3613
	if (test_bit(__E1000_DOWN, &adapter->flags))
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3614
		return;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3615
	e_err(drv, "Reset adapter\n");
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3616
	e1000_reinit_safe(adapter);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3617
}
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3618
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3619
/**
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3620
 * e1000_get_stats - Get System Network Statistics
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3621
 * @netdev: network interface device structure
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3622
 *
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3623
 * Returns the address of the device statistics structure.
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3624
 * The statistics are actually updated from the watchdog.
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3625
 **/
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3626
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3627
static struct net_device_stats *e1000_get_stats(struct net_device *netdev)
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3628
{
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3629
	/* only return the current stats */
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3630
	return &netdev->stats;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3631
}
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3632
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3633
/**
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3634
 * e1000_change_mtu - Change the Maximum Transfer Unit
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3635
 * @netdev: network interface device structure
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3636
 * @new_mtu: new value for maximum frame size
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3637
 *
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3638
 * Returns 0 on success, negative on failure
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3639
 **/
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3640
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3641
static int e1000_change_mtu(struct net_device *netdev, int new_mtu)
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3642
{
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3643
	struct e1000_adapter *adapter = netdev_priv(netdev);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3644
	struct e1000_hw *hw = &adapter->hw;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3645
	int max_frame = new_mtu + ENET_HEADER_SIZE + ETHERNET_FCS_SIZE;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3646
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3647
	if (adapter->ecdev) {
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3648
		return -EBUSY;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3649
	}
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3650
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3651
	if ((max_frame < MINIMUM_ETHERNET_FRAME_SIZE) ||
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3652
	    (max_frame > MAX_JUMBO_FRAME_SIZE)) {
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3653
		e_err(probe, "Invalid MTU setting\n");
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3654
		return -EINVAL;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3655
	}
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3656
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3657
	/* Adapter-specific max frame size limits. */
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3658
	switch (hw->mac_type) {
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3659
	case e1000_undefined ... e1000_82542_rev2_1:
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3660
		if (max_frame > (ETH_FRAME_LEN + ETH_FCS_LEN)) {
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3661
			e_err(probe, "Jumbo Frames not supported.\n");
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3662
			return -EINVAL;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3663
		}
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3664
		break;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3665
	default:
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3666
		/* Capable of supporting up to MAX_JUMBO_FRAME_SIZE limit. */
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3667
		break;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3668
	}
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3669
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3670
	while (test_and_set_bit(__E1000_RESETTING, &adapter->flags))
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3671
		msleep(1);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3672
	/* e1000_down has a dependency on max_frame_size */
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3673
	hw->max_frame_size = max_frame;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3674
	if (netif_running(netdev))
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3675
		e1000_down(adapter);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3676
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3677
	/* NOTE: netdev_alloc_skb reserves 16 bytes, and typically NET_IP_ALIGN
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3678
	 * means we reserve 2 more, this pushes us to allocate from the next
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3679
	 * larger slab size.
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3680
	 * i.e. RXBUFFER_2048 --> size-4096 slab
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3681
	 *  however with the new *_jumbo_rx* routines, jumbo receives will use
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3682
	 *  fragmented skbs */
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3683
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3684
	if (max_frame <= E1000_RXBUFFER_2048)
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3685
		adapter->rx_buffer_len = E1000_RXBUFFER_2048;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3686
	else
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3687
#if (PAGE_SIZE >= E1000_RXBUFFER_16384)
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3688
		adapter->rx_buffer_len = E1000_RXBUFFER_16384;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3689
#elif (PAGE_SIZE >= E1000_RXBUFFER_4096)
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3690
		adapter->rx_buffer_len = PAGE_SIZE;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3691
#endif
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3692
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3693
	/* adjust allocation if LPE protects us, and we aren't using SBP */
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3694
	if (!hw->tbi_compatibility_on &&
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3695
	    ((max_frame == (ETH_FRAME_LEN + ETH_FCS_LEN)) ||
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3696
	     (max_frame == MAXIMUM_ETHERNET_VLAN_SIZE)))
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3697
		adapter->rx_buffer_len = MAXIMUM_ETHERNET_VLAN_SIZE;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3698
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3699
	pr_info("%s changing MTU from %d to %d\n",
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3700
		netdev->name, netdev->mtu, new_mtu);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3701
	netdev->mtu = new_mtu;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3702
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3703
	if (netif_running(netdev))
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3704
		e1000_up(adapter);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3705
	else
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3706
		e1000_reset(adapter);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3707
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3708
	clear_bit(__E1000_RESETTING, &adapter->flags);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3709
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3710
	return 0;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3711
}
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3712
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3713
/**
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3714
 * e1000_update_stats - Update the board statistics counters
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3715
 * @adapter: board private structure
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3716
 **/
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3717
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3718
void e1000_update_stats(struct e1000_adapter *adapter)
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3719
{
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3720
	struct net_device *netdev = adapter->netdev;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3721
	struct e1000_hw *hw = &adapter->hw;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3722
	struct pci_dev *pdev = adapter->pdev;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3723
	unsigned long flags = 0;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3724
	u16 phy_tmp;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3725
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3726
#define PHY_IDLE_ERROR_COUNT_MASK 0x00FF
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3727
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3728
	/*
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3729
	 * Prevent stats update while adapter is being reset, or if the pci
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3730
	 * connection is down.
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3731
	 */
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3732
	if (adapter->link_speed == 0)
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3733
		return;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3734
	if (pci_channel_offline(pdev))
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3735
		return;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3736
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3737
	if (!adapter->ecdev) {
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3738
		spin_lock_irqsave(&adapter->stats_lock, flags);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3739
	}
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3740
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3741
	/* these counters are modified from e1000_tbi_adjust_stats,
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3742
	 * called from the interrupt context, so they must only
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3743
	 * be written while holding adapter->stats_lock
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3744
	 */
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3745
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3746
	adapter->stats.crcerrs += er32(CRCERRS);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3747
	adapter->stats.gprc += er32(GPRC);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3748
	adapter->stats.gorcl += er32(GORCL);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3749
	adapter->stats.gorch += er32(GORCH);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3750
	adapter->stats.bprc += er32(BPRC);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3751
	adapter->stats.mprc += er32(MPRC);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3752
	adapter->stats.roc += er32(ROC);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3753
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3754
	adapter->stats.prc64 += er32(PRC64);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3755
	adapter->stats.prc127 += er32(PRC127);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3756
	adapter->stats.prc255 += er32(PRC255);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3757
	adapter->stats.prc511 += er32(PRC511);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3758
	adapter->stats.prc1023 += er32(PRC1023);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3759
	adapter->stats.prc1522 += er32(PRC1522);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3760
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3761
	adapter->stats.symerrs += er32(SYMERRS);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3762
	adapter->stats.mpc += er32(MPC);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3763
	adapter->stats.scc += er32(SCC);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3764
	adapter->stats.ecol += er32(ECOL);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3765
	adapter->stats.mcc += er32(MCC);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3766
	adapter->stats.latecol += er32(LATECOL);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3767
	adapter->stats.dc += er32(DC);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3768
	adapter->stats.sec += er32(SEC);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3769
	adapter->stats.rlec += er32(RLEC);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3770
	adapter->stats.xonrxc += er32(XONRXC);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3771
	adapter->stats.xontxc += er32(XONTXC);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3772
	adapter->stats.xoffrxc += er32(XOFFRXC);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3773
	adapter->stats.xofftxc += er32(XOFFTXC);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3774
	adapter->stats.fcruc += er32(FCRUC);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3775
	adapter->stats.gptc += er32(GPTC);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3776
	adapter->stats.gotcl += er32(GOTCL);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3777
	adapter->stats.gotch += er32(GOTCH);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3778
	adapter->stats.rnbc += er32(RNBC);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3779
	adapter->stats.ruc += er32(RUC);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3780
	adapter->stats.rfc += er32(RFC);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3781
	adapter->stats.rjc += er32(RJC);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3782
	adapter->stats.torl += er32(TORL);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3783
	adapter->stats.torh += er32(TORH);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3784
	adapter->stats.totl += er32(TOTL);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3785
	adapter->stats.toth += er32(TOTH);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3786
	adapter->stats.tpr += er32(TPR);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3787
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3788
	adapter->stats.ptc64 += er32(PTC64);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3789
	adapter->stats.ptc127 += er32(PTC127);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3790
	adapter->stats.ptc255 += er32(PTC255);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3791
	adapter->stats.ptc511 += er32(PTC511);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3792
	adapter->stats.ptc1023 += er32(PTC1023);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3793
	adapter->stats.ptc1522 += er32(PTC1522);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3794
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3795
	adapter->stats.mptc += er32(MPTC);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3796
	adapter->stats.bptc += er32(BPTC);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3797
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3798
	/* used for adaptive IFS */
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3799
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3800
	hw->tx_packet_delta = er32(TPT);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3801
	adapter->stats.tpt += hw->tx_packet_delta;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3802
	hw->collision_delta = er32(COLC);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3803
	adapter->stats.colc += hw->collision_delta;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3804
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3805
	if (hw->mac_type >= e1000_82543) {
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3806
		adapter->stats.algnerrc += er32(ALGNERRC);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3807
		adapter->stats.rxerrc += er32(RXERRC);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3808
		adapter->stats.tncrs += er32(TNCRS);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3809
		adapter->stats.cexterr += er32(CEXTERR);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3810
		adapter->stats.tsctc += er32(TSCTC);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3811
		adapter->stats.tsctfc += er32(TSCTFC);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3812
	}
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3813
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3814
	/* Fill out the OS statistics structure */
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3815
	netdev->stats.multicast = adapter->stats.mprc;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3816
	netdev->stats.collisions = adapter->stats.colc;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3817
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3818
	/* Rx Errors */
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3819
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3820
	/* RLEC on some newer hardware can be incorrect so build
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3821
	* our own version based on RUC and ROC */
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3822
	netdev->stats.rx_errors = adapter->stats.rxerrc +
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3823
		adapter->stats.crcerrs + adapter->stats.algnerrc +
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3824
		adapter->stats.ruc + adapter->stats.roc +
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3825
		adapter->stats.cexterr;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3826
	adapter->stats.rlerrc = adapter->stats.ruc + adapter->stats.roc;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3827
	netdev->stats.rx_length_errors = adapter->stats.rlerrc;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3828
	netdev->stats.rx_crc_errors = adapter->stats.crcerrs;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3829
	netdev->stats.rx_frame_errors = adapter->stats.algnerrc;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3830
	netdev->stats.rx_missed_errors = adapter->stats.mpc;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3831
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3832
	/* Tx Errors */
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3833
	adapter->stats.txerrc = adapter->stats.ecol + adapter->stats.latecol;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3834
	netdev->stats.tx_errors = adapter->stats.txerrc;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3835
	netdev->stats.tx_aborted_errors = adapter->stats.ecol;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3836
	netdev->stats.tx_window_errors = adapter->stats.latecol;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3837
	netdev->stats.tx_carrier_errors = adapter->stats.tncrs;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3838
	if (hw->bad_tx_carr_stats_fd &&
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3839
	    adapter->link_duplex == FULL_DUPLEX) {
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3840
		netdev->stats.tx_carrier_errors = 0;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3841
		adapter->stats.tncrs = 0;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3842
	}
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3843
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3844
	/* Tx Dropped needs to be maintained elsewhere */
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3845
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3846
	/* Phy Stats */
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3847
	if (hw->media_type == e1000_media_type_copper) {
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3848
		if ((adapter->link_speed == SPEED_1000) &&
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3849
		   (!e1000_read_phy_reg(hw, PHY_1000T_STATUS, &phy_tmp))) {
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3850
			phy_tmp &= PHY_IDLE_ERROR_COUNT_MASK;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3851
			adapter->phy_stats.idle_errors += phy_tmp;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3852
		}
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3853
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3854
		if ((hw->mac_type <= e1000_82546) &&
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3855
		   (hw->phy_type == e1000_phy_m88) &&
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3856
		   !e1000_read_phy_reg(hw, M88E1000_RX_ERR_CNTR, &phy_tmp))
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3857
			adapter->phy_stats.receive_errors += phy_tmp;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3858
	}
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3859
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3860
	/* Management Stats */
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3861
	if (hw->has_smbus) {
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3862
		adapter->stats.mgptc += er32(MGTPTC);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3863
		adapter->stats.mgprc += er32(MGTPRC);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3864
		adapter->stats.mgpdc += er32(MGTPDC);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3865
	}
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3866
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3867
	if (!adapter->ecdev) {
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3868
		spin_unlock_irqrestore(&adapter->stats_lock, flags);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3869
	}
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3870
}
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3871
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3872
void ec_poll(struct net_device *netdev)
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3873
{
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3874
	struct e1000_adapter *adapter = netdev_priv(netdev);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3875
	if (jiffies - adapter->ec_watchdog_jiffies >= 2 * HZ) {
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3876
		e1000_watchdog(&adapter->watchdog_task.work);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3877
		adapter->ec_watchdog_jiffies = jiffies;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3878
	}
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3879
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3880
	e1000_intr(0, netdev);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3881
}
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3882
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3883
/**
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3884
 * e1000_intr - Interrupt Handler
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3885
 * @irq: interrupt number
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3886
 * @data: pointer to a network interface device structure
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3887
 **/
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3888
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3889
static irqreturn_t e1000_intr(int irq, void *data)
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3890
{
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3891
	struct net_device *netdev = data;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3892
	struct e1000_adapter *adapter = netdev_priv(netdev);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3893
	struct e1000_hw *hw = &adapter->hw;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3894
	u32 icr = er32(ICR);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3895
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3896
	if (unlikely((!icr)))
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3897
		return IRQ_NONE;  /* Not our interrupt */
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3898
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3899
	/*
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3900
	 * we might have caused the interrupt, but the above
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3901
	 * read cleared it, and just in case the driver is
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3902
	 * down there is nothing to do so return handled
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3903
	 */
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3904
	if (unlikely(test_bit(__E1000_DOWN, &adapter->flags)))
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3905
		return IRQ_HANDLED;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3906
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3907
	if (unlikely(icr & (E1000_ICR_RXSEQ | E1000_ICR_LSC))) {
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3908
		hw->get_link_status = 1;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3909
		/* guard against interrupt when we're going down */
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3910
		if (!adapter->ecdev && !test_bit(__E1000_DOWN, &adapter->flags))
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3911
			schedule_delayed_work(&adapter->watchdog_task, 1);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3912
	}
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3913
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3914
	if (adapter->ecdev) {
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3915
		int i, ec_work_done = 0;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3916
		for (i = 0; i < E1000_MAX_INTR; i++) {
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3917
			if (unlikely(!adapter->clean_rx(adapter, adapter->rx_ring,
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3918
							&ec_work_done, 100) &&
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3919
						!e1000_clean_tx_irq(adapter, adapter->tx_ring))) {
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3920
				break;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3921
			}
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3922
		}
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3923
 	} else {
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3924
		/* disable interrupts, without the synchronize_irq bit */
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3925
		ew32(IMC, ~0);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3926
		E1000_WRITE_FLUSH();
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3927
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3928
		if (likely(napi_schedule_prep(&adapter->napi))) {
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3929
			adapter->total_tx_bytes = 0;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3930
			adapter->total_tx_packets = 0;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3931
			adapter->total_rx_bytes = 0;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3932
			adapter->total_rx_packets = 0;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3933
			__napi_schedule(&adapter->napi);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3934
		} else {
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3935
			/* this really should not happen! if it does it is basically a
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3936
			 * bug, but not a hard error, so enable ints and continue */
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3937
			if (!test_bit(__E1000_DOWN, &adapter->flags))
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3938
				e1000_irq_enable(adapter);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3939
		}
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3940
	}
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3941
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3942
	return IRQ_HANDLED;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3943
}
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3944
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3945
/**
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3946
 * e1000_clean - NAPI Rx polling callback
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3947
 * @adapter: board private structure
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3948
 * EtherCAT: never called
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3949
 **/
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3950
static int e1000_clean(struct napi_struct *napi, int budget)
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3951
{
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3952
	struct e1000_adapter *adapter = container_of(napi, struct e1000_adapter, napi);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3953
	int tx_clean_complete = 0, work_done = 0;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3954
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3955
	tx_clean_complete = e1000_clean_tx_irq(adapter, &adapter->tx_ring[0]);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3956
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3957
	adapter->clean_rx(adapter, &adapter->rx_ring[0], &work_done, budget);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3958
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3959
	if (!tx_clean_complete)
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3960
		work_done = budget;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3961
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3962
	/* If budget not fully consumed, exit the polling mode */
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3963
	if (work_done < budget) {
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3964
		if (likely(adapter->itr_setting & 3))
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3965
			e1000_set_itr(adapter);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3966
		napi_complete(napi);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3967
		if (!test_bit(__E1000_DOWN, &adapter->flags))
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3968
			e1000_irq_enable(adapter);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3969
	}
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3970
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3971
	return work_done;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3972
}
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3973
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3974
/**
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3975
 * e1000_clean_tx_irq - Reclaim resources after transmit completes
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3976
 * @adapter: board private structure
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3977
 **/
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3978
static bool e1000_clean_tx_irq(struct e1000_adapter *adapter,
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3979
			       struct e1000_tx_ring *tx_ring)
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3980
{
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3981
	struct e1000_hw *hw = &adapter->hw;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3982
	struct net_device *netdev = adapter->netdev;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3983
	struct e1000_tx_desc *tx_desc, *eop_desc;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3984
	struct e1000_buffer *buffer_info;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3985
	unsigned int i, eop;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3986
	unsigned int count = 0;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3987
	unsigned int total_tx_bytes=0, total_tx_packets=0;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3988
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3989
	i = tx_ring->next_to_clean;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3990
	eop = tx_ring->buffer_info[i].next_to_watch;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3991
	eop_desc = E1000_TX_DESC(*tx_ring, eop);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3992
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3993
	while ((eop_desc->upper.data & cpu_to_le32(E1000_TXD_STAT_DD)) &&
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3994
	       (count < tx_ring->count)) {
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3995
		bool cleaned = false;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3996
		rmb();	/* read buffer_info after eop_desc */
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3997
		for ( ; !cleaned; count++) {
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3998
			tx_desc = E1000_TX_DESC(*tx_ring, i);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3999
			buffer_info = &tx_ring->buffer_info[i];
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4000
			cleaned = (i == eop);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4001
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4002
			if (cleaned) {
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4003
				total_tx_packets += buffer_info->segs;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4004
				total_tx_bytes += buffer_info->bytecount;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4005
			}
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4006
			e1000_unmap_and_free_tx_resource(adapter, buffer_info);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4007
			tx_desc->upper.data = 0;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4008
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4009
			if (unlikely(++i == tx_ring->count)) i = 0;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4010
		}
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4011
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4012
		eop = tx_ring->buffer_info[i].next_to_watch;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4013
		eop_desc = E1000_TX_DESC(*tx_ring, eop);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4014
	}
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4015
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4016
	tx_ring->next_to_clean = i;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4017
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4018
#define TX_WAKE_THRESHOLD 32
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4019
	if (!adapter->ecdev && unlikely(count && netif_carrier_ok(netdev) &&
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4020
		     E1000_DESC_UNUSED(tx_ring) >= TX_WAKE_THRESHOLD)) {
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4021
		/* Make sure that anybody stopping the queue after this
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4022
		 * sees the new next_to_clean.
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4023
		 */
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4024
		smp_mb();
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4025
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4026
		if (netif_queue_stopped(netdev) &&
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4027
		    !(test_bit(__E1000_DOWN, &adapter->flags))) {
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4028
			netif_wake_queue(netdev);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4029
			++adapter->restart_queue;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4030
		}
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4031
	}
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4032
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4033
	if (!adapter->ecdev && adapter->detect_tx_hung) {
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4034
		/* Detect a transmit hang in hardware, this serializes the
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4035
		 * check with the clearing of time_stamp and movement of i */
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4036
		adapter->detect_tx_hung = false;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4037
		if (tx_ring->buffer_info[eop].time_stamp &&
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4038
		    time_after(jiffies, tx_ring->buffer_info[eop].time_stamp +
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4039
		               (adapter->tx_timeout_factor * HZ)) &&
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4040
		    !(er32(STATUS) & E1000_STATUS_TXOFF)) {
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4041
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4042
			/* detected Tx unit hang */
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4043
			e_err(drv, "Detected Tx Unit Hang\n"
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4044
			      "  Tx Queue             <%lu>\n"
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4045
			      "  TDH                  <%x>\n"
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4046
			      "  TDT                  <%x>\n"
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4047
			      "  next_to_use          <%x>\n"
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4048
			      "  next_to_clean        <%x>\n"
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4049
			      "buffer_info[next_to_clean]\n"
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4050
			      "  time_stamp           <%lx>\n"
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4051
			      "  next_to_watch        <%x>\n"
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4052
			      "  jiffies              <%lx>\n"
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4053
			      "  next_to_watch.status <%x>\n",
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4054
				(unsigned long)((tx_ring - adapter->tx_ring) /
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4055
					sizeof(struct e1000_tx_ring)),
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4056
				readl(hw->hw_addr + tx_ring->tdh),
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4057
				readl(hw->hw_addr + tx_ring->tdt),
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4058
				tx_ring->next_to_use,
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4059
				tx_ring->next_to_clean,
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4060
				tx_ring->buffer_info[eop].time_stamp,
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4061
				eop,
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4062
				jiffies,
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4063
				eop_desc->upper.fields.status);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4064
			e1000_dump(adapter);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4065
			netif_stop_queue(netdev);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4066
		}
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4067
	}
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4068
	adapter->total_tx_bytes += total_tx_bytes;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4069
	adapter->total_tx_packets += total_tx_packets;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4070
	netdev->stats.tx_bytes += total_tx_bytes;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4071
	netdev->stats.tx_packets += total_tx_packets;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4072
	return count < tx_ring->count;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4073
}
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4074
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4075
/**
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4076
 * e1000_rx_checksum - Receive Checksum Offload for 82543
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4077
 * @adapter:     board private structure
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4078
 * @status_err:  receive descriptor status and error fields
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4079
 * @csum:        receive descriptor csum field
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4080
 * @sk_buff:     socket buffer with received data
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4081
 **/
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4082
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4083
static void e1000_rx_checksum(struct e1000_adapter *adapter, u32 status_err,
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4084
			      u32 csum, struct sk_buff *skb)
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4085
{
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4086
	struct e1000_hw *hw = &adapter->hw;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4087
	u16 status = (u16)status_err;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4088
	u8 errors = (u8)(status_err >> 24);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4089
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4090
	skb_checksum_none_assert(skb);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4091
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4092
	/* 82543 or newer only */
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4093
	if (unlikely(hw->mac_type < e1000_82543)) return;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4094
	/* Ignore Checksum bit is set */
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4095
	if (unlikely(status & E1000_RXD_STAT_IXSM)) return;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4096
	/* TCP/UDP checksum error bit is set */
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4097
	if (unlikely(errors & E1000_RXD_ERR_TCPE)) {
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4098
		/* let the stack verify checksum errors */
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4099
		adapter->hw_csum_err++;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4100
		return;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4101
	}
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4102
	/* TCP/UDP Checksum has not been calculated */
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4103
	if (!(status & E1000_RXD_STAT_TCPCS))
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4104
		return;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4105
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4106
	/* It must be a TCP or UDP packet with a valid checksum */
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4107
	if (likely(status & E1000_RXD_STAT_TCPCS)) {
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4108
		/* TCP checksum is good */
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4109
		skb->ip_summed = CHECKSUM_UNNECESSARY;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4110
	}
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4111
	adapter->hw_csum_good++;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4112
}
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4113
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4114
/**
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4115
 * e1000_consume_page - helper function
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4116
 **/
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4117
static void e1000_consume_page(struct e1000_buffer *bi, struct sk_buff *skb,
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4118
                               u16 length)
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4119
{
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4120
	bi->page = NULL;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4121
	skb->len += length;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4122
	skb->data_len += length;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4123
	skb->truesize += PAGE_SIZE;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4124
}
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4125
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4126
/**
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4127
 * e1000_receive_skb - helper function to handle rx indications
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4128
 * @adapter: board private structure
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4129
 * @status: descriptor status field as written by hardware
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4130
 * @vlan: descriptor vlan field as written by hardware (no le/be conversion)
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4131
 * @skb: pointer to sk_buff to be indicated to stack
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4132
 */
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4133
static void e1000_receive_skb(struct e1000_adapter *adapter, u8 status,
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4134
			      __le16 vlan, struct sk_buff *skb)
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4135
{
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4136
	skb->protocol = eth_type_trans(skb, adapter->netdev);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4137
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4138
	if (status & E1000_RXD_STAT_VP) {
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4139
		u16 vid = le16_to_cpu(vlan) & E1000_RXD_SPC_VLAN_MASK;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4140
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4141
		__vlan_hwaccel_put_tag(skb, vid);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4142
	}
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4143
	napi_gro_receive(&adapter->napi, skb);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4144
}
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4145
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4146
/**
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4147
 * e1000_clean_jumbo_rx_irq - Send received data up the network stack; legacy
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4148
 * @adapter: board private structure
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4149
 * @rx_ring: ring to clean
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4150
 * @work_done: amount of napi work completed this call
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4151
 * @work_to_do: max amount of work allowed for this call to do
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4152
 *
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4153
 * the return value indicates whether actual cleaning was done, there
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4154
 * is no guarantee that everything was cleaned
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4155
 */
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4156
static bool e1000_clean_jumbo_rx_irq(struct e1000_adapter *adapter,
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4157
				     struct e1000_rx_ring *rx_ring,
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4158
				     int *work_done, int work_to_do)
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4159
{
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4160
	struct e1000_hw *hw = &adapter->hw;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4161
	struct net_device *netdev = adapter->netdev;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4162
	struct pci_dev *pdev = adapter->pdev;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4163
	struct e1000_rx_desc *rx_desc, *next_rxd;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4164
	struct e1000_buffer *buffer_info, *next_buffer;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4165
	unsigned long irq_flags;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4166
	u32 length;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4167
	unsigned int i;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4168
	int cleaned_count = 0;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4169
	bool cleaned = false;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4170
	unsigned int total_rx_bytes=0, total_rx_packets=0;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4171
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4172
	i = rx_ring->next_to_clean;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4173
	rx_desc = E1000_RX_DESC(*rx_ring, i);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4174
	buffer_info = &rx_ring->buffer_info[i];
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4175
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4176
	while (rx_desc->status & E1000_RXD_STAT_DD) {
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4177
		struct sk_buff *skb;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4178
		u8 status;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4179
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4180
		if (*work_done >= work_to_do)
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4181
			break;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4182
		(*work_done)++;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4183
		rmb(); /* read descriptor and rx_buffer_info after status DD */
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4184
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4185
		status = rx_desc->status;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4186
		skb = buffer_info->skb;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4187
		if (!adapter->ecdev) {
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4188
			buffer_info->skb = NULL;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4189
		}
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4190
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4191
		if (++i == rx_ring->count) i = 0;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4192
		next_rxd = E1000_RX_DESC(*rx_ring, i);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4193
		prefetch(next_rxd);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4194
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4195
		next_buffer = &rx_ring->buffer_info[i];
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4196
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4197
		cleaned = true;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4198
		cleaned_count++;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4199
		dma_unmap_page(&pdev->dev, buffer_info->dma,
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4200
			       buffer_info->length, DMA_FROM_DEVICE);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4201
		buffer_info->dma = 0;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4202
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4203
		length = le16_to_cpu(rx_desc->length);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4204
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4205
		/* errors is only valid for DD + EOP descriptors */
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4206
		if (!adapter->ecdev &&
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4207
		    unlikely((status & E1000_RXD_STAT_EOP) &&
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4208
		    (rx_desc->errors & E1000_RXD_ERR_FRAME_ERR_MASK))) {
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4209
			u8 *mapped;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4210
			u8 last_byte;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4211
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4212
			mapped = page_address(buffer_info->page);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4213
			last_byte = *(mapped + length - 1);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4214
			if (TBI_ACCEPT(hw, status, rx_desc->errors, length,
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4215
				       last_byte)) {
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4216
				spin_lock_irqsave(&adapter->stats_lock,
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4217
				                  irq_flags);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4218
				e1000_tbi_adjust_stats(hw, &adapter->stats,
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4219
						       length, mapped);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4220
				spin_unlock_irqrestore(&adapter->stats_lock,
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4221
				                       irq_flags);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4222
				length--;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4223
			} else {
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4224
				if (netdev->features & NETIF_F_RXALL)
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4225
					goto process_skb;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4226
				/* recycle both page and skb */
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4227
				buffer_info->skb = skb;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4228
				/* an error means any chain goes out the window
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4229
				 * too */
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4230
				if (rx_ring->rx_skb_top)
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4231
					dev_kfree_skb(rx_ring->rx_skb_top);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4232
				rx_ring->rx_skb_top = NULL;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4233
				goto next_desc;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4234
			}
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4235
		}
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4236
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4237
#define rxtop rx_ring->rx_skb_top
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4238
process_skb:
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4239
		if (!(status & E1000_RXD_STAT_EOP)) {
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4240
			/* this descriptor is only the beginning (or middle) */
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4241
			if (!rxtop) {
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4242
				/* this is the beginning of a chain */
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4243
				rxtop = skb;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4244
				skb_fill_page_desc(rxtop, 0, buffer_info->page,
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4245
				                   0, length);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4246
			} else {
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4247
				/* this is the middle of a chain */
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4248
				skb_fill_page_desc(rxtop,
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4249
				    skb_shinfo(rxtop)->nr_frags,
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4250
				    buffer_info->page, 0, length);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4251
				/* re-use the skb, only consumed the page */
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4252
				buffer_info->skb = skb;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4253
			}
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4254
			e1000_consume_page(buffer_info, rxtop, length);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4255
			goto next_desc;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4256
		} else {
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4257
			if (rxtop) {
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4258
				/* end of the chain */
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4259
				skb_fill_page_desc(rxtop,
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4260
				    skb_shinfo(rxtop)->nr_frags,
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4261
				    buffer_info->page, 0, length);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4262
				/* re-use the current skb, we only consumed the
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4263
				 * page */
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4264
				buffer_info->skb = skb;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4265
				skb = rxtop;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4266
				rxtop = NULL;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4267
				e1000_consume_page(buffer_info, skb, length);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4268
			} else {
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4269
				/* no chain, got EOP, this buf is the packet
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4270
				 * copybreak to save the put_page/alloc_page */
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4271
				if (length <= copybreak &&
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4272
				    skb_tailroom(skb) >= length) {
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4273
					u8 *vaddr;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4274
					vaddr = kmap_atomic(buffer_info->page);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4275
					memcpy(skb_tail_pointer(skb), vaddr, length);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4276
					kunmap_atomic(vaddr);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4277
					/* re-use the page, so don't erase
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4278
					 * buffer_info->page */
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4279
					skb_put(skb, length);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4280
				} else {
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4281
					skb_fill_page_desc(skb, 0,
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4282
					                   buffer_info->page, 0,
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4283
				                           length);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4284
					e1000_consume_page(buffer_info, skb,
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4285
					                   length);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4286
				}
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4287
			}
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4288
		}
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4289
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4290
		/* Receive Checksum Offload XXX recompute due to CRC strip? */
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4291
		e1000_rx_checksum(adapter,
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4292
		                  (u32)(status) |
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4293
		                  ((u32)(rx_desc->errors) << 24),
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4294
		                  le16_to_cpu(rx_desc->csum), skb);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4295
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4296
		total_rx_bytes += (skb->len - 4); /* don't count FCS */
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4297
		if (likely(!(netdev->features & NETIF_F_RXFCS)))
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4298
			pskb_trim(skb, skb->len - 4);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4299
		total_rx_packets++;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4300
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4301
		/* eth type trans needs skb->data to point to something */
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4302
		if (!pskb_may_pull(skb, ETH_HLEN)) {
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4303
			e_err(drv, "pskb_may_pull failed.\n");
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4304
			if (!adapter->ecdev) {
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4305
				dev_kfree_skb(skb);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4306
			}
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4307
			goto next_desc;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4308
		}
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4309
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4310
		if (adapter->ecdev) {
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4311
			ecdev_receive(adapter->ecdev, skb->data, length);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4312
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4313
			// No need to detect link status as
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4314
			// long as frames are received: Reset watchdog.
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4315
			adapter->ec_watchdog_jiffies = jiffies;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4316
		} else {
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4317
			e1000_receive_skb(adapter, status, rx_desc->special, skb);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4318
		}
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4319
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4320
next_desc:
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4321
		rx_desc->status = 0;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4322
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4323
		/* return some buffers to hardware, one at a time is too slow */
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4324
		if (unlikely(cleaned_count >= E1000_RX_BUFFER_WRITE)) {
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4325
			adapter->alloc_rx_buf(adapter, rx_ring, cleaned_count);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4326
			cleaned_count = 0;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4327
		}
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4328
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4329
		/* use prefetched values */
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4330
		rx_desc = next_rxd;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4331
		buffer_info = next_buffer;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4332
	}
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4333
	rx_ring->next_to_clean = i;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4334
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4335
	cleaned_count = E1000_DESC_UNUSED(rx_ring);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4336
	if (cleaned_count)
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4337
		adapter->alloc_rx_buf(adapter, rx_ring, cleaned_count);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4338
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4339
	adapter->total_rx_packets += total_rx_packets;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4340
	adapter->total_rx_bytes += total_rx_bytes;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4341
	netdev->stats.rx_bytes += total_rx_bytes;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4342
	netdev->stats.rx_packets += total_rx_packets;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4343
	return cleaned;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4344
}
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4345
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4346
/*
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4347
 * this should improve performance for small packets with large amounts
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4348
 * of reassembly being done in the stack
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4349
 */
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4350
static void e1000_check_copybreak(struct net_device *netdev,
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4351
				 struct e1000_buffer *buffer_info,
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4352
				 u32 length, struct sk_buff **skb)
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4353
{
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4354
	struct e1000_adapter *adapter = netdev_priv(netdev);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4355
	struct sk_buff *new_skb;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4356
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4357
	if (adapter->ecdev || length > copybreak)
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4358
		return;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4359
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4360
	new_skb = netdev_alloc_skb_ip_align(netdev, length);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4361
	if (!new_skb)
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4362
		return;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4363
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4364
	skb_copy_to_linear_data_offset(new_skb, -NET_IP_ALIGN,
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4365
				       (*skb)->data - NET_IP_ALIGN,
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4366
				       length + NET_IP_ALIGN);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4367
	/* save the skb in buffer_info as good */
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4368
	buffer_info->skb = *skb;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4369
	*skb = new_skb;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4370
}
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4371
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4372
/**
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4373
 * e1000_clean_rx_irq - Send received data up the network stack; legacy
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4374
 * @adapter: board private structure
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4375
 * @rx_ring: ring to clean
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4376
 * @work_done: amount of napi work completed this call
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4377
 * @work_to_do: max amount of work allowed for this call to do
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4378
 */
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4379
static bool e1000_clean_rx_irq(struct e1000_adapter *adapter,
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4380
			       struct e1000_rx_ring *rx_ring,
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4381
			       int *work_done, int work_to_do)
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4382
{
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4383
	struct e1000_hw *hw = &adapter->hw;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4384
	struct net_device *netdev = adapter->netdev;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4385
	struct pci_dev *pdev = adapter->pdev;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4386
	struct e1000_rx_desc *rx_desc, *next_rxd;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4387
	struct e1000_buffer *buffer_info, *next_buffer;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4388
	unsigned long flags;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4389
	u32 length;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4390
	unsigned int i;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4391
	int cleaned_count = 0;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4392
	bool cleaned = false;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4393
	unsigned int total_rx_bytes=0, total_rx_packets=0;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4394
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4395
	i = rx_ring->next_to_clean;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4396
	rx_desc = E1000_RX_DESC(*rx_ring, i);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4397
	buffer_info = &rx_ring->buffer_info[i];
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4398
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4399
	while (rx_desc->status & E1000_RXD_STAT_DD) {
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4400
		struct sk_buff *skb;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4401
		u8 status;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4402
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4403
		if (*work_done >= work_to_do)
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4404
			break;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4405
		(*work_done)++;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4406
		rmb(); /* read descriptor and rx_buffer_info after status DD */
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4407
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4408
		status = rx_desc->status;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4409
		skb = buffer_info->skb;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4410
		if (!adapter->ecdev) {
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4411
			buffer_info->skb = NULL;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4412
		}
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4413
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4414
		prefetch(skb->data - NET_IP_ALIGN);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4415
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4416
		if (++i == rx_ring->count) i = 0;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4417
		next_rxd = E1000_RX_DESC(*rx_ring, i);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4418
		prefetch(next_rxd);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4419
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4420
		next_buffer = &rx_ring->buffer_info[i];
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4421
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4422
		cleaned = true;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4423
		cleaned_count++;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4424
		dma_unmap_single(&pdev->dev, buffer_info->dma,
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4425
				 buffer_info->length, DMA_FROM_DEVICE);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4426
		buffer_info->dma = 0;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4427
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4428
		length = le16_to_cpu(rx_desc->length);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4429
		/* !EOP means multiple descriptors were used to store a single
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4430
		 * packet, if thats the case we need to toss it.  In fact, we
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4431
		 * to toss every packet with the EOP bit clear and the next
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4432
		 * frame that _does_ have the EOP bit set, as it is by
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4433
		 * definition only a frame fragment
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4434
		 */
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4435
		if (unlikely(!(status & E1000_RXD_STAT_EOP)))
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4436
			adapter->discarding = true;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4437
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4438
		if (adapter->discarding) {
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4439
			/* All receives must fit into a single buffer */
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4440
			e_dbg("Receive packet consumed multiple buffers\n");
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4441
			/* recycle */
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4442
			buffer_info->skb = skb;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4443
			if (status & E1000_RXD_STAT_EOP)
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4444
				adapter->discarding = false;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4445
			goto next_desc;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4446
		}
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4447
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4448
		if (!adapter->ecdev &&
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4449
		    unlikely(rx_desc->errors & E1000_RXD_ERR_FRAME_ERR_MASK)) {
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4450
			u8 last_byte = *(skb->data + length - 1);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4451
			if (TBI_ACCEPT(hw, status, rx_desc->errors, length,
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4452
				       last_byte)) {
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4453
				spin_lock_irqsave(&adapter->stats_lock, flags);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4454
				e1000_tbi_adjust_stats(hw, &adapter->stats,
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4455
				                       length, skb->data);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4456
				spin_unlock_irqrestore(&adapter->stats_lock,
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4457
				                       flags);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4458
				length--;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4459
			} else {
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4460
				if (netdev->features & NETIF_F_RXALL)
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4461
					goto process_skb;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4462
				/* recycle */
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4463
				buffer_info->skb = skb;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4464
				goto next_desc;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4465
			}
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4466
		}
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4467
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4468
process_skb:
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4469
		total_rx_bytes += (length - 4); /* don't count FCS */
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4470
		total_rx_packets++;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4471
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4472
		if (likely(!(netdev->features & NETIF_F_RXFCS)))
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4473
			/* adjust length to remove Ethernet CRC, this must be
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4474
			 * done after the TBI_ACCEPT workaround above
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4475
			 */
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4476
			length -= 4;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4477
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4478
		e1000_check_copybreak(netdev, buffer_info, length, &skb);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4479
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4480
		skb_put(skb, length);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4481
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4482
		/* Receive Checksum Offload */
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4483
		e1000_rx_checksum(adapter,
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4484
				  (u32)(status) |
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4485
				  ((u32)(rx_desc->errors) << 24),
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4486
				  le16_to_cpu(rx_desc->csum), skb);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4487
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4488
		if (adapter->ecdev) {
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4489
			ecdev_receive(adapter->ecdev, skb->data, length);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4490
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4491
			// No need to detect link status as
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4492
			// long as frames are received: Reset watchdog.
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4493
			adapter->ec_watchdog_jiffies = jiffies;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4494
		} else {
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4495
			e1000_receive_skb(adapter, status, rx_desc->special, skb);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4496
		}
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4497
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4498
next_desc:
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4499
		rx_desc->status = 0;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4500
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4501
		/* return some buffers to hardware, one at a time is too slow */
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4502
		if (unlikely(cleaned_count >= E1000_RX_BUFFER_WRITE)) {
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4503
			adapter->alloc_rx_buf(adapter, rx_ring, cleaned_count);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4504
			cleaned_count = 0;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4505
		}
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4506
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4507
		/* use prefetched values */
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4508
		rx_desc = next_rxd;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4509
		buffer_info = next_buffer;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4510
	}
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4511
	rx_ring->next_to_clean = i;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4512
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4513
	cleaned_count = E1000_DESC_UNUSED(rx_ring);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4514
	if (cleaned_count)
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4515
		adapter->alloc_rx_buf(adapter, rx_ring, cleaned_count);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4516
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4517
	adapter->total_rx_packets += total_rx_packets;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4518
	adapter->total_rx_bytes += total_rx_bytes;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4519
	netdev->stats.rx_bytes += total_rx_bytes;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4520
	netdev->stats.rx_packets += total_rx_packets;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4521
	return cleaned;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4522
}
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4523
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4524
/**
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4525
 * e1000_alloc_jumbo_rx_buffers - Replace used jumbo receive buffers
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4526
 * @adapter: address of board private structure
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4527
 * @rx_ring: pointer to receive ring structure
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4528
 * @cleaned_count: number of buffers to allocate this pass
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4529
 **/
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4530
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4531
static void
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4532
e1000_alloc_jumbo_rx_buffers(struct e1000_adapter *adapter,
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4533
                             struct e1000_rx_ring *rx_ring, int cleaned_count)
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4534
{
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4535
	struct net_device *netdev = adapter->netdev;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4536
	struct pci_dev *pdev = adapter->pdev;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4537
	struct e1000_rx_desc *rx_desc;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4538
	struct e1000_buffer *buffer_info;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4539
	struct sk_buff *skb;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4540
	unsigned int i;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4541
	unsigned int bufsz = 256 - 16 /*for skb_reserve */ ;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4542
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4543
	i = rx_ring->next_to_use;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4544
	buffer_info = &rx_ring->buffer_info[i];
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4545
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4546
	while (cleaned_count--) {
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4547
		skb = buffer_info->skb;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4548
		if (skb) {
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4549
			skb_trim(skb, 0);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4550
			goto check_page;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4551
		}
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4552
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4553
		skb = netdev_alloc_skb_ip_align(netdev, bufsz);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4554
		if (unlikely(!skb)) {
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4555
			/* Better luck next round */
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4556
			adapter->alloc_rx_buff_failed++;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4557
			break;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4558
		}
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4559
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4560
		buffer_info->skb = skb;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4561
		buffer_info->length = adapter->rx_buffer_len;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4562
check_page:
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4563
		/* allocate a new page if necessary */
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4564
		if (!buffer_info->page) {
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4565
			buffer_info->page = alloc_page(GFP_ATOMIC);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4566
			if (unlikely(!buffer_info->page)) {
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4567
				adapter->alloc_rx_buff_failed++;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4568
				break;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4569
			}
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4570
		}
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4571
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4572
		if (!buffer_info->dma) {
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4573
			buffer_info->dma = dma_map_page(&pdev->dev,
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4574
			                                buffer_info->page, 0,
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4575
							buffer_info->length,
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4576
							DMA_FROM_DEVICE);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4577
			if (dma_mapping_error(&pdev->dev, buffer_info->dma)) {
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4578
				put_page(buffer_info->page);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4579
				dev_kfree_skb(skb);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4580
				buffer_info->page = NULL;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4581
				buffer_info->skb = NULL;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4582
				buffer_info->dma = 0;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4583
				adapter->alloc_rx_buff_failed++;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4584
				break; /* while !buffer_info->skb */
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4585
			}
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4586
		}
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4587
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4588
		rx_desc = E1000_RX_DESC(*rx_ring, i);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4589
		rx_desc->buffer_addr = cpu_to_le64(buffer_info->dma);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4590
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4591
		if (unlikely(++i == rx_ring->count))
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4592
			i = 0;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4593
		buffer_info = &rx_ring->buffer_info[i];
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4594
	}
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4595
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4596
	if (likely(rx_ring->next_to_use != i)) {
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4597
		rx_ring->next_to_use = i;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4598
		if (unlikely(i-- == 0))
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4599
			i = (rx_ring->count - 1);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4600
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4601
		/* Force memory writes to complete before letting h/w
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4602
		 * know there are new descriptors to fetch.  (Only
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4603
		 * applicable for weak-ordered memory model archs,
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4604
		 * such as IA-64). */
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4605
		wmb();
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4606
		writel(i, adapter->hw.hw_addr + rx_ring->rdt);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4607
	}
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4608
}
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4609
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4610
/**
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4611
 * e1000_alloc_rx_buffers - Replace used receive buffers; legacy & extended
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4612
 * @adapter: address of board private structure
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4613
 **/
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4614
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4615
static void e1000_alloc_rx_buffers(struct e1000_adapter *adapter,
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4616
				   struct e1000_rx_ring *rx_ring,
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4617
				   int cleaned_count)
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4618
{
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4619
	struct e1000_hw *hw = &adapter->hw;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4620
	struct net_device *netdev = adapter->netdev;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4621
	struct pci_dev *pdev = adapter->pdev;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4622
	struct e1000_rx_desc *rx_desc;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4623
	struct e1000_buffer *buffer_info;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4624
	struct sk_buff *skb;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4625
	unsigned int i;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4626
	unsigned int bufsz = adapter->rx_buffer_len;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4627
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4628
	i = rx_ring->next_to_use;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4629
	buffer_info = &rx_ring->buffer_info[i];
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4630
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4631
	while (cleaned_count--) {
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4632
		skb = buffer_info->skb;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4633
		if (skb) {
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4634
			skb_trim(skb, 0);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4635
			goto map_skb;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4636
		}
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4637
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4638
		skb = netdev_alloc_skb_ip_align(netdev, bufsz);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4639
		if (unlikely(!skb)) {
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4640
			/* Better luck next round */
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4641
			adapter->alloc_rx_buff_failed++;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4642
			break;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4643
		}
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4644
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4645
		/* Fix for errata 23, can't cross 64kB boundary */
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4646
		if (!e1000_check_64k_bound(adapter, skb->data, bufsz)) {
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4647
			struct sk_buff *oldskb = skb;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4648
			e_err(rx_err, "skb align check failed: %u bytes at "
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4649
			      "%p\n", bufsz, skb->data);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4650
			/* Try again, without freeing the previous */
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4651
			skb = netdev_alloc_skb_ip_align(netdev, bufsz);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4652
			/* Failed allocation, critical failure */
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4653
			if (!skb) {
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4654
				dev_kfree_skb(oldskb);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4655
				adapter->alloc_rx_buff_failed++;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4656
				break;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4657
			}
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4658
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4659
			if (!e1000_check_64k_bound(adapter, skb->data, bufsz)) {
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4660
				/* give up */
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4661
				dev_kfree_skb(skb);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4662
				dev_kfree_skb(oldskb);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4663
				adapter->alloc_rx_buff_failed++;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4664
				break; /* while !buffer_info->skb */
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4665
			}
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4666
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4667
			/* Use new allocation */
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4668
			dev_kfree_skb(oldskb);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4669
		}
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4670
		buffer_info->skb = skb;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4671
		buffer_info->length = adapter->rx_buffer_len;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4672
map_skb:
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4673
		buffer_info->dma = dma_map_single(&pdev->dev,
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4674
						  skb->data,
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4675
						  buffer_info->length,
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4676
						  DMA_FROM_DEVICE);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4677
		if (dma_mapping_error(&pdev->dev, buffer_info->dma)) {
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4678
			dev_kfree_skb(skb);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4679
			buffer_info->skb = NULL;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4680
			buffer_info->dma = 0;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4681
			adapter->alloc_rx_buff_failed++;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4682
			break; /* while !buffer_info->skb */
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4683
		}
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4684
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4685
		/*
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4686
		 * XXX if it was allocated cleanly it will never map to a
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4687
		 * boundary crossing
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4688
		 */
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4689
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4690
		/* Fix for errata 23, can't cross 64kB boundary */
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4691
		if (!e1000_check_64k_bound(adapter,
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4692
					(void *)(unsigned long)buffer_info->dma,
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4693
					adapter->rx_buffer_len)) {
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4694
			e_err(rx_err, "dma align check failed: %u bytes at "
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4695
			      "%p\n", adapter->rx_buffer_len,
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4696
			      (void *)(unsigned long)buffer_info->dma);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4697
			dev_kfree_skb(skb);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4698
			buffer_info->skb = NULL;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4699
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4700
			dma_unmap_single(&pdev->dev, buffer_info->dma,
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4701
					 adapter->rx_buffer_len,
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4702
					 DMA_FROM_DEVICE);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4703
			buffer_info->dma = 0;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4704
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4705
			adapter->alloc_rx_buff_failed++;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4706
			break; /* while !buffer_info->skb */
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4707
		}
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4708
		rx_desc = E1000_RX_DESC(*rx_ring, i);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4709
		rx_desc->buffer_addr = cpu_to_le64(buffer_info->dma);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4710
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4711
		if (unlikely(++i == rx_ring->count))
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4712
			i = 0;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4713
		buffer_info = &rx_ring->buffer_info[i];
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4714
	}
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4715
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4716
	if (likely(rx_ring->next_to_use != i)) {
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4717
		rx_ring->next_to_use = i;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4718
		if (unlikely(i-- == 0))
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4719
			i = (rx_ring->count - 1);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4720
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4721
		/* Force memory writes to complete before letting h/w
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4722
		 * know there are new descriptors to fetch.  (Only
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4723
		 * applicable for weak-ordered memory model archs,
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4724
		 * such as IA-64). */
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4725
		wmb();
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4726
		writel(i, hw->hw_addr + rx_ring->rdt);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4727
	}
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4728
}
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4729
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4730
/**
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4731
 * e1000_smartspeed - Workaround for SmartSpeed on 82541 and 82547 controllers.
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4732
 * @adapter:
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4733
 **/
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4734
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4735
static void e1000_smartspeed(struct e1000_adapter *adapter)
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4736
{
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4737
	struct e1000_hw *hw = &adapter->hw;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4738
	u16 phy_status;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4739
	u16 phy_ctrl;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4740
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4741
	if ((hw->phy_type != e1000_phy_igp) || !hw->autoneg ||
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4742
	   !(hw->autoneg_advertised & ADVERTISE_1000_FULL))
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4743
		return;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4744
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4745
	if (adapter->smartspeed == 0) {
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4746
		/* If Master/Slave config fault is asserted twice,
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4747
		 * we assume back-to-back */
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4748
		e1000_read_phy_reg(hw, PHY_1000T_STATUS, &phy_status);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4749
		if (!(phy_status & SR_1000T_MS_CONFIG_FAULT)) return;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4750
		e1000_read_phy_reg(hw, PHY_1000T_STATUS, &phy_status);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4751
		if (!(phy_status & SR_1000T_MS_CONFIG_FAULT)) return;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4752
		e1000_read_phy_reg(hw, PHY_1000T_CTRL, &phy_ctrl);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4753
		if (phy_ctrl & CR_1000T_MS_ENABLE) {
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4754
			phy_ctrl &= ~CR_1000T_MS_ENABLE;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4755
			e1000_write_phy_reg(hw, PHY_1000T_CTRL,
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4756
					    phy_ctrl);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4757
			adapter->smartspeed++;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4758
			if (!e1000_phy_setup_autoneg(hw) &&
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4759
			   !e1000_read_phy_reg(hw, PHY_CTRL,
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4760
				   	       &phy_ctrl)) {
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4761
				phy_ctrl |= (MII_CR_AUTO_NEG_EN |
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4762
					     MII_CR_RESTART_AUTO_NEG);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4763
				e1000_write_phy_reg(hw, PHY_CTRL,
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4764
						    phy_ctrl);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4765
			}
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4766
		}
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4767
		return;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4768
	} else if (adapter->smartspeed == E1000_SMARTSPEED_DOWNSHIFT) {
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4769
		/* If still no link, perhaps using 2/3 pair cable */
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4770
		e1000_read_phy_reg(hw, PHY_1000T_CTRL, &phy_ctrl);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4771
		phy_ctrl |= CR_1000T_MS_ENABLE;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4772
		e1000_write_phy_reg(hw, PHY_1000T_CTRL, phy_ctrl);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4773
		if (!e1000_phy_setup_autoneg(hw) &&
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4774
		   !e1000_read_phy_reg(hw, PHY_CTRL, &phy_ctrl)) {
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4775
			phy_ctrl |= (MII_CR_AUTO_NEG_EN |
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4776
				     MII_CR_RESTART_AUTO_NEG);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4777
			e1000_write_phy_reg(hw, PHY_CTRL, phy_ctrl);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4778
		}
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4779
	}
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4780
	/* Restart process after E1000_SMARTSPEED_MAX iterations */
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4781
	if (adapter->smartspeed++ == E1000_SMARTSPEED_MAX)
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4782
		adapter->smartspeed = 0;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4783
}
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4784
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4785
/**
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4786
 * e1000_ioctl -
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4787
 * @netdev:
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4788
 * @ifreq:
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4789
 * @cmd:
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4790
 **/
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4791
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4792
static int e1000_ioctl(struct net_device *netdev, struct ifreq *ifr, int cmd)
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4793
{
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4794
	switch (cmd) {
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4795
	case SIOCGMIIPHY:
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4796
	case SIOCGMIIREG:
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4797
	case SIOCSMIIREG:
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4798
		return e1000_mii_ioctl(netdev, ifr, cmd);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4799
	default:
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4800
		return -EOPNOTSUPP;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4801
	}
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4802
}
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4803
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4804
/**
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4805
 * e1000_mii_ioctl -
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4806
 * @netdev:
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4807
 * @ifreq:
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4808
 * @cmd:
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4809
 **/
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4810
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4811
static int e1000_mii_ioctl(struct net_device *netdev, struct ifreq *ifr,
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4812
			   int cmd)
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4813
{
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4814
	struct e1000_adapter *adapter = netdev_priv(netdev);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4815
	struct e1000_hw *hw = &adapter->hw;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4816
	struct mii_ioctl_data *data = if_mii(ifr);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4817
	int retval;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4818
	u16 mii_reg;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4819
	unsigned long flags;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4820
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4821
	if (hw->media_type != e1000_media_type_copper)
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4822
		return -EOPNOTSUPP;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4823
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4824
	switch (cmd) {
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4825
	case SIOCGMIIPHY:
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4826
		data->phy_id = hw->phy_addr;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4827
		break;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4828
	case SIOCGMIIREG:
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4829
		if (adapter->ecdev) {
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4830
			return -EPERM;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4831
		}
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4832
		spin_lock_irqsave(&adapter->stats_lock, flags);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4833
		if (e1000_read_phy_reg(hw, data->reg_num & 0x1F,
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4834
				   &data->val_out)) {
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4835
			spin_unlock_irqrestore(&adapter->stats_lock, flags);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4836
			return -EIO;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4837
		}
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4838
		spin_unlock_irqrestore(&adapter->stats_lock, flags);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4839
		break;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4840
	case SIOCSMIIREG:
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4841
		if (adapter->ecdev) {
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4842
			return -EPERM;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4843
		}
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4844
		if (data->reg_num & ~(0x1F))
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4845
			return -EFAULT;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4846
		mii_reg = data->val_in;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4847
		spin_lock_irqsave(&adapter->stats_lock, flags);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4848
		if (e1000_write_phy_reg(hw, data->reg_num,
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4849
					mii_reg)) {
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4850
			spin_unlock_irqrestore(&adapter->stats_lock, flags);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4851
			return -EIO;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4852
		}
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4853
		spin_unlock_irqrestore(&adapter->stats_lock, flags);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4854
		if (hw->media_type == e1000_media_type_copper) {
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4855
			switch (data->reg_num) {
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4856
			case PHY_CTRL:
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4857
				if (mii_reg & MII_CR_POWER_DOWN)
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4858
					break;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4859
				if (mii_reg & MII_CR_AUTO_NEG_EN) {
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4860
					hw->autoneg = 1;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4861
					hw->autoneg_advertised = 0x2F;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4862
				} else {
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4863
					u32 speed;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4864
					if (mii_reg & 0x40)
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4865
						speed = SPEED_1000;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4866
					else if (mii_reg & 0x2000)
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4867
						speed = SPEED_100;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4868
					else
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4869
						speed = SPEED_10;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4870
					retval = e1000_set_spd_dplx(
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4871
						adapter, speed,
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4872
						((mii_reg & 0x100)
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4873
						 ? DUPLEX_FULL :
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4874
						 DUPLEX_HALF));
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4875
					if (retval)
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4876
						return retval;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4877
				}
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4878
				if (netif_running(adapter->netdev))
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4879
					e1000_reinit_locked(adapter);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4880
				else
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4881
					e1000_reset(adapter);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4882
				break;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4883
			case M88E1000_PHY_SPEC_CTRL:
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4884
			case M88E1000_EXT_PHY_SPEC_CTRL:
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4885
				if (e1000_phy_reset(hw))
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4886
					return -EIO;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4887
				break;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4888
			}
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4889
		} else {
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4890
			switch (data->reg_num) {
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4891
			case PHY_CTRL:
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4892
				if (mii_reg & MII_CR_POWER_DOWN)
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4893
					break;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4894
				if (netif_running(adapter->netdev))
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4895
					e1000_reinit_locked(adapter);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4896
				else
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4897
					e1000_reset(adapter);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4898
				break;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4899
			}
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4900
		}
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4901
		break;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4902
	default:
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4903
		return -EOPNOTSUPP;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4904
	}
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4905
	return E1000_SUCCESS;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4906
}
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4907
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4908
void e1000_pci_set_mwi(struct e1000_hw *hw)
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4909
{
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4910
	struct e1000_adapter *adapter = hw->back;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4911
	int ret_val = pci_set_mwi(adapter->pdev);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4912
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4913
	if (ret_val)
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4914
		e_err(probe, "Error in setting MWI\n");
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4915
}
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4916
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4917
void e1000_pci_clear_mwi(struct e1000_hw *hw)
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4918
{
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4919
	struct e1000_adapter *adapter = hw->back;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4920
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4921
	pci_clear_mwi(adapter->pdev);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4922
}
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4923
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4924
int e1000_pcix_get_mmrbc(struct e1000_hw *hw)
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4925
{
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4926
	struct e1000_adapter *adapter = hw->back;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4927
	return pcix_get_mmrbc(adapter->pdev);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4928
}
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4929
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4930
void e1000_pcix_set_mmrbc(struct e1000_hw *hw, int mmrbc)
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4931
{
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4932
	struct e1000_adapter *adapter = hw->back;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4933
	pcix_set_mmrbc(adapter->pdev, mmrbc);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4934
}
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4935
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4936
void e1000_io_write(struct e1000_hw *hw, unsigned long port, u32 value)
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4937
{
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4938
	outl(value, port);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4939
}
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4940
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4941
static bool e1000_vlan_used(struct e1000_adapter *adapter)
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4942
{
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4943
	u16 vid;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4944
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4945
	for_each_set_bit(vid, adapter->active_vlans, VLAN_N_VID)
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4946
		return true;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4947
	return false;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4948
}
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4949
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4950
static void __e1000_vlan_mode(struct e1000_adapter *adapter,
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4951
			      netdev_features_t features)
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4952
{
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4953
	struct e1000_hw *hw = &adapter->hw;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4954
	u32 ctrl;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4955
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4956
	ctrl = er32(CTRL);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4957
	if (features & NETIF_F_HW_VLAN_RX) {
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4958
		/* enable VLAN tag insert/strip */
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4959
		ctrl |= E1000_CTRL_VME;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4960
	} else {
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4961
		/* disable VLAN tag insert/strip */
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4962
		ctrl &= ~E1000_CTRL_VME;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4963
	}
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4964
	ew32(CTRL, ctrl);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4965
}
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4966
static void e1000_vlan_filter_on_off(struct e1000_adapter *adapter,
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4967
				     bool filter_on)
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4968
{
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4969
	struct e1000_hw *hw = &adapter->hw;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4970
	u32 rctl;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4971
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4972
	if (!test_bit(__E1000_DOWN, &adapter->flags))
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4973
		e1000_irq_disable(adapter);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4974
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4975
	__e1000_vlan_mode(adapter, adapter->netdev->features);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4976
	if (filter_on) {
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4977
		/* enable VLAN receive filtering */
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4978
		rctl = er32(RCTL);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4979
		rctl &= ~E1000_RCTL_CFIEN;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4980
		if (!(adapter->netdev->flags & IFF_PROMISC))
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4981
			rctl |= E1000_RCTL_VFE;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4982
		ew32(RCTL, rctl);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4983
		e1000_update_mng_vlan(adapter);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4984
	} else {
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4985
		/* disable VLAN receive filtering */
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4986
		rctl = er32(RCTL);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4987
		rctl &= ~E1000_RCTL_VFE;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4988
		ew32(RCTL, rctl);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4989
	}
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4990
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4991
	if (!test_bit(__E1000_DOWN, &adapter->flags))
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4992
		e1000_irq_enable(adapter);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4993
}
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4994
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4995
static void e1000_vlan_mode(struct net_device *netdev,
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4996
			    netdev_features_t features)
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4997
{
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4998
	struct e1000_adapter *adapter = netdev_priv(netdev);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4999
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5000
	if (!test_bit(__E1000_DOWN, &adapter->flags))
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5001
		e1000_irq_disable(adapter);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5002
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5003
	__e1000_vlan_mode(adapter, features);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5004
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5005
	if (!test_bit(__E1000_DOWN, &adapter->flags))
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5006
		e1000_irq_enable(adapter);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5007
}
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5008
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5009
static int e1000_vlan_rx_add_vid(struct net_device *netdev, u16 vid)
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5010
{
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5011
	struct e1000_adapter *adapter = netdev_priv(netdev);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5012
	struct e1000_hw *hw = &adapter->hw;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5013
	u32 vfta, index;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5014
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5015
	if ((hw->mng_cookie.status &
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5016
	     E1000_MNG_DHCP_COOKIE_STATUS_VLAN_SUPPORT) &&
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5017
	    (vid == adapter->mng_vlan_id))
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5018
		return 0;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5019
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5020
	if (!e1000_vlan_used(adapter))
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5021
		e1000_vlan_filter_on_off(adapter, true);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5022
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5023
	/* add VID to filter table */
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5024
	index = (vid >> 5) & 0x7F;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5025
	vfta = E1000_READ_REG_ARRAY(hw, VFTA, index);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5026
	vfta |= (1 << (vid & 0x1F));
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5027
	e1000_write_vfta(hw, index, vfta);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5028
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5029
	set_bit(vid, adapter->active_vlans);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5030
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5031
	return 0;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5032
}
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5033
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5034
static int e1000_vlan_rx_kill_vid(struct net_device *netdev, u16 vid)
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5035
{
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5036
	struct e1000_adapter *adapter = netdev_priv(netdev);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5037
	struct e1000_hw *hw = &adapter->hw;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5038
	u32 vfta, index;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5039
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5040
	if (!test_bit(__E1000_DOWN, &adapter->flags))
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5041
		e1000_irq_disable(adapter);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5042
	if (!test_bit(__E1000_DOWN, &adapter->flags))
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5043
		e1000_irq_enable(adapter);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5044
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5045
	/* remove VID from filter table */
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5046
	index = (vid >> 5) & 0x7F;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5047
	vfta = E1000_READ_REG_ARRAY(hw, VFTA, index);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5048
	vfta &= ~(1 << (vid & 0x1F));
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5049
	e1000_write_vfta(hw, index, vfta);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5050
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5051
	clear_bit(vid, adapter->active_vlans);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5052
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5053
	if (!e1000_vlan_used(adapter))
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5054
		e1000_vlan_filter_on_off(adapter, false);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5055
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5056
	return 0;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5057
}
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5058
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5059
static void e1000_restore_vlan(struct e1000_adapter *adapter)
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5060
{
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5061
	u16 vid;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5062
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5063
	if (!e1000_vlan_used(adapter))
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5064
		return;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5065
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5066
	e1000_vlan_filter_on_off(adapter, true);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5067
	for_each_set_bit(vid, adapter->active_vlans, VLAN_N_VID)
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5068
		e1000_vlan_rx_add_vid(adapter->netdev, vid);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5069
}
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5070
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5071
int e1000_set_spd_dplx(struct e1000_adapter *adapter, u32 spd, u8 dplx)
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5072
{
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5073
	struct e1000_hw *hw = &adapter->hw;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5074
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5075
	hw->autoneg = 0;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5076
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5077
	/* Make sure dplx is at most 1 bit and lsb of speed is not set
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5078
	 * for the switch() below to work */
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5079
	if ((spd & 1) || (dplx & ~1))
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5080
		goto err_inval;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5081
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5082
	/* Fiber NICs only allow 1000 gbps Full duplex */
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5083
	if ((hw->media_type == e1000_media_type_fiber) &&
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5084
	    spd != SPEED_1000 &&
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5085
	    dplx != DUPLEX_FULL)
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5086
		goto err_inval;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5087
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5088
	switch (spd + dplx) {
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5089
	case SPEED_10 + DUPLEX_HALF:
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5090
		hw->forced_speed_duplex = e1000_10_half;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5091
		break;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5092
	case SPEED_10 + DUPLEX_FULL:
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5093
		hw->forced_speed_duplex = e1000_10_full;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5094
		break;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5095
	case SPEED_100 + DUPLEX_HALF:
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5096
		hw->forced_speed_duplex = e1000_100_half;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5097
		break;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5098
	case SPEED_100 + DUPLEX_FULL:
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5099
		hw->forced_speed_duplex = e1000_100_full;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5100
		break;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5101
	case SPEED_1000 + DUPLEX_FULL:
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5102
		hw->autoneg = 1;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5103
		hw->autoneg_advertised = ADVERTISE_1000_FULL;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5104
		break;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5105
	case SPEED_1000 + DUPLEX_HALF: /* not supported */
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5106
	default:
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5107
		goto err_inval;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5108
	}
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5109
	return 0;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5110
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5111
err_inval:
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5112
	e_err(probe, "Unsupported Speed/Duplex configuration\n");
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5113
	return -EINVAL;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5114
}
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5115
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5116
static int __e1000_shutdown(struct pci_dev *pdev, bool *enable_wake)
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5117
{
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5118
	struct net_device *netdev = pci_get_drvdata(pdev);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5119
	struct e1000_adapter *adapter = netdev_priv(netdev);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5120
	struct e1000_hw *hw = &adapter->hw;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5121
	u32 ctrl, ctrl_ext, rctl, status;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5122
	u32 wufc = adapter->wol;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5123
#ifdef CONFIG_PM
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5124
	int retval = 0;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5125
#endif
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5126
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5127
	if (adapter->ecdev) {
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5128
		return -EBUSY;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5129
	}
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5130
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5131
	netif_device_detach(netdev);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5132
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5133
	if (netif_running(netdev)) {
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5134
		WARN_ON(test_bit(__E1000_RESETTING, &adapter->flags));
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5135
		e1000_down(adapter);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5136
	}
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5137
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5138
#ifdef CONFIG_PM
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5139
	retval = pci_save_state(pdev);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5140
	if (retval)
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5141
		return retval;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5142
#endif
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5143
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5144
	status = er32(STATUS);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5145
	if (status & E1000_STATUS_LU)
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5146
		wufc &= ~E1000_WUFC_LNKC;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5147
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5148
	if (wufc) {
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5149
		e1000_setup_rctl(adapter);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5150
		e1000_set_rx_mode(netdev);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5151
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5152
		rctl = er32(RCTL);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5153
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5154
		/* turn on all-multi mode if wake on multicast is enabled */
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5155
		if (wufc & E1000_WUFC_MC)
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5156
			rctl |= E1000_RCTL_MPE;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5157
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5158
		/* enable receives in the hardware */
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5159
		ew32(RCTL, rctl | E1000_RCTL_EN);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5160
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5161
		if (hw->mac_type >= e1000_82540) {
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5162
			ctrl = er32(CTRL);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5163
			/* advertise wake from D3Cold */
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5164
			#define E1000_CTRL_ADVD3WUC 0x00100000
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5165
			/* phy power management enable */
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5166
			#define E1000_CTRL_EN_PHY_PWR_MGMT 0x00200000
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5167
			ctrl |= E1000_CTRL_ADVD3WUC |
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5168
				E1000_CTRL_EN_PHY_PWR_MGMT;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5169
			ew32(CTRL, ctrl);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5170
		}
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5171
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5172
		if (hw->media_type == e1000_media_type_fiber ||
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5173
		    hw->media_type == e1000_media_type_internal_serdes) {
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5174
			/* keep the laser running in D3 */
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5175
			ctrl_ext = er32(CTRL_EXT);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5176
			ctrl_ext |= E1000_CTRL_EXT_SDP7_DATA;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5177
			ew32(CTRL_EXT, ctrl_ext);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5178
		}
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5179
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5180
		ew32(WUC, E1000_WUC_PME_EN);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5181
		ew32(WUFC, wufc);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5182
	} else {
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5183
		ew32(WUC, 0);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5184
		ew32(WUFC, 0);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5185
	}
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5186
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5187
	e1000_release_manageability(adapter);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5188
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5189
	*enable_wake = !!wufc;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5190
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5191
	/* make sure adapter isn't asleep if manageability is enabled */
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5192
	if (adapter->en_mng_pt)
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5193
		*enable_wake = true;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5194
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5195
	if (netif_running(netdev))
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5196
		e1000_free_irq(adapter);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5197
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5198
	pci_disable_device(pdev);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5199
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5200
	return 0;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5201
}
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5202
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5203
#ifdef CONFIG_PM
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5204
static int e1000_suspend(struct pci_dev *pdev, pm_message_t state)
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5205
{
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5206
	int retval;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5207
	bool wake;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5208
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5209
	retval = __e1000_shutdown(pdev, &wake);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5210
	if (retval)
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5211
		return retval;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5212
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5213
	if (wake) {
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5214
		pci_prepare_to_sleep(pdev);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5215
	} else {
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5216
		pci_wake_from_d3(pdev, false);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5217
		pci_set_power_state(pdev, PCI_D3hot);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5218
	}
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5219
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5220
	return 0;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5221
}
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5222
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5223
static int e1000_resume(struct pci_dev *pdev)
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5224
{
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5225
	struct net_device *netdev = pci_get_drvdata(pdev);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5226
	struct e1000_adapter *adapter = netdev_priv(netdev);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5227
	struct e1000_hw *hw = &adapter->hw;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5228
	u32 err;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5229
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5230
	if (adapter->ecdev) {
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5231
		return -EBUSY;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5232
	}
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5233
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5234
	pci_set_power_state(pdev, PCI_D0);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5235
	pci_restore_state(pdev);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5236
	pci_save_state(pdev);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5237
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5238
	if (adapter->need_ioport)
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5239
		err = pci_enable_device(pdev);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5240
	else
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5241
		err = pci_enable_device_mem(pdev);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5242
	if (err) {
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5243
		pr_err("Cannot enable PCI device from suspend\n");
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5244
		return err;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5245
	}
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5246
	pci_set_master(pdev);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5247
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5248
	pci_enable_wake(pdev, PCI_D3hot, 0);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5249
	pci_enable_wake(pdev, PCI_D3cold, 0);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5250
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5251
	if (netif_running(netdev)) {
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5252
		err = e1000_request_irq(adapter);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5253
		if (err)
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5254
			return err;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5255
	}
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5256
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5257
	e1000_power_up_phy(adapter);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5258
	e1000_reset(adapter);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5259
	ew32(WUS, ~0);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5260
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5261
	e1000_init_manageability(adapter);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5262
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5263
	if (netif_running(netdev))
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5264
		e1000_up(adapter);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5265
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5266
	if (!adapter->ecdev) {
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5267
		netif_device_attach(netdev);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5268
	}
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5269
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5270
	return 0;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5271
}
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5272
#endif
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5273
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5274
static void e1000_shutdown(struct pci_dev *pdev)
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5275
{
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5276
	bool wake;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5277
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5278
	__e1000_shutdown(pdev, &wake);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5279
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5280
	if (system_state == SYSTEM_POWER_OFF) {
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5281
		pci_wake_from_d3(pdev, wake);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5282
		pci_set_power_state(pdev, PCI_D3hot);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5283
	}
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5284
}
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5285
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5286
#ifdef CONFIG_NET_POLL_CONTROLLER
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5287
/*
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5288
 * Polling 'interrupt' - used by things like netconsole to send skbs
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5289
 * without having to re-enable interrupts. It's not called while
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5290
 * the interrupt routine is executing.
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5291
 */
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5292
static void e1000_netpoll(struct net_device *netdev)
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5293
{
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5294
	struct e1000_adapter *adapter = netdev_priv(netdev);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5295
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5296
	disable_irq(adapter->pdev->irq);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5297
	e1000_intr(adapter->pdev->irq, netdev);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5298
	enable_irq(adapter->pdev->irq);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5299
}
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5300
#endif
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5301
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5302
/**
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5303
 * e1000_io_error_detected - called when PCI error is detected
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5304
 * @pdev: Pointer to PCI device
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5305
 * @state: The current pci connection state
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5306
 *
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5307
 * This function is called after a PCI bus error affecting
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5308
 * this device has been detected.
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5309
 */
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5310
static pci_ers_result_t e1000_io_error_detected(struct pci_dev *pdev,
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5311
						pci_channel_state_t state)
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5312
{
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5313
	struct net_device *netdev = pci_get_drvdata(pdev);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5314
	struct e1000_adapter *adapter = netdev_priv(netdev);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5315
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5316
	netif_device_detach(netdev);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5317
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5318
	if (state == pci_channel_io_perm_failure)
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5319
		return PCI_ERS_RESULT_DISCONNECT;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5320
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5321
	if (netif_running(netdev))
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5322
		e1000_down(adapter);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5323
	pci_disable_device(pdev);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5324
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5325
	/* Request a slot slot reset. */
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5326
	return PCI_ERS_RESULT_NEED_RESET;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5327
}
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5328
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5329
/**
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5330
 * e1000_io_slot_reset - called after the pci bus has been reset.
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5331
 * @pdev: Pointer to PCI device
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5332
 *
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5333
 * Restart the card from scratch, as if from a cold-boot. Implementation
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5334
 * resembles the first-half of the e1000_resume routine.
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5335
 */
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5336
static pci_ers_result_t e1000_io_slot_reset(struct pci_dev *pdev)
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5337
{
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5338
	struct net_device *netdev = pci_get_drvdata(pdev);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5339
	struct e1000_adapter *adapter = netdev_priv(netdev);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5340
	struct e1000_hw *hw = &adapter->hw;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5341
	int err;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5342
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5343
	if (adapter->need_ioport)
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5344
		err = pci_enable_device(pdev);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5345
	else
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5346
		err = pci_enable_device_mem(pdev);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5347
	if (err) {
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5348
		pr_err("Cannot re-enable PCI device after reset.\n");
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5349
		return PCI_ERS_RESULT_DISCONNECT;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5350
	}
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5351
	pci_set_master(pdev);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5352
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5353
	pci_enable_wake(pdev, PCI_D3hot, 0);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5354
	pci_enable_wake(pdev, PCI_D3cold, 0);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5355
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5356
	e1000_reset(adapter);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5357
	ew32(WUS, ~0);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5358
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5359
	return PCI_ERS_RESULT_RECOVERED;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5360
}
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5361
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5362
/**
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5363
 * e1000_io_resume - called when traffic can start flowing again.
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5364
 * @pdev: Pointer to PCI device
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5365
 *
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5366
 * This callback is called when the error recovery driver tells us that
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5367
 * its OK to resume normal operation. Implementation resembles the
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5368
 * second-half of the e1000_resume routine.
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5369
 */
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5370
static void e1000_io_resume(struct pci_dev *pdev)
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5371
{
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5372
	struct net_device *netdev = pci_get_drvdata(pdev);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5373
	struct e1000_adapter *adapter = netdev_priv(netdev);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5374
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5375
	e1000_init_manageability(adapter);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5376
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5377
	if (netif_running(netdev)) {
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5378
		if (e1000_up(adapter)) {
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5379
			pr_info("can't bring device back up after reset\n");
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5380
			return;
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5381
		}
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5382
	}
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5383
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5384
	netif_device_attach(netdev);
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5385
}
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5386
80177f7aa836 Added e1000 driver for kernel 3.6.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5387
/* e1000_main.c */