devices/e1000/e1000_main-2.6.20-orig.c
author Florian Pose <fp@igh-essen.com>
Thu, 23 Apr 2009 14:45:07 +0000
changeset 1413 44c2b7c0ae1a
parent 680 48c2dbc12bde
permissions -rw-r--r--
Userspace library implementation of DC functions.
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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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*******************************************************************************/
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#include "e1000.h"
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#include <net/ip6_checksum.h>
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char e1000_driver_name[] = "e1000";
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static char e1000_driver_string[] = "Intel(R) PRO/1000 Network Driver";
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#ifndef CONFIG_E1000_NAPI
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#define DRIVERNAPI
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#else
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#define DRIVERNAPI "-NAPI"
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#endif
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#define DRV_VERSION "7.3.15-k2"DRIVERNAPI
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char e1000_driver_version[] = DRV_VERSION;
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static 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 struct pci_device_id 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(0x1049),
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	INTEL_E1000_ETHERNET_DEVICE(0x104A),
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	INTEL_E1000_ETHERNET_DEVICE(0x104B),
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	INTEL_E1000_ETHERNET_DEVICE(0x104C),
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	INTEL_E1000_ETHERNET_DEVICE(0x104D),
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	INTEL_E1000_ETHERNET_DEVICE(0x105E),
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	INTEL_E1000_ETHERNET_DEVICE(0x105F),
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	INTEL_E1000_ETHERNET_DEVICE(0x1060),
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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(0x107D),
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	INTEL_E1000_ETHERNET_DEVICE(0x107E),
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	INTEL_E1000_ETHERNET_DEVICE(0x107F),
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	INTEL_E1000_ETHERNET_DEVICE(0x108A),
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	INTEL_E1000_ETHERNET_DEVICE(0x108B),
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	INTEL_E1000_ETHERNET_DEVICE(0x108C),
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	INTEL_E1000_ETHERNET_DEVICE(0x1096),
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	INTEL_E1000_ETHERNET_DEVICE(0x1098),
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	INTEL_E1000_ETHERNET_DEVICE(0x1099),
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	INTEL_E1000_ETHERNET_DEVICE(0x109A),
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	INTEL_E1000_ETHERNET_DEVICE(0x10A4),
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	INTEL_E1000_ETHERNET_DEVICE(0x10B5),
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	INTEL_E1000_ETHERNET_DEVICE(0x10B9),
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	INTEL_E1000_ETHERNET_DEVICE(0x10BA),
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	INTEL_E1000_ETHERNET_DEVICE(0x10BB),
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	INTEL_E1000_ETHERNET_DEVICE(0x10BC),
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	INTEL_E1000_ETHERNET_DEVICE(0x10C4),
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	INTEL_E1000_ETHERNET_DEVICE(0x10C5),
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	/* required last entry */
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	{0,}
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};
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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_set_spd_dplx(struct e1000_adapter *adapter, uint16_t spddplx);
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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_multi(struct net_device *netdev);
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static void e1000_update_phy_info(unsigned long data);
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static void e1000_watchdog(unsigned long data);
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static void e1000_82547_tx_fifo_stall(unsigned long data);
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static int e1000_xmit_frame(struct sk_buff *skb, 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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static irqreturn_t e1000_intr(int irq, void *data);
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#ifdef CONFIG_PCI_MSI
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static irqreturn_t e1000_intr_msi(int irq, void *data);
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#endif
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static boolean_t e1000_clean_tx_irq(struct e1000_adapter *adapter,
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                                    struct e1000_tx_ring *tx_ring);
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#ifdef CONFIG_E1000_NAPI
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static int e1000_clean(struct net_device *poll_dev, int *budget);
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static boolean_t 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 boolean_t e1000_clean_rx_irq_ps(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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#else
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static boolean_t e1000_clean_rx_irq(struct e1000_adapter *adapter,
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                                    struct e1000_rx_ring *rx_ring);
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static boolean_t e1000_clean_rx_irq_ps(struct e1000_adapter *adapter,
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                                       struct e1000_rx_ring *rx_ring);
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#endif
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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_rx_buffers_ps(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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void e1000_set_ethtool_ops(struct net_device *netdev);
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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 void e1000_vlan_rx_register(struct net_device *netdev, struct vlan_group *grp);
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static void e1000_vlan_rx_add_vid(struct net_device *netdev, uint16_t vid);
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static void e1000_vlan_rx_kill_vid(struct net_device *netdev, uint16_t vid);
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static void e1000_restore_vlan(struct e1000_adapter *adapter);
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static int e1000_suspend(struct pci_dev *pdev, pm_message_t state);
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#ifdef CONFIG_PM
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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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extern void e1000_check_options(struct e1000_adapter *adapter);
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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 Managment 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("Intel Corporation, <linux.nics@intel.com>");
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MODULE_DESCRIPTION("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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static int debug = NETIF_MSG_DRV | NETIF_MSG_PROBE;
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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_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
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   264
e1000_init_module(void)
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{
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   266
	int ret;
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   267
	printk(KERN_INFO "%s - version %s\n",
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   268
	       e1000_driver_string, e1000_driver_version);
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   270
	printk(KERN_INFO "%s\n", e1000_copyright);
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	ret = pci_register_driver(&e1000_driver);
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   273
	if (copybreak != COPYBREAK_DEFAULT) {
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   274
		if (copybreak == 0)
48c2dbc12bde Added e1000 driver for 2.6.20.
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   275
			printk(KERN_INFO "e1000: copybreak disabled\n");
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		else
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			printk(KERN_INFO "e1000: copybreak enabled for "
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			       "packets <= %u bytes\n", copybreak);
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   279
	}
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	return ret;
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   281
}
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   283
module_init(e1000_init_module);
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/**
48c2dbc12bde Added e1000 driver for 2.6.20.
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 * e1000_exit_module - Driver Exit Cleanup Routine
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   287
 *
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   288
 * e1000_exit_module is called just before the driver is removed
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   289
 * from memory.
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 **/
48c2dbc12bde Added e1000 driver for 2.6.20.
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   291
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   292
static void __exit
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   293
e1000_exit_module(void)
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{
48c2dbc12bde Added e1000 driver for 2.6.20.
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   295
	pci_unregister_driver(&e1000_driver);
48c2dbc12bde Added e1000 driver for 2.6.20.
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   296
}
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   297
48c2dbc12bde Added e1000 driver for 2.6.20.
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   298
module_exit(e1000_exit_module);
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   299
48c2dbc12bde Added e1000 driver for 2.6.20.
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   300
static int e1000_request_irq(struct e1000_adapter *adapter)
48c2dbc12bde Added e1000 driver for 2.6.20.
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{
48c2dbc12bde Added e1000 driver for 2.6.20.
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   302
	struct net_device *netdev = adapter->netdev;
48c2dbc12bde Added e1000 driver for 2.6.20.
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   303
	int flags, err = 0;
48c2dbc12bde Added e1000 driver for 2.6.20.
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   304
48c2dbc12bde Added e1000 driver for 2.6.20.
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   305
	flags = IRQF_SHARED;
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   306
#ifdef CONFIG_PCI_MSI
48c2dbc12bde Added e1000 driver for 2.6.20.
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   307
	if (adapter->hw.mac_type >= e1000_82571) {
48c2dbc12bde Added e1000 driver for 2.6.20.
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   308
		adapter->have_msi = TRUE;
48c2dbc12bde Added e1000 driver for 2.6.20.
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   309
		if ((err = pci_enable_msi(adapter->pdev))) {
48c2dbc12bde Added e1000 driver for 2.6.20.
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			DPRINTK(PROBE, ERR,
48c2dbc12bde Added e1000 driver for 2.6.20.
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   311
			 "Unable to allocate MSI interrupt Error: %d\n", err);
48c2dbc12bde Added e1000 driver for 2.6.20.
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   312
			adapter->have_msi = FALSE;
48c2dbc12bde Added e1000 driver for 2.6.20.
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   313
		}
48c2dbc12bde Added e1000 driver for 2.6.20.
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   314
	}
48c2dbc12bde Added e1000 driver for 2.6.20.
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   315
	if (adapter->have_msi) {
48c2dbc12bde Added e1000 driver for 2.6.20.
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   316
		flags &= ~IRQF_SHARED;
48c2dbc12bde Added e1000 driver for 2.6.20.
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   317
		err = request_irq(adapter->pdev->irq, &e1000_intr_msi, flags,
48c2dbc12bde Added e1000 driver for 2.6.20.
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   318
		                  netdev->name, netdev);
48c2dbc12bde Added e1000 driver for 2.6.20.
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   319
		if (err)
48c2dbc12bde Added e1000 driver for 2.6.20.
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   320
			DPRINTK(PROBE, ERR,
48c2dbc12bde Added e1000 driver for 2.6.20.
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   321
			       "Unable to allocate interrupt Error: %d\n", err);
48c2dbc12bde Added e1000 driver for 2.6.20.
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diff changeset
   322
	} else
48c2dbc12bde Added e1000 driver for 2.6.20.
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   323
#endif
48c2dbc12bde Added e1000 driver for 2.6.20.
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diff changeset
   324
	if ((err = request_irq(adapter->pdev->irq, &e1000_intr, flags,
48c2dbc12bde Added e1000 driver for 2.6.20.
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parents:
diff changeset
   325
	                       netdev->name, netdev)))
48c2dbc12bde Added e1000 driver for 2.6.20.
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   326
		DPRINTK(PROBE, ERR,
48c2dbc12bde Added e1000 driver for 2.6.20.
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   327
		        "Unable to allocate interrupt Error: %d\n", err);
48c2dbc12bde Added e1000 driver for 2.6.20.
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   328
48c2dbc12bde Added e1000 driver for 2.6.20.
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   329
	return err;
48c2dbc12bde Added e1000 driver for 2.6.20.
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parents:
diff changeset
   330
}
48c2dbc12bde Added e1000 driver for 2.6.20.
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   331
48c2dbc12bde Added e1000 driver for 2.6.20.
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   332
static void e1000_free_irq(struct e1000_adapter *adapter)
48c2dbc12bde Added e1000 driver for 2.6.20.
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   333
{
48c2dbc12bde Added e1000 driver for 2.6.20.
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parents:
diff changeset
   334
	struct net_device *netdev = adapter->netdev;
48c2dbc12bde Added e1000 driver for 2.6.20.
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parents:
diff changeset
   335
48c2dbc12bde Added e1000 driver for 2.6.20.
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parents:
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   336
	free_irq(adapter->pdev->irq, netdev);
48c2dbc12bde Added e1000 driver for 2.6.20.
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   337
48c2dbc12bde Added e1000 driver for 2.6.20.
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   338
#ifdef CONFIG_PCI_MSI
48c2dbc12bde Added e1000 driver for 2.6.20.
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   339
	if (adapter->have_msi)
48c2dbc12bde Added e1000 driver for 2.6.20.
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   340
		pci_disable_msi(adapter->pdev);
48c2dbc12bde Added e1000 driver for 2.6.20.
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parents:
diff changeset
   341
#endif
48c2dbc12bde Added e1000 driver for 2.6.20.
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parents:
diff changeset
   342
}
48c2dbc12bde Added e1000 driver for 2.6.20.
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parents:
diff changeset
   343
48c2dbc12bde Added e1000 driver for 2.6.20.
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parents:
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   344
/**
48c2dbc12bde Added e1000 driver for 2.6.20.
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parents:
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   345
 * e1000_irq_disable - Mask off interrupt generation on the NIC
48c2dbc12bde Added e1000 driver for 2.6.20.
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parents:
diff changeset
   346
 * @adapter: board private structure
48c2dbc12bde Added e1000 driver for 2.6.20.
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   347
 **/
48c2dbc12bde Added e1000 driver for 2.6.20.
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parents:
diff changeset
   348
48c2dbc12bde Added e1000 driver for 2.6.20.
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diff changeset
   349
static void
48c2dbc12bde Added e1000 driver for 2.6.20.
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diff changeset
   350
e1000_irq_disable(struct e1000_adapter *adapter)
48c2dbc12bde Added e1000 driver for 2.6.20.
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parents:
diff changeset
   351
{
48c2dbc12bde Added e1000 driver for 2.6.20.
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diff changeset
   352
	atomic_inc(&adapter->irq_sem);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
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diff changeset
   353
	E1000_WRITE_REG(&adapter->hw, IMC, ~0);
48c2dbc12bde Added e1000 driver for 2.6.20.
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parents:
diff changeset
   354
	E1000_WRITE_FLUSH(&adapter->hw);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   355
	synchronize_irq(adapter->pdev->irq);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   356
}
48c2dbc12bde Added e1000 driver for 2.6.20.
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parents:
diff changeset
   357
48c2dbc12bde Added e1000 driver for 2.6.20.
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parents:
diff changeset
   358
/**
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   359
 * e1000_irq_enable - Enable default interrupt generation settings
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   360
 * @adapter: board private structure
48c2dbc12bde Added e1000 driver for 2.6.20.
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parents:
diff changeset
   361
 **/
48c2dbc12bde Added e1000 driver for 2.6.20.
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parents:
diff changeset
   362
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   363
static void
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   364
e1000_irq_enable(struct e1000_adapter *adapter)
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   365
{
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   366
	if (likely(atomic_dec_and_test(&adapter->irq_sem))) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   367
		E1000_WRITE_REG(&adapter->hw, IMS, IMS_ENABLE_MASK);
48c2dbc12bde Added e1000 driver for 2.6.20.
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parents:
diff changeset
   368
		E1000_WRITE_FLUSH(&adapter->hw);
48c2dbc12bde Added e1000 driver for 2.6.20.
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parents:
diff changeset
   369
	}
48c2dbc12bde Added e1000 driver for 2.6.20.
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parents:
diff changeset
   370
}
48c2dbc12bde Added e1000 driver for 2.6.20.
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parents:
diff changeset
   371
48c2dbc12bde Added e1000 driver for 2.6.20.
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parents:
diff changeset
   372
static void
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   373
e1000_update_mng_vlan(struct e1000_adapter *adapter)
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   374
{
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   375
	struct net_device *netdev = adapter->netdev;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   376
	uint16_t vid = adapter->hw.mng_cookie.vlan_id;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   377
	uint16_t old_vid = adapter->mng_vlan_id;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   378
	if (adapter->vlgrp) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   379
		if (!adapter->vlgrp->vlan_devices[vid]) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   380
			if (adapter->hw.mng_cookie.status &
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   381
				E1000_MNG_DHCP_COOKIE_STATUS_VLAN_SUPPORT) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   382
				e1000_vlan_rx_add_vid(netdev, vid);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   383
				adapter->mng_vlan_id = vid;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   384
			} else
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   385
				adapter->mng_vlan_id = E1000_MNG_VLAN_NONE;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   386
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   387
			if ((old_vid != (uint16_t)E1000_MNG_VLAN_NONE) &&
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   388
					(vid != old_vid) &&
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   389
					!adapter->vlgrp->vlan_devices[old_vid])
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   390
				e1000_vlan_rx_kill_vid(netdev, old_vid);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   391
		} else
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   392
			adapter->mng_vlan_id = vid;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   393
	}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   394
}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   395
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   396
/**
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   397
 * e1000_release_hw_control - release control of the h/w to f/w
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   398
 * @adapter: address of board private structure
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   399
 *
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   400
 * e1000_release_hw_control resets {CTRL_EXT|FWSM}:DRV_LOAD bit.
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   401
 * For ASF and Pass Through versions of f/w this means that the
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   402
 * driver is no longer loaded. For AMT version (only with 82573) i
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   403
 * of the f/w this means that the network i/f is closed.
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   404
 *
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   405
 **/
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   406
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   407
static void
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   408
e1000_release_hw_control(struct e1000_adapter *adapter)
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   409
{
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   410
	uint32_t ctrl_ext;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   411
	uint32_t swsm;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   412
	uint32_t extcnf;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   413
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   414
	/* Let firmware taken over control of h/w */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   415
	switch (adapter->hw.mac_type) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   416
	case e1000_82571:
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   417
	case e1000_82572:
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   418
	case e1000_80003es2lan:
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   419
		ctrl_ext = E1000_READ_REG(&adapter->hw, CTRL_EXT);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   420
		E1000_WRITE_REG(&adapter->hw, CTRL_EXT,
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   421
				ctrl_ext & ~E1000_CTRL_EXT_DRV_LOAD);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   422
		break;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   423
	case e1000_82573:
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   424
		swsm = E1000_READ_REG(&adapter->hw, SWSM);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   425
		E1000_WRITE_REG(&adapter->hw, SWSM,
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   426
				swsm & ~E1000_SWSM_DRV_LOAD);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   427
	case e1000_ich8lan:
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   428
		extcnf = E1000_READ_REG(&adapter->hw, CTRL_EXT);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   429
		E1000_WRITE_REG(&adapter->hw, CTRL_EXT,
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   430
				extcnf & ~E1000_CTRL_EXT_DRV_LOAD);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   431
		break;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   432
	default:
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   433
		break;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   434
	}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   435
}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   436
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   437
/**
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   438
 * e1000_get_hw_control - get control of the h/w from f/w
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   439
 * @adapter: address of board private structure
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   440
 *
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   441
 * e1000_get_hw_control sets {CTRL_EXT|FWSM}:DRV_LOAD bit.
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   442
 * For ASF and Pass Through versions of f/w this means that
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   443
 * the driver is loaded. For AMT version (only with 82573)
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   444
 * of the f/w this means that the network i/f is open.
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   445
 *
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   446
 **/
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   447
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   448
static void
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   449
e1000_get_hw_control(struct e1000_adapter *adapter)
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   450
{
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   451
	uint32_t ctrl_ext;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   452
	uint32_t swsm;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   453
	uint32_t extcnf;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   454
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   455
	/* Let firmware know the driver has taken over */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   456
	switch (adapter->hw.mac_type) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   457
	case e1000_82571:
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   458
	case e1000_82572:
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   459
	case e1000_80003es2lan:
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   460
		ctrl_ext = E1000_READ_REG(&adapter->hw, CTRL_EXT);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   461
		E1000_WRITE_REG(&adapter->hw, CTRL_EXT,
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   462
				ctrl_ext | E1000_CTRL_EXT_DRV_LOAD);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   463
		break;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   464
	case e1000_82573:
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   465
		swsm = E1000_READ_REG(&adapter->hw, SWSM);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   466
		E1000_WRITE_REG(&adapter->hw, SWSM,
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   467
				swsm | E1000_SWSM_DRV_LOAD);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   468
		break;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   469
	case e1000_ich8lan:
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   470
		extcnf = E1000_READ_REG(&adapter->hw, EXTCNF_CTRL);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   471
		E1000_WRITE_REG(&adapter->hw, EXTCNF_CTRL,
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   472
				extcnf | E1000_EXTCNF_CTRL_SWFLAG);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   473
		break;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   474
	default:
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   475
		break;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   476
	}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   477
}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   478
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   479
static void
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   480
e1000_init_manageability(struct e1000_adapter *adapter)
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   481
{
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   482
	if (adapter->en_mng_pt) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   483
		uint32_t manc = E1000_READ_REG(&adapter->hw, MANC);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   484
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   485
		/* disable hardware interception of ARP */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   486
		manc &= ~(E1000_MANC_ARP_EN);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   487
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   488
		/* enable receiving management packets to the host */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   489
		/* this will probably generate destination unreachable messages
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   490
		 * from the host OS, but the packets will be handled on SMBUS */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   491
		if (adapter->hw.has_manc2h) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   492
			uint32_t manc2h = E1000_READ_REG(&adapter->hw, MANC2H);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   493
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   494
			manc |= E1000_MANC_EN_MNG2HOST;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   495
#define E1000_MNG2HOST_PORT_623 (1 << 5)
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   496
#define E1000_MNG2HOST_PORT_664 (1 << 6)
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   497
			manc2h |= E1000_MNG2HOST_PORT_623;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   498
			manc2h |= E1000_MNG2HOST_PORT_664;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   499
			E1000_WRITE_REG(&adapter->hw, MANC2H, manc2h);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   500
		}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   501
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   502
		E1000_WRITE_REG(&adapter->hw, MANC, manc);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   503
	}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   504
}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   505
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   506
static void
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   507
e1000_release_manageability(struct e1000_adapter *adapter)
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   508
{
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   509
	if (adapter->en_mng_pt) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   510
		uint32_t manc = E1000_READ_REG(&adapter->hw, MANC);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   511
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   512
		/* re-enable hardware interception of ARP */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   513
		manc |= E1000_MANC_ARP_EN;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   514
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   515
		if (adapter->hw.has_manc2h)
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   516
			manc &= ~E1000_MANC_EN_MNG2HOST;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   517
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   518
		/* don't explicitly have to mess with MANC2H since
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   519
		 * MANC has an enable disable that gates MANC2H */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   520
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   521
		E1000_WRITE_REG(&adapter->hw, MANC, manc);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   522
	}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   523
}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   524
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   525
int
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   526
e1000_up(struct e1000_adapter *adapter)
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   527
{
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   528
	struct net_device *netdev = adapter->netdev;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   529
	int i;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   530
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   531
	/* hardware has been reset, we need to reload some things */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   532
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   533
	e1000_set_multi(netdev);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   534
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   535
	e1000_restore_vlan(adapter);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   536
	e1000_init_manageability(adapter);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   537
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   538
	e1000_configure_tx(adapter);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   539
	e1000_setup_rctl(adapter);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   540
	e1000_configure_rx(adapter);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   541
	/* call E1000_DESC_UNUSED which always leaves
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   542
	 * at least 1 descriptor unused to make sure
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   543
	 * next_to_use != next_to_clean */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   544
	for (i = 0; i < adapter->num_rx_queues; i++) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   545
		struct e1000_rx_ring *ring = &adapter->rx_ring[i];
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   546
		adapter->alloc_rx_buf(adapter, ring,
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   547
		                      E1000_DESC_UNUSED(ring));
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   548
	}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   549
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   550
	adapter->tx_queue_len = netdev->tx_queue_len;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   551
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   552
#ifdef CONFIG_E1000_NAPI
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   553
	netif_poll_enable(netdev);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   554
#endif
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   555
	e1000_irq_enable(adapter);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   556
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   557
	clear_bit(__E1000_DOWN, &adapter->flags);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   558
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   559
	/* fire a link change interrupt to start the watchdog */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   560
	E1000_WRITE_REG(&adapter->hw, ICS, E1000_ICS_LSC);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   561
	return 0;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   562
}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   563
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   564
/**
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   565
 * e1000_power_up_phy - restore link in case the phy was powered down
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   566
 * @adapter: address of board private structure
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   567
 *
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   568
 * The phy may be powered down to save power and turn off link when the
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   569
 * driver is unloaded and wake on lan is not enabled (among others)
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   570
 * *** this routine MUST be followed by a call to e1000_reset ***
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   571
 *
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   572
 **/
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   573
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   574
void e1000_power_up_phy(struct e1000_adapter *adapter)
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   575
{
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   576
	uint16_t mii_reg = 0;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   577
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   578
	/* Just clear the power down bit to wake the phy back up */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   579
	if (adapter->hw.media_type == e1000_media_type_copper) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   580
		/* according to the manual, the phy will retain its
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   581
		 * settings across a power-down/up cycle */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   582
		e1000_read_phy_reg(&adapter->hw, PHY_CTRL, &mii_reg);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   583
		mii_reg &= ~MII_CR_POWER_DOWN;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   584
		e1000_write_phy_reg(&adapter->hw, PHY_CTRL, mii_reg);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   585
	}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   586
}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   587
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   588
static void e1000_power_down_phy(struct e1000_adapter *adapter)
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   589
{
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   590
	/* Power down the PHY so no link is implied when interface is down *
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   591
	 * The PHY cannot be powered down if any of the following is TRUE *
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   592
	 * (a) WoL is enabled
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   593
	 * (b) AMT is active
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   594
	 * (c) SoL/IDER session is active */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   595
	if (!adapter->wol && adapter->hw.mac_type >= e1000_82540 &&
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   596
	   adapter->hw.media_type == e1000_media_type_copper) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   597
		uint16_t mii_reg = 0;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   598
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   599
		switch (adapter->hw.mac_type) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   600
		case e1000_82540:
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   601
		case e1000_82545:
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   602
		case e1000_82545_rev_3:
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   603
		case e1000_82546:
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   604
		case e1000_82546_rev_3:
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   605
		case e1000_82541:
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   606
		case e1000_82541_rev_2:
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   607
		case e1000_82547:
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   608
		case e1000_82547_rev_2:
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   609
			if (E1000_READ_REG(&adapter->hw, MANC) &
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   610
			    E1000_MANC_SMBUS_EN)
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   611
				goto out;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   612
			break;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   613
		case e1000_82571:
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   614
		case e1000_82572:
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   615
		case e1000_82573:
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   616
		case e1000_80003es2lan:
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   617
		case e1000_ich8lan:
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   618
			if (e1000_check_mng_mode(&adapter->hw) ||
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   619
			    e1000_check_phy_reset_block(&adapter->hw))
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   620
				goto out;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   621
			break;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   622
		default:
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   623
			goto out;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   624
		}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   625
		e1000_read_phy_reg(&adapter->hw, PHY_CTRL, &mii_reg);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   626
		mii_reg |= MII_CR_POWER_DOWN;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   627
		e1000_write_phy_reg(&adapter->hw, PHY_CTRL, mii_reg);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   628
		mdelay(1);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   629
	}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   630
out:
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   631
	return;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   632
}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   633
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   634
void
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   635
e1000_down(struct e1000_adapter *adapter)
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   636
{
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   637
	struct net_device *netdev = adapter->netdev;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   638
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   639
	/* signal that we're down so the interrupt handler does not
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   640
	 * reschedule our watchdog timer */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   641
	set_bit(__E1000_DOWN, &adapter->flags);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   642
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   643
	e1000_irq_disable(adapter);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   644
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   645
	del_timer_sync(&adapter->tx_fifo_stall_timer);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   646
	del_timer_sync(&adapter->watchdog_timer);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   647
	del_timer_sync(&adapter->phy_info_timer);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   648
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   649
#ifdef CONFIG_E1000_NAPI
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   650
	netif_poll_disable(netdev);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   651
#endif
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   652
	netdev->tx_queue_len = adapter->tx_queue_len;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   653
	adapter->link_speed = 0;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   654
	adapter->link_duplex = 0;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   655
	netif_carrier_off(netdev);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   656
	netif_stop_queue(netdev);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   657
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   658
	e1000_reset(adapter);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   659
	e1000_clean_all_tx_rings(adapter);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   660
	e1000_clean_all_rx_rings(adapter);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   661
}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   662
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   663
void
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   664
e1000_reinit_locked(struct e1000_adapter *adapter)
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   665
{
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   666
	WARN_ON(in_interrupt());
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   667
	while (test_and_set_bit(__E1000_RESETTING, &adapter->flags))
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   668
		msleep(1);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   669
	e1000_down(adapter);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   670
	e1000_up(adapter);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   671
	clear_bit(__E1000_RESETTING, &adapter->flags);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   672
}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   673
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   674
void
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   675
e1000_reset(struct e1000_adapter *adapter)
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   676
{
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   677
	uint32_t pba = 0, tx_space, min_tx_space, min_rx_space;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   678
	uint16_t fc_high_water_mark = E1000_FC_HIGH_DIFF;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   679
	boolean_t legacy_pba_adjust = FALSE;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   680
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   681
	/* Repartition Pba for greater than 9k mtu
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   682
	 * To take effect CTRL.RST is required.
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   683
	 */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   684
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   685
	switch (adapter->hw.mac_type) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   686
	case e1000_82542_rev2_0:
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   687
	case e1000_82542_rev2_1:
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   688
	case e1000_82543:
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   689
	case e1000_82544:
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   690
	case e1000_82540:
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   691
	case e1000_82541:
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   692
	case e1000_82541_rev_2:
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   693
		legacy_pba_adjust = TRUE;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   694
		pba = E1000_PBA_48K;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   695
		break;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   696
	case e1000_82545:
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   697
	case e1000_82545_rev_3:
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   698
	case e1000_82546:
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   699
	case e1000_82546_rev_3:
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   700
		pba = E1000_PBA_48K;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   701
		break;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   702
	case e1000_82547:
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   703
	case e1000_82547_rev_2:
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   704
		legacy_pba_adjust = TRUE;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   705
		pba = E1000_PBA_30K;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   706
		break;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   707
	case e1000_82571:
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   708
	case e1000_82572:
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   709
	case e1000_80003es2lan:
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   710
		pba = E1000_PBA_38K;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   711
		break;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   712
	case e1000_82573:
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   713
		pba = E1000_PBA_20K;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   714
		break;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   715
	case e1000_ich8lan:
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   716
		pba = E1000_PBA_8K;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   717
	case e1000_undefined:
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   718
	case e1000_num_macs:
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   719
		break;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   720
	}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   721
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   722
	if (legacy_pba_adjust == TRUE) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   723
		if (adapter->netdev->mtu > E1000_RXBUFFER_8192)
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   724
			pba -= 8; /* allocate more FIFO for Tx */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   725
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   726
		if (adapter->hw.mac_type == e1000_82547) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   727
			adapter->tx_fifo_head = 0;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   728
			adapter->tx_head_addr = pba << E1000_TX_HEAD_ADDR_SHIFT;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   729
			adapter->tx_fifo_size =
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   730
				(E1000_PBA_40K - pba) << E1000_PBA_BYTES_SHIFT;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   731
			atomic_set(&adapter->tx_fifo_stall, 0);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   732
		}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   733
	} else if (adapter->hw.max_frame_size > MAXIMUM_ETHERNET_FRAME_SIZE) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   734
		/* adjust PBA for jumbo frames */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   735
		E1000_WRITE_REG(&adapter->hw, PBA, pba);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   736
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   737
		/* To maintain wire speed transmits, the Tx FIFO should be
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   738
		 * large enough to accomodate two full transmit packets,
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   739
		 * rounded up to the next 1KB and expressed in KB.  Likewise,
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   740
		 * the Rx FIFO should be large enough to accomodate at least
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   741
		 * one full receive packet and is similarly rounded up and
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   742
		 * expressed in KB. */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   743
		pba = E1000_READ_REG(&adapter->hw, PBA);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   744
		/* upper 16 bits has Tx packet buffer allocation size in KB */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   745
		tx_space = pba >> 16;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   746
		/* lower 16 bits has Rx packet buffer allocation size in KB */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   747
		pba &= 0xffff;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   748
		/* don't include ethernet FCS because hardware appends/strips */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   749
		min_rx_space = adapter->netdev->mtu + ENET_HEADER_SIZE +
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   750
		               VLAN_TAG_SIZE;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   751
		min_tx_space = min_rx_space;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   752
		min_tx_space *= 2;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   753
		E1000_ROUNDUP(min_tx_space, 1024);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   754
		min_tx_space >>= 10;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   755
		E1000_ROUNDUP(min_rx_space, 1024);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   756
		min_rx_space >>= 10;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   757
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   758
		/* If current Tx allocation is less than the min Tx FIFO size,
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   759
		 * and the min Tx FIFO size is less than the current Rx FIFO
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   760
		 * allocation, take space away from current Rx allocation */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   761
		if (tx_space < min_tx_space &&
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   762
		    ((min_tx_space - tx_space) < pba)) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   763
			pba = pba - (min_tx_space - tx_space);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   764
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   765
			/* PCI/PCIx hardware has PBA alignment constraints */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   766
			switch (adapter->hw.mac_type) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   767
			case e1000_82545 ... e1000_82546_rev_3:
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   768
				pba &= ~(E1000_PBA_8K - 1);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   769
				break;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   770
			default:
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   771
				break;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   772
			}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   773
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   774
			/* if short on rx space, rx wins and must trump tx
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   775
			 * adjustment or use Early Receive if available */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   776
			if (pba < min_rx_space) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   777
				switch (adapter->hw.mac_type) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   778
				case e1000_82573:
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   779
					/* ERT enabled in e1000_configure_rx */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   780
					break;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   781
				default:
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   782
					pba = min_rx_space;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   783
					break;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   784
				}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   785
			}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   786
		}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   787
	}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   788
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   789
	E1000_WRITE_REG(&adapter->hw, PBA, pba);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   790
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   791
	/* flow control settings */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   792
	/* Set the FC high water mark to 90% of the FIFO size.
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   793
	 * Required to clear last 3 LSB */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   794
	fc_high_water_mark = ((pba * 9216)/10) & 0xFFF8;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   795
	/* We can't use 90% on small FIFOs because the remainder
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   796
	 * would be less than 1 full frame.  In this case, we size
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   797
	 * it to allow at least a full frame above the high water
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   798
	 *  mark. */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   799
	if (pba < E1000_PBA_16K)
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   800
		fc_high_water_mark = (pba * 1024) - 1600;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   801
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   802
	adapter->hw.fc_high_water = fc_high_water_mark;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   803
	adapter->hw.fc_low_water = fc_high_water_mark - 8;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   804
	if (adapter->hw.mac_type == e1000_80003es2lan)
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   805
		adapter->hw.fc_pause_time = 0xFFFF;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   806
	else
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   807
		adapter->hw.fc_pause_time = E1000_FC_PAUSE_TIME;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   808
	adapter->hw.fc_send_xon = 1;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   809
	adapter->hw.fc = adapter->hw.original_fc;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   810
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   811
	/* Allow time for pending master requests to run */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   812
	e1000_reset_hw(&adapter->hw);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   813
	if (adapter->hw.mac_type >= e1000_82544)
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   814
		E1000_WRITE_REG(&adapter->hw, WUC, 0);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   815
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   816
	if (e1000_init_hw(&adapter->hw))
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   817
		DPRINTK(PROBE, ERR, "Hardware Error\n");
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   818
	e1000_update_mng_vlan(adapter);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   819
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   820
	/* if (adapter->hwflags & HWFLAGS_PHY_PWR_BIT) { */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   821
	if (adapter->hw.mac_type >= e1000_82544 &&
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   822
	    adapter->hw.mac_type <= e1000_82547_rev_2 &&
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   823
	    adapter->hw.autoneg == 1 &&
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   824
	    adapter->hw.autoneg_advertised == ADVERTISE_1000_FULL) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   825
		uint32_t ctrl = E1000_READ_REG(&adapter->hw, CTRL);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   826
		/* clear phy power management bit if we are in gig only mode,
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   827
		 * which if enabled will attempt negotiation to 100Mb, which
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   828
		 * can cause a loss of link at power off or driver unload */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   829
		ctrl &= ~E1000_CTRL_SWDPIN3;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   830
		E1000_WRITE_REG(&adapter->hw, CTRL, ctrl);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   831
	}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   832
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   833
	/* Enable h/w to recognize an 802.1Q VLAN Ethernet packet */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   834
	E1000_WRITE_REG(&adapter->hw, VET, ETHERNET_IEEE_VLAN_TYPE);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   835
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   836
	e1000_reset_adaptive(&adapter->hw);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   837
	e1000_phy_get_info(&adapter->hw, &adapter->phy_info);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   838
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   839
	if (!adapter->smart_power_down &&
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   840
	    (adapter->hw.mac_type == e1000_82571 ||
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   841
	     adapter->hw.mac_type == e1000_82572)) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   842
		uint16_t phy_data = 0;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   843
		/* speed up time to link by disabling smart power down, ignore
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   844
		 * the return value of this function because there is nothing
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   845
		 * different we would do if it failed */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   846
		e1000_read_phy_reg(&adapter->hw, IGP02E1000_PHY_POWER_MGMT,
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   847
		                   &phy_data);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   848
		phy_data &= ~IGP02E1000_PM_SPD;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   849
		e1000_write_phy_reg(&adapter->hw, IGP02E1000_PHY_POWER_MGMT,
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   850
		                    phy_data);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   851
	}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   852
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   853
	e1000_release_manageability(adapter);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   854
}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   855
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   856
/**
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   857
 * e1000_probe - Device Initialization Routine
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   858
 * @pdev: PCI device information struct
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   859
 * @ent: entry in e1000_pci_tbl
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   860
 *
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   861
 * Returns 0 on success, negative on failure
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   862
 *
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   863
 * e1000_probe initializes an adapter identified by a pci_dev structure.
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   864
 * The OS initialization, configuring of the adapter private structure,
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   865
 * and a hardware reset occur.
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   866
 **/
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   867
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   868
static int __devinit
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   869
e1000_probe(struct pci_dev *pdev,
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   870
            const struct pci_device_id *ent)
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   871
{
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   872
	struct net_device *netdev;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   873
	struct e1000_adapter *adapter;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   874
	unsigned long mmio_start, mmio_len;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   875
	unsigned long flash_start, flash_len;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   876
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   877
	static int cards_found = 0;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   878
	static int global_quad_port_a = 0; /* global ksp3 port a indication */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   879
	int i, err, pci_using_dac;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   880
	uint16_t eeprom_data = 0;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   881
	uint16_t eeprom_apme_mask = E1000_EEPROM_APME;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   882
	if ((err = pci_enable_device(pdev)))
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   883
		return err;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   884
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   885
	if (!(err = pci_set_dma_mask(pdev, DMA_64BIT_MASK)) &&
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   886
	    !(err = pci_set_consistent_dma_mask(pdev, DMA_64BIT_MASK))) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   887
		pci_using_dac = 1;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   888
	} else {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   889
		if ((err = pci_set_dma_mask(pdev, DMA_32BIT_MASK)) &&
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   890
		    (err = pci_set_consistent_dma_mask(pdev, DMA_32BIT_MASK))) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   891
			E1000_ERR("No usable DMA configuration, aborting\n");
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   892
			goto err_dma;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   893
		}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   894
		pci_using_dac = 0;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   895
	}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   896
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   897
	if ((err = pci_request_regions(pdev, e1000_driver_name)))
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   898
		goto err_pci_reg;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   899
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   900
	pci_set_master(pdev);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   901
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   902
	err = -ENOMEM;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   903
	netdev = alloc_etherdev(sizeof(struct e1000_adapter));
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   904
	if (!netdev)
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   905
		goto err_alloc_etherdev;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   906
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   907
	SET_MODULE_OWNER(netdev);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   908
	SET_NETDEV_DEV(netdev, &pdev->dev);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   909
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   910
	pci_set_drvdata(pdev, netdev);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   911
	adapter = netdev_priv(netdev);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   912
	adapter->netdev = netdev;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   913
	adapter->pdev = pdev;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   914
	adapter->hw.back = adapter;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   915
	adapter->msg_enable = (1 << debug) - 1;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   916
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   917
	mmio_start = pci_resource_start(pdev, BAR_0);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   918
	mmio_len = pci_resource_len(pdev, BAR_0);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   919
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   920
	err = -EIO;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   921
	adapter->hw.hw_addr = ioremap(mmio_start, mmio_len);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   922
	if (!adapter->hw.hw_addr)
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   923
		goto err_ioremap;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   924
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   925
	for (i = BAR_1; i <= BAR_5; i++) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   926
		if (pci_resource_len(pdev, i) == 0)
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   927
			continue;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   928
		if (pci_resource_flags(pdev, i) & IORESOURCE_IO) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   929
			adapter->hw.io_base = pci_resource_start(pdev, i);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   930
			break;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   931
		}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   932
	}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   933
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   934
	netdev->open = &e1000_open;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   935
	netdev->stop = &e1000_close;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   936
	netdev->hard_start_xmit = &e1000_xmit_frame;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   937
	netdev->get_stats = &e1000_get_stats;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   938
	netdev->set_multicast_list = &e1000_set_multi;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   939
	netdev->set_mac_address = &e1000_set_mac;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   940
	netdev->change_mtu = &e1000_change_mtu;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   941
	netdev->do_ioctl = &e1000_ioctl;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   942
	e1000_set_ethtool_ops(netdev);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   943
	netdev->tx_timeout = &e1000_tx_timeout;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   944
	netdev->watchdog_timeo = 5 * HZ;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   945
#ifdef CONFIG_E1000_NAPI
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   946
	netdev->poll = &e1000_clean;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   947
	netdev->weight = 64;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   948
#endif
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   949
	netdev->vlan_rx_register = e1000_vlan_rx_register;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   950
	netdev->vlan_rx_add_vid = e1000_vlan_rx_add_vid;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   951
	netdev->vlan_rx_kill_vid = e1000_vlan_rx_kill_vid;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   952
#ifdef CONFIG_NET_POLL_CONTROLLER
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   953
	netdev->poll_controller = e1000_netpoll;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   954
#endif
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   955
	strncpy(netdev->name, pci_name(pdev), sizeof(netdev->name) - 1);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   956
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   957
	netdev->mem_start = mmio_start;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   958
	netdev->mem_end = mmio_start + mmio_len;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   959
	netdev->base_addr = adapter->hw.io_base;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   960
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   961
	adapter->bd_number = cards_found;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   962
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   963
	/* setup the private structure */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   964
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   965
	if ((err = e1000_sw_init(adapter)))
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   966
		goto err_sw_init;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   967
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   968
	err = -EIO;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   969
	/* Flash BAR mapping must happen after e1000_sw_init
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   970
	 * because it depends on mac_type */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   971
	if ((adapter->hw.mac_type == e1000_ich8lan) &&
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   972
	   (pci_resource_flags(pdev, 1) & IORESOURCE_MEM)) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   973
		flash_start = pci_resource_start(pdev, 1);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   974
		flash_len = pci_resource_len(pdev, 1);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   975
		adapter->hw.flash_address = ioremap(flash_start, flash_len);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   976
		if (!adapter->hw.flash_address)
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   977
			goto err_flashmap;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   978
	}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   979
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   980
	if (e1000_check_phy_reset_block(&adapter->hw))
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   981
		DPRINTK(PROBE, INFO, "PHY reset is blocked due to SOL/IDER session.\n");
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   982
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   983
	if (adapter->hw.mac_type >= e1000_82543) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   984
		netdev->features = NETIF_F_SG |
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   985
				   NETIF_F_HW_CSUM |
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   986
				   NETIF_F_HW_VLAN_TX |
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   987
				   NETIF_F_HW_VLAN_RX |
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   988
				   NETIF_F_HW_VLAN_FILTER;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   989
		if (adapter->hw.mac_type == e1000_ich8lan)
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   990
			netdev->features &= ~NETIF_F_HW_VLAN_FILTER;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   991
	}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   992
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   993
#ifdef NETIF_F_TSO
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   994
	if ((adapter->hw.mac_type >= e1000_82544) &&
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   995
	   (adapter->hw.mac_type != e1000_82547))
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   996
		netdev->features |= NETIF_F_TSO;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   997
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   998
#ifdef NETIF_F_TSO6
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   999
	if (adapter->hw.mac_type > e1000_82547_rev_2)
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1000
		netdev->features |= NETIF_F_TSO6;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1001
#endif
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1002
#endif
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1003
	if (pci_using_dac)
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1004
		netdev->features |= NETIF_F_HIGHDMA;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1005
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1006
	netdev->features |= NETIF_F_LLTX;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1007
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1008
	adapter->en_mng_pt = e1000_enable_mng_pass_thru(&adapter->hw);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1009
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1010
	/* initialize eeprom parameters */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1011
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1012
	if (e1000_init_eeprom_params(&adapter->hw)) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1013
		E1000_ERR("EEPROM initialization failed\n");
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1014
		goto err_eeprom;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1015
	}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1016
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1017
	/* before reading the EEPROM, reset the controller to
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1018
	 * put the device in a known good starting state */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1019
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1020
	e1000_reset_hw(&adapter->hw);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1021
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1022
	/* make sure the EEPROM is good */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1023
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1024
	if (e1000_validate_eeprom_checksum(&adapter->hw) < 0) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1025
		DPRINTK(PROBE, ERR, "The EEPROM Checksum Is Not Valid\n");
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1026
		goto err_eeprom;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1027
	}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1028
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1029
	/* copy the MAC address out of the EEPROM */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1030
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1031
	if (e1000_read_mac_addr(&adapter->hw))
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1032
		DPRINTK(PROBE, ERR, "EEPROM Read Error\n");
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1033
	memcpy(netdev->dev_addr, adapter->hw.mac_addr, netdev->addr_len);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1034
	memcpy(netdev->perm_addr, adapter->hw.mac_addr, netdev->addr_len);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1035
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1036
	if (!is_valid_ether_addr(netdev->perm_addr)) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1037
		DPRINTK(PROBE, ERR, "Invalid MAC Address\n");
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1038
		goto err_eeprom;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1039
	}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1040
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1041
	e1000_get_bus_info(&adapter->hw);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1042
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1043
	init_timer(&adapter->tx_fifo_stall_timer);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1044
	adapter->tx_fifo_stall_timer.function = &e1000_82547_tx_fifo_stall;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1045
	adapter->tx_fifo_stall_timer.data = (unsigned long) adapter;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1046
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1047
	init_timer(&adapter->watchdog_timer);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1048
	adapter->watchdog_timer.function = &e1000_watchdog;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1049
	adapter->watchdog_timer.data = (unsigned long) adapter;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1050
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1051
	init_timer(&adapter->phy_info_timer);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1052
	adapter->phy_info_timer.function = &e1000_update_phy_info;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1053
	adapter->phy_info_timer.data = (unsigned long) adapter;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1054
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1055
	INIT_WORK(&adapter->reset_task, e1000_reset_task);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1056
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1057
	e1000_check_options(adapter);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1058
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1059
	/* Initial Wake on LAN setting
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1060
	 * If APM wake is enabled in the EEPROM,
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1061
	 * enable the ACPI Magic Packet filter
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1062
	 */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1063
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1064
	switch (adapter->hw.mac_type) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1065
	case e1000_82542_rev2_0:
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1066
	case e1000_82542_rev2_1:
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1067
	case e1000_82543:
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1068
		break;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1069
	case e1000_82544:
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1070
		e1000_read_eeprom(&adapter->hw,
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1071
			EEPROM_INIT_CONTROL2_REG, 1, &eeprom_data);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1072
		eeprom_apme_mask = E1000_EEPROM_82544_APM;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1073
		break;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1074
	case e1000_ich8lan:
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1075
		e1000_read_eeprom(&adapter->hw,
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1076
			EEPROM_INIT_CONTROL1_REG, 1, &eeprom_data);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1077
		eeprom_apme_mask = E1000_EEPROM_ICH8_APME;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1078
		break;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1079
	case e1000_82546:
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1080
	case e1000_82546_rev_3:
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1081
	case e1000_82571:
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1082
	case e1000_80003es2lan:
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1083
		if (E1000_READ_REG(&adapter->hw, STATUS) & E1000_STATUS_FUNC_1){
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1084
			e1000_read_eeprom(&adapter->hw,
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1085
				EEPROM_INIT_CONTROL3_PORT_B, 1, &eeprom_data);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1086
			break;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1087
		}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1088
		/* Fall Through */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1089
	default:
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1090
		e1000_read_eeprom(&adapter->hw,
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1091
			EEPROM_INIT_CONTROL3_PORT_A, 1, &eeprom_data);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1092
		break;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1093
	}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1094
	if (eeprom_data & eeprom_apme_mask)
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1095
		adapter->eeprom_wol |= E1000_WUFC_MAG;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1096
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1097
	/* now that we have the eeprom settings, apply the special cases
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1098
	 * where the eeprom may be wrong or the board simply won't support
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1099
	 * wake on lan on a particular port */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1100
	switch (pdev->device) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1101
	case E1000_DEV_ID_82546GB_PCIE:
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1102
		adapter->eeprom_wol = 0;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1103
		break;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1104
	case E1000_DEV_ID_82546EB_FIBER:
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1105
	case E1000_DEV_ID_82546GB_FIBER:
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1106
	case E1000_DEV_ID_82571EB_FIBER:
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1107
		/* Wake events only supported on port A for dual fiber
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1108
		 * regardless of eeprom setting */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1109
		if (E1000_READ_REG(&adapter->hw, STATUS) & E1000_STATUS_FUNC_1)
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1110
			adapter->eeprom_wol = 0;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1111
		break;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1112
	case E1000_DEV_ID_82546GB_QUAD_COPPER_KSP3:
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1113
	case E1000_DEV_ID_82571EB_QUAD_COPPER:
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1114
	case E1000_DEV_ID_82571EB_QUAD_COPPER_LOWPROFILE:
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1115
		/* if quad port adapter, disable WoL on all but port A */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1116
		if (global_quad_port_a != 0)
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1117
			adapter->eeprom_wol = 0;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1118
		else
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1119
			adapter->quad_port_a = 1;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1120
		/* Reset for multiple quad port adapters */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1121
		if (++global_quad_port_a == 4)
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1122
			global_quad_port_a = 0;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1123
		break;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1124
	}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1125
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1126
	/* initialize the wol settings based on the eeprom settings */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1127
	adapter->wol = adapter->eeprom_wol;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1128
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1129
	/* print bus type/speed/width info */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1130
	{
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1131
	struct e1000_hw *hw = &adapter->hw;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1132
	DPRINTK(PROBE, INFO, "(PCI%s:%s:%s) ",
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1133
		((hw->bus_type == e1000_bus_type_pcix) ? "-X" :
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1134
		 (hw->bus_type == e1000_bus_type_pci_express ? " Express":"")),
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1135
		((hw->bus_speed == e1000_bus_speed_2500) ? "2.5Gb/s" :
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1136
		 (hw->bus_speed == e1000_bus_speed_133) ? "133MHz" :
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1137
		 (hw->bus_speed == e1000_bus_speed_120) ? "120MHz" :
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1138
		 (hw->bus_speed == e1000_bus_speed_100) ? "100MHz" :
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1139
		 (hw->bus_speed == e1000_bus_speed_66) ? "66MHz" : "33MHz"),
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1140
		((hw->bus_width == e1000_bus_width_64) ? "64-bit" :
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1141
		 (hw->bus_width == e1000_bus_width_pciex_4) ? "Width x4" :
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1142
		 (hw->bus_width == e1000_bus_width_pciex_1) ? "Width x1" :
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1143
		 "32-bit"));
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1144
	}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1145
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1146
	for (i = 0; i < 6; i++)
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1147
		printk("%2.2x%c", netdev->dev_addr[i], i == 5 ? '\n' : ':');
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1148
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1149
	/* reset the hardware with the new settings */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1150
	e1000_reset(adapter);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1151
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1152
	/* If the controller is 82573 and f/w is AMT, do not set
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1153
	 * DRV_LOAD until the interface is up.  For all other cases,
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1154
	 * let the f/w know that the h/w is now under the control
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1155
	 * of the driver. */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1156
	if (adapter->hw.mac_type != e1000_82573 ||
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1157
	    !e1000_check_mng_mode(&adapter->hw))
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1158
		e1000_get_hw_control(adapter);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1159
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1160
	strcpy(netdev->name, "eth%d");
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1161
	if ((err = register_netdev(netdev)))
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1162
		goto err_register;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1163
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1164
	/* tell the stack to leave us alone until e1000_open() is called */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1165
	netif_carrier_off(netdev);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1166
	netif_stop_queue(netdev);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1167
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1168
	DPRINTK(PROBE, INFO, "Intel(R) PRO/1000 Network Connection\n");
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1169
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1170
	cards_found++;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1171
	return 0;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1172
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1173
err_register:
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1174
	e1000_release_hw_control(adapter);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1175
err_eeprom:
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1176
	if (!e1000_check_phy_reset_block(&adapter->hw))
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1177
		e1000_phy_hw_reset(&adapter->hw);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1178
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1179
	if (adapter->hw.flash_address)
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1180
		iounmap(adapter->hw.flash_address);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1181
err_flashmap:
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1182
#ifdef CONFIG_E1000_NAPI
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1183
	for (i = 0; i < adapter->num_rx_queues; i++)
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1184
		dev_put(&adapter->polling_netdev[i]);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1185
#endif
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1186
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1187
	kfree(adapter->tx_ring);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1188
	kfree(adapter->rx_ring);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1189
#ifdef CONFIG_E1000_NAPI
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1190
	kfree(adapter->polling_netdev);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1191
#endif
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1192
err_sw_init:
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1193
	iounmap(adapter->hw.hw_addr);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1194
err_ioremap:
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1195
	free_netdev(netdev);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1196
err_alloc_etherdev:
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1197
	pci_release_regions(pdev);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1198
err_pci_reg:
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1199
err_dma:
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1200
	pci_disable_device(pdev);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1201
	return err;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1202
}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1203
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1204
/**
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1205
 * e1000_remove - Device Removal Routine
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1206
 * @pdev: PCI device information struct
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1207
 *
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1208
 * e1000_remove is called by the PCI subsystem to alert the driver
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1209
 * that it should release a PCI device.  The could be caused by a
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1210
 * Hot-Plug event, or because the driver is going to be removed from
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1211
 * memory.
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1212
 **/
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1213
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1214
static void __devexit
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1215
e1000_remove(struct pci_dev *pdev)
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1216
{
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1217
	struct net_device *netdev = pci_get_drvdata(pdev);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1218
	struct e1000_adapter *adapter = netdev_priv(netdev);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1219
#ifdef CONFIG_E1000_NAPI
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1220
	int i;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1221
#endif
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1222
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1223
	flush_scheduled_work();
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1224
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1225
	e1000_release_manageability(adapter);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1226
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1227
	/* Release control of h/w to f/w.  If f/w is AMT enabled, this
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1228
	 * would have already happened in close and is redundant. */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1229
	e1000_release_hw_control(adapter);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1230
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1231
	unregister_netdev(netdev);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1232
#ifdef CONFIG_E1000_NAPI
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1233
	for (i = 0; i < adapter->num_rx_queues; i++)
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1234
		dev_put(&adapter->polling_netdev[i]);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1235
#endif
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1236
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1237
	if (!e1000_check_phy_reset_block(&adapter->hw))
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1238
		e1000_phy_hw_reset(&adapter->hw);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1239
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1240
	kfree(adapter->tx_ring);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1241
	kfree(adapter->rx_ring);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1242
#ifdef CONFIG_E1000_NAPI
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1243
	kfree(adapter->polling_netdev);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1244
#endif
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1245
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1246
	iounmap(adapter->hw.hw_addr);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1247
	if (adapter->hw.flash_address)
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1248
		iounmap(adapter->hw.flash_address);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1249
	pci_release_regions(pdev);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1250
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1251
	free_netdev(netdev);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1252
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1253
	pci_disable_device(pdev);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1254
}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1255
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1256
/**
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1257
 * e1000_sw_init - Initialize general software structures (struct e1000_adapter)
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1258
 * @adapter: board private structure to initialize
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1259
 *
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1260
 * e1000_sw_init initializes the Adapter private data structure.
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1261
 * Fields are initialized based on PCI device information and
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1262
 * OS network device settings (MTU size).
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1263
 **/
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1264
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1265
static int __devinit
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1266
e1000_sw_init(struct e1000_adapter *adapter)
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1267
{
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1268
	struct e1000_hw *hw = &adapter->hw;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1269
	struct net_device *netdev = adapter->netdev;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1270
	struct pci_dev *pdev = adapter->pdev;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1271
#ifdef CONFIG_E1000_NAPI
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1272
	int i;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1273
#endif
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1274
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1275
	/* PCI config space info */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1276
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1277
	hw->vendor_id = pdev->vendor;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1278
	hw->device_id = pdev->device;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1279
	hw->subsystem_vendor_id = pdev->subsystem_vendor;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1280
	hw->subsystem_id = pdev->subsystem_device;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1281
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1282
	pci_read_config_byte(pdev, PCI_REVISION_ID, &hw->revision_id);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1283
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1284
	pci_read_config_word(pdev, PCI_COMMAND, &hw->pci_cmd_word);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1285
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1286
	adapter->rx_buffer_len = MAXIMUM_ETHERNET_VLAN_SIZE;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1287
	adapter->rx_ps_bsize0 = E1000_RXBUFFER_128;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1288
	hw->max_frame_size = netdev->mtu +
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1289
			     ENET_HEADER_SIZE + ETHERNET_FCS_SIZE;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1290
	hw->min_frame_size = MINIMUM_ETHERNET_FRAME_SIZE;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1291
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1292
	/* identify the MAC */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1293
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1294
	if (e1000_set_mac_type(hw)) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1295
		DPRINTK(PROBE, ERR, "Unknown MAC Type\n");
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1296
		return -EIO;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1297
	}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1298
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1299
	switch (hw->mac_type) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1300
	default:
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1301
		break;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1302
	case e1000_82541:
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1303
	case e1000_82547:
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1304
	case e1000_82541_rev_2:
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1305
	case e1000_82547_rev_2:
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1306
		hw->phy_init_script = 1;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1307
		break;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1308
	}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1309
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1310
	e1000_set_media_type(hw);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1311
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1312
	hw->wait_autoneg_complete = FALSE;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1313
	hw->tbi_compatibility_en = TRUE;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1314
	hw->adaptive_ifs = TRUE;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1315
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1316
	/* Copper options */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1317
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1318
	if (hw->media_type == e1000_media_type_copper) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1319
		hw->mdix = AUTO_ALL_MODES;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1320
		hw->disable_polarity_correction = FALSE;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1321
		hw->master_slave = E1000_MASTER_SLAVE;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1322
	}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1323
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1324
	adapter->num_tx_queues = 1;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1325
	adapter->num_rx_queues = 1;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1326
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1327
	if (e1000_alloc_queues(adapter)) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1328
		DPRINTK(PROBE, ERR, "Unable to allocate memory for queues\n");
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1329
		return -ENOMEM;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1330
	}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1331
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1332
#ifdef CONFIG_E1000_NAPI
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1333
	for (i = 0; i < adapter->num_rx_queues; i++) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1334
		adapter->polling_netdev[i].priv = adapter;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1335
		adapter->polling_netdev[i].poll = &e1000_clean;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1336
		adapter->polling_netdev[i].weight = 64;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1337
		dev_hold(&adapter->polling_netdev[i]);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1338
		set_bit(__LINK_STATE_START, &adapter->polling_netdev[i].state);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1339
	}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1340
	spin_lock_init(&adapter->tx_queue_lock);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1341
#endif
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1342
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1343
	atomic_set(&adapter->irq_sem, 1);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1344
	spin_lock_init(&adapter->stats_lock);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1345
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1346
	set_bit(__E1000_DOWN, &adapter->flags);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1347
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1348
	return 0;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1349
}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1350
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1351
/**
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1352
 * e1000_alloc_queues - Allocate memory for all rings
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1353
 * @adapter: board private structure to initialize
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1354
 *
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1355
 * We allocate one ring per queue at run-time since we don't know the
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1356
 * number of queues at compile-time.  The polling_netdev array is
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1357
 * intended for Multiqueue, but should work fine with a single queue.
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1358
 **/
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1359
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1360
static int __devinit
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1361
e1000_alloc_queues(struct e1000_adapter *adapter)
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1362
{
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1363
	int size;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1364
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1365
	size = sizeof(struct e1000_tx_ring) * adapter->num_tx_queues;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1366
	adapter->tx_ring = kmalloc(size, GFP_KERNEL);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1367
	if (!adapter->tx_ring)
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1368
		return -ENOMEM;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1369
	memset(adapter->tx_ring, 0, size);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1370
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1371
	size = sizeof(struct e1000_rx_ring) * adapter->num_rx_queues;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1372
	adapter->rx_ring = kmalloc(size, GFP_KERNEL);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1373
	if (!adapter->rx_ring) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1374
		kfree(adapter->tx_ring);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1375
		return -ENOMEM;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1376
	}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1377
	memset(adapter->rx_ring, 0, size);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1378
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1379
#ifdef CONFIG_E1000_NAPI
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1380
	size = sizeof(struct net_device) * adapter->num_rx_queues;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1381
	adapter->polling_netdev = kmalloc(size, GFP_KERNEL);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1382
	if (!adapter->polling_netdev) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1383
		kfree(adapter->tx_ring);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1384
		kfree(adapter->rx_ring);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1385
		return -ENOMEM;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1386
	}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1387
	memset(adapter->polling_netdev, 0, size);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1388
#endif
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1389
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1390
	return E1000_SUCCESS;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1391
}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1392
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1393
/**
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1394
 * e1000_open - Called when a network interface is made active
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1395
 * @netdev: network interface device structure
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1396
 *
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1397
 * Returns 0 on success, negative value on failure
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1398
 *
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1399
 * The open entry point is called when a network interface is made
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1400
 * active by the system (IFF_UP).  At this point all resources needed
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1401
 * for transmit and receive operations are allocated, the interrupt
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1402
 * handler is registered with the OS, the watchdog timer is started,
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1403
 * and the stack is notified that the interface is ready.
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1404
 **/
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1405
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1406
static int
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1407
e1000_open(struct net_device *netdev)
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1408
{
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1409
	struct e1000_adapter *adapter = netdev_priv(netdev);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1410
	int err;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1411
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1412
	/* disallow open during test */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1413
	if (test_bit(__E1000_TESTING, &adapter->flags))
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1414
		return -EBUSY;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1415
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1416
	/* allocate transmit descriptors */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1417
	if ((err = e1000_setup_all_tx_resources(adapter)))
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1418
		goto err_setup_tx;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1419
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1420
	/* allocate receive descriptors */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1421
	if ((err = e1000_setup_all_rx_resources(adapter)))
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1422
		goto err_setup_rx;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1423
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1424
	err = e1000_request_irq(adapter);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1425
	if (err)
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1426
		goto err_req_irq;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1427
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1428
	e1000_power_up_phy(adapter);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1429
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1430
	if ((err = e1000_up(adapter)))
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1431
		goto err_up;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1432
	adapter->mng_vlan_id = E1000_MNG_VLAN_NONE;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1433
	if ((adapter->hw.mng_cookie.status &
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1434
			  E1000_MNG_DHCP_COOKIE_STATUS_VLAN_SUPPORT)) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1435
		e1000_update_mng_vlan(adapter);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1436
	}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1437
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1438
	/* If AMT is enabled, let the firmware know that the network
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1439
	 * interface is now open */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1440
	if (adapter->hw.mac_type == e1000_82573 &&
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1441
	    e1000_check_mng_mode(&adapter->hw))
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1442
		e1000_get_hw_control(adapter);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1443
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1444
	return E1000_SUCCESS;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1445
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1446
err_up:
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1447
	e1000_power_down_phy(adapter);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1448
	e1000_free_irq(adapter);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1449
err_req_irq:
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1450
	e1000_free_all_rx_resources(adapter);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1451
err_setup_rx:
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1452
	e1000_free_all_tx_resources(adapter);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1453
err_setup_tx:
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1454
	e1000_reset(adapter);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1455
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1456
	return err;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1457
}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1458
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1459
/**
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1460
 * e1000_close - Disables a network interface
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1461
 * @netdev: network interface device structure
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1462
 *
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1463
 * Returns 0, this is not allowed to fail
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1464
 *
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1465
 * The close entry point is called when an interface is de-activated
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1466
 * by the OS.  The hardware is still under the drivers control, but
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1467
 * needs to be disabled.  A global MAC reset is issued to stop the
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1468
 * hardware, and all transmit and receive resources are freed.
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1469
 **/
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1470
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1471
static int
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1472
e1000_close(struct net_device *netdev)
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1473
{
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1474
	struct e1000_adapter *adapter = netdev_priv(netdev);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1475
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1476
	WARN_ON(test_bit(__E1000_RESETTING, &adapter->flags));
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1477
	e1000_down(adapter);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1478
	e1000_power_down_phy(adapter);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1479
	e1000_free_irq(adapter);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1480
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1481
	e1000_free_all_tx_resources(adapter);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1482
	e1000_free_all_rx_resources(adapter);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1483
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1484
	/* kill manageability vlan ID if supported, but not if a vlan with
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1485
	 * the same ID is registered on the host OS (let 8021q kill it) */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1486
	if ((adapter->hw.mng_cookie.status &
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1487
			  E1000_MNG_DHCP_COOKIE_STATUS_VLAN_SUPPORT) &&
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1488
	     !(adapter->vlgrp &&
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1489
			  adapter->vlgrp->vlan_devices[adapter->mng_vlan_id])) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1490
		e1000_vlan_rx_kill_vid(netdev, adapter->mng_vlan_id);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1491
	}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1492
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1493
	/* If AMT is enabled, let the firmware know that the network
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1494
	 * interface is now closed */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1495
	if (adapter->hw.mac_type == e1000_82573 &&
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1496
	    e1000_check_mng_mode(&adapter->hw))
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1497
		e1000_release_hw_control(adapter);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1498
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1499
	return 0;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1500
}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1501
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1502
/**
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1503
 * e1000_check_64k_bound - check that memory doesn't cross 64kB boundary
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1504
 * @adapter: address of board private structure
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1505
 * @start: address of beginning of memory
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1506
 * @len: length of memory
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1507
 **/
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1508
static boolean_t
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1509
e1000_check_64k_bound(struct e1000_adapter *adapter,
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1510
		      void *start, unsigned long len)
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1511
{
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1512
	unsigned long begin = (unsigned long) start;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1513
	unsigned long end = begin + len;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1514
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1515
	/* First rev 82545 and 82546 need to not allow any memory
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1516
	 * write location to cross 64k boundary due to errata 23 */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1517
	if (adapter->hw.mac_type == e1000_82545 ||
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1518
	    adapter->hw.mac_type == e1000_82546) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1519
		return ((begin ^ (end - 1)) >> 16) != 0 ? FALSE : TRUE;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1520
	}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1521
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1522
	return TRUE;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1523
}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1524
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1525
/**
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1526
 * e1000_setup_tx_resources - allocate Tx resources (Descriptors)
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1527
 * @adapter: board private structure
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1528
 * @txdr:    tx descriptor ring (for a specific queue) to setup
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1529
 *
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1530
 * Return 0 on success, negative on failure
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1531
 **/
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1532
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1533
static int
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1534
e1000_setup_tx_resources(struct e1000_adapter *adapter,
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1535
                         struct e1000_tx_ring *txdr)
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1536
{
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1537
	struct pci_dev *pdev = adapter->pdev;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1538
	int size;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1539
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1540
	size = sizeof(struct e1000_buffer) * txdr->count;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1541
	txdr->buffer_info = vmalloc(size);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1542
	if (!txdr->buffer_info) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1543
		DPRINTK(PROBE, ERR,
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1544
		"Unable to allocate memory for the transmit descriptor ring\n");
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1545
		return -ENOMEM;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1546
	}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1547
	memset(txdr->buffer_info, 0, size);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1548
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1549
	/* round up to nearest 4K */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1550
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1551
	txdr->size = txdr->count * sizeof(struct e1000_tx_desc);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1552
	E1000_ROUNDUP(txdr->size, 4096);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1553
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1554
	txdr->desc = pci_alloc_consistent(pdev, txdr->size, &txdr->dma);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1555
	if (!txdr->desc) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1556
setup_tx_desc_die:
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1557
		vfree(txdr->buffer_info);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1558
		DPRINTK(PROBE, ERR,
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1559
		"Unable to allocate memory for the transmit descriptor ring\n");
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1560
		return -ENOMEM;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1561
	}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1562
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1563
	/* Fix for errata 23, can't cross 64kB boundary */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1564
	if (!e1000_check_64k_bound(adapter, txdr->desc, txdr->size)) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1565
		void *olddesc = txdr->desc;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1566
		dma_addr_t olddma = txdr->dma;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1567
		DPRINTK(TX_ERR, ERR, "txdr align check failed: %u bytes "
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1568
				     "at %p\n", txdr->size, txdr->desc);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1569
		/* Try again, without freeing the previous */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1570
		txdr->desc = pci_alloc_consistent(pdev, txdr->size, &txdr->dma);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1571
		/* Failed allocation, critical failure */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1572
		if (!txdr->desc) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1573
			pci_free_consistent(pdev, txdr->size, olddesc, olddma);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1574
			goto setup_tx_desc_die;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1575
		}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1576
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1577
		if (!e1000_check_64k_bound(adapter, txdr->desc, txdr->size)) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1578
			/* give up */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1579
			pci_free_consistent(pdev, txdr->size, txdr->desc,
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1580
					    txdr->dma);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1581
			pci_free_consistent(pdev, txdr->size, olddesc, olddma);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1582
			DPRINTK(PROBE, ERR,
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1583
				"Unable to allocate aligned memory "
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1584
				"for the transmit descriptor ring\n");
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1585
			vfree(txdr->buffer_info);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1586
			return -ENOMEM;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1587
		} else {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1588
			/* Free old allocation, new allocation was successful */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1589
			pci_free_consistent(pdev, txdr->size, olddesc, olddma);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1590
		}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1591
	}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1592
	memset(txdr->desc, 0, txdr->size);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1593
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1594
	txdr->next_to_use = 0;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1595
	txdr->next_to_clean = 0;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1596
	spin_lock_init(&txdr->tx_lock);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1597
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1598
	return 0;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1599
}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1600
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1601
/**
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1602
 * e1000_setup_all_tx_resources - wrapper to allocate Tx resources
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1603
 * 				  (Descriptors) for all queues
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1604
 * @adapter: board private structure
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1605
 *
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1606
 * Return 0 on success, negative on failure
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1607
 **/
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1608
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1609
int
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1610
e1000_setup_all_tx_resources(struct e1000_adapter *adapter)
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1611
{
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1612
	int i, err = 0;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1613
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1614
	for (i = 0; i < adapter->num_tx_queues; i++) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1615
		err = e1000_setup_tx_resources(adapter, &adapter->tx_ring[i]);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1616
		if (err) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1617
			DPRINTK(PROBE, ERR,
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1618
				"Allocation for Tx Queue %u failed\n", i);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1619
			for (i-- ; i >= 0; i--)
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1620
				e1000_free_tx_resources(adapter,
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1621
							&adapter->tx_ring[i]);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1622
			break;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1623
		}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1624
	}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1625
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1626
	return err;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1627
}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1628
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1629
/**
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1630
 * e1000_configure_tx - Configure 8254x Transmit Unit after Reset
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1631
 * @adapter: board private structure
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1632
 *
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1633
 * Configure the Tx unit of the MAC after a reset.
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1634
 **/
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1635
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1636
static void
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1637
e1000_configure_tx(struct e1000_adapter *adapter)
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1638
{
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1639
	uint64_t tdba;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1640
	struct e1000_hw *hw = &adapter->hw;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1641
	uint32_t tdlen, tctl, tipg, tarc;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1642
	uint32_t ipgr1, ipgr2;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1643
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1644
	/* Setup the HW Tx Head and Tail descriptor pointers */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1645
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1646
	switch (adapter->num_tx_queues) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1647
	case 1:
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1648
	default:
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1649
		tdba = adapter->tx_ring[0].dma;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1650
		tdlen = adapter->tx_ring[0].count *
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1651
			sizeof(struct e1000_tx_desc);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1652
		E1000_WRITE_REG(hw, TDLEN, tdlen);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1653
		E1000_WRITE_REG(hw, TDBAH, (tdba >> 32));
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1654
		E1000_WRITE_REG(hw, TDBAL, (tdba & 0x00000000ffffffffULL));
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1655
		E1000_WRITE_REG(hw, TDT, 0);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1656
		E1000_WRITE_REG(hw, TDH, 0);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1657
		adapter->tx_ring[0].tdh = ((hw->mac_type >= e1000_82543) ? E1000_TDH : E1000_82542_TDH);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1658
		adapter->tx_ring[0].tdt = ((hw->mac_type >= e1000_82543) ? E1000_TDT : E1000_82542_TDT);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1659
		break;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1660
	}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1661
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1662
	/* Set the default values for the Tx Inter Packet Gap timer */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1663
	if (adapter->hw.mac_type <= e1000_82547_rev_2 &&
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1664
	    (hw->media_type == e1000_media_type_fiber ||
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1665
	     hw->media_type == e1000_media_type_internal_serdes))
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1666
		tipg = DEFAULT_82543_TIPG_IPGT_FIBER;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1667
	else
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1668
		tipg = DEFAULT_82543_TIPG_IPGT_COPPER;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1669
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1670
	switch (hw->mac_type) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1671
	case e1000_82542_rev2_0:
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1672
	case e1000_82542_rev2_1:
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1673
		tipg = DEFAULT_82542_TIPG_IPGT;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1674
		ipgr1 = DEFAULT_82542_TIPG_IPGR1;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1675
		ipgr2 = DEFAULT_82542_TIPG_IPGR2;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1676
		break;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1677
	case e1000_80003es2lan:
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1678
		ipgr1 = DEFAULT_82543_TIPG_IPGR1;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1679
		ipgr2 = DEFAULT_80003ES2LAN_TIPG_IPGR2;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1680
		break;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1681
	default:
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1682
		ipgr1 = DEFAULT_82543_TIPG_IPGR1;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1683
		ipgr2 = DEFAULT_82543_TIPG_IPGR2;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1684
		break;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1685
	}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1686
	tipg |= ipgr1 << E1000_TIPG_IPGR1_SHIFT;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1687
	tipg |= ipgr2 << E1000_TIPG_IPGR2_SHIFT;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1688
	E1000_WRITE_REG(hw, TIPG, tipg);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1689
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1690
	/* Set the Tx Interrupt Delay register */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1691
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1692
	E1000_WRITE_REG(hw, TIDV, adapter->tx_int_delay);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1693
	if (hw->mac_type >= e1000_82540)
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1694
		E1000_WRITE_REG(hw, TADV, adapter->tx_abs_int_delay);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1695
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1696
	/* Program the Transmit Control Register */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1697
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1698
	tctl = E1000_READ_REG(hw, TCTL);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1699
	tctl &= ~E1000_TCTL_CT;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1700
	tctl |= E1000_TCTL_PSP | E1000_TCTL_RTLC |
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1701
		(E1000_COLLISION_THRESHOLD << E1000_CT_SHIFT);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1702
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1703
	if (hw->mac_type == e1000_82571 || hw->mac_type == e1000_82572) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1704
		tarc = E1000_READ_REG(hw, TARC0);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1705
		/* set the speed mode bit, we'll clear it if we're not at
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1706
		 * gigabit link later */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1707
		tarc |= (1 << 21);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1708
		E1000_WRITE_REG(hw, TARC0, tarc);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1709
	} else if (hw->mac_type == e1000_80003es2lan) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1710
		tarc = E1000_READ_REG(hw, TARC0);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1711
		tarc |= 1;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1712
		E1000_WRITE_REG(hw, TARC0, tarc);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1713
		tarc = E1000_READ_REG(hw, TARC1);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1714
		tarc |= 1;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1715
		E1000_WRITE_REG(hw, TARC1, tarc);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1716
	}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1717
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1718
	e1000_config_collision_dist(hw);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1719
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1720
	/* Setup Transmit Descriptor Settings for eop descriptor */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1721
	adapter->txd_cmd = E1000_TXD_CMD_EOP | E1000_TXD_CMD_IFCS;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1722
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1723
	/* only set IDE if we are delaying interrupts using the timers */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1724
	if (adapter->tx_int_delay)
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1725
		adapter->txd_cmd |= E1000_TXD_CMD_IDE;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1726
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1727
	if (hw->mac_type < e1000_82543)
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1728
		adapter->txd_cmd |= E1000_TXD_CMD_RPS;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1729
	else
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1730
		adapter->txd_cmd |= E1000_TXD_CMD_RS;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1731
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1732
	/* Cache if we're 82544 running in PCI-X because we'll
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1733
	 * need this to apply a workaround later in the send path. */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1734
	if (hw->mac_type == e1000_82544 &&
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1735
	    hw->bus_type == e1000_bus_type_pcix)
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1736
		adapter->pcix_82544 = 1;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1737
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1738
	E1000_WRITE_REG(hw, TCTL, tctl);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1739
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1740
}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1741
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1742
/**
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1743
 * e1000_setup_rx_resources - allocate Rx resources (Descriptors)
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1744
 * @adapter: board private structure
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1745
 * @rxdr:    rx descriptor ring (for a specific queue) to setup
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1746
 *
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1747
 * Returns 0 on success, negative on failure
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1748
 **/
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1749
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1750
static int
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1751
e1000_setup_rx_resources(struct e1000_adapter *adapter,
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1752
                         struct e1000_rx_ring *rxdr)
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1753
{
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1754
	struct pci_dev *pdev = adapter->pdev;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1755
	int size, desc_len;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1756
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1757
	size = sizeof(struct e1000_buffer) * rxdr->count;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1758
	rxdr->buffer_info = vmalloc(size);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1759
	if (!rxdr->buffer_info) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1760
		DPRINTK(PROBE, ERR,
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1761
		"Unable to allocate memory for the receive descriptor ring\n");
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1762
		return -ENOMEM;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1763
	}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1764
	memset(rxdr->buffer_info, 0, size);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1765
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1766
	size = sizeof(struct e1000_ps_page) * rxdr->count;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1767
	rxdr->ps_page = kmalloc(size, GFP_KERNEL);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1768
	if (!rxdr->ps_page) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1769
		vfree(rxdr->buffer_info);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1770
		DPRINTK(PROBE, ERR,
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1771
		"Unable to allocate memory for the receive descriptor ring\n");
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1772
		return -ENOMEM;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1773
	}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1774
	memset(rxdr->ps_page, 0, size);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1775
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1776
	size = sizeof(struct e1000_ps_page_dma) * rxdr->count;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1777
	rxdr->ps_page_dma = kmalloc(size, GFP_KERNEL);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1778
	if (!rxdr->ps_page_dma) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1779
		vfree(rxdr->buffer_info);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1780
		kfree(rxdr->ps_page);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1781
		DPRINTK(PROBE, ERR,
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1782
		"Unable to allocate memory for the receive descriptor ring\n");
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1783
		return -ENOMEM;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1784
	}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1785
	memset(rxdr->ps_page_dma, 0, size);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1786
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1787
	if (adapter->hw.mac_type <= e1000_82547_rev_2)
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1788
		desc_len = sizeof(struct e1000_rx_desc);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1789
	else
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1790
		desc_len = sizeof(union e1000_rx_desc_packet_split);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1791
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1792
	/* Round up to nearest 4K */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1793
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1794
	rxdr->size = rxdr->count * desc_len;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1795
	E1000_ROUNDUP(rxdr->size, 4096);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1796
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1797
	rxdr->desc = pci_alloc_consistent(pdev, rxdr->size, &rxdr->dma);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1798
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1799
	if (!rxdr->desc) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1800
		DPRINTK(PROBE, ERR,
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1801
		"Unable to allocate memory for the receive descriptor ring\n");
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1802
setup_rx_desc_die:
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1803
		vfree(rxdr->buffer_info);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1804
		kfree(rxdr->ps_page);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1805
		kfree(rxdr->ps_page_dma);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1806
		return -ENOMEM;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1807
	}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1808
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1809
	/* Fix for errata 23, can't cross 64kB boundary */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1810
	if (!e1000_check_64k_bound(adapter, rxdr->desc, rxdr->size)) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1811
		void *olddesc = rxdr->desc;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1812
		dma_addr_t olddma = rxdr->dma;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1813
		DPRINTK(RX_ERR, ERR, "rxdr align check failed: %u bytes "
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1814
				     "at %p\n", rxdr->size, rxdr->desc);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1815
		/* Try again, without freeing the previous */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1816
		rxdr->desc = pci_alloc_consistent(pdev, rxdr->size, &rxdr->dma);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1817
		/* Failed allocation, critical failure */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1818
		if (!rxdr->desc) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1819
			pci_free_consistent(pdev, rxdr->size, olddesc, olddma);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1820
			DPRINTK(PROBE, ERR,
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1821
				"Unable to allocate memory "
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1822
				"for the receive descriptor ring\n");
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1823
			goto setup_rx_desc_die;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1824
		}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1825
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1826
		if (!e1000_check_64k_bound(adapter, rxdr->desc, rxdr->size)) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1827
			/* give up */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1828
			pci_free_consistent(pdev, rxdr->size, rxdr->desc,
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1829
					    rxdr->dma);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1830
			pci_free_consistent(pdev, rxdr->size, olddesc, olddma);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1831
			DPRINTK(PROBE, ERR,
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1832
				"Unable to allocate aligned memory "
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1833
				"for the receive descriptor ring\n");
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1834
			goto setup_rx_desc_die;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1835
		} else {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1836
			/* Free old allocation, new allocation was successful */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1837
			pci_free_consistent(pdev, rxdr->size, olddesc, olddma);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1838
		}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1839
	}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1840
	memset(rxdr->desc, 0, rxdr->size);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1841
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1842
	rxdr->next_to_clean = 0;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1843
	rxdr->next_to_use = 0;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1844
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1845
	return 0;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1846
}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1847
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1848
/**
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1849
 * e1000_setup_all_rx_resources - wrapper to allocate Rx resources
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1850
 * 				  (Descriptors) for all queues
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1851
 * @adapter: board private structure
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1852
 *
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1853
 * Return 0 on success, negative on failure
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1854
 **/
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1855
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1856
int
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1857
e1000_setup_all_rx_resources(struct e1000_adapter *adapter)
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1858
{
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1859
	int i, err = 0;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1860
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1861
	for (i = 0; i < adapter->num_rx_queues; i++) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1862
		err = e1000_setup_rx_resources(adapter, &adapter->rx_ring[i]);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1863
		if (err) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1864
			DPRINTK(PROBE, ERR,
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1865
				"Allocation for Rx Queue %u failed\n", i);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1866
			for (i-- ; i >= 0; i--)
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1867
				e1000_free_rx_resources(adapter,
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1868
							&adapter->rx_ring[i]);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1869
			break;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1870
		}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1871
	}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1872
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1873
	return err;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1874
}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1875
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1876
/**
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1877
 * e1000_setup_rctl - configure the receive control registers
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1878
 * @adapter: Board private structure
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1879
 **/
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1880
#define PAGE_USE_COUNT(S) (((S) >> PAGE_SHIFT) + \
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1881
			(((S) & (PAGE_SIZE - 1)) ? 1 : 0))
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1882
static void
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1883
e1000_setup_rctl(struct e1000_adapter *adapter)
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1884
{
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1885
	uint32_t rctl, rfctl;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1886
	uint32_t psrctl = 0;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1887
#ifndef CONFIG_E1000_DISABLE_PACKET_SPLIT
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1888
	uint32_t pages = 0;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1889
#endif
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1890
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1891
	rctl = E1000_READ_REG(&adapter->hw, RCTL);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1892
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1893
	rctl &= ~(3 << E1000_RCTL_MO_SHIFT);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1894
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1895
	rctl |= E1000_RCTL_EN | E1000_RCTL_BAM |
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1896
		E1000_RCTL_LBM_NO | E1000_RCTL_RDMTS_HALF |
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1897
		(adapter->hw.mc_filter_type << E1000_RCTL_MO_SHIFT);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1898
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1899
	if (adapter->hw.tbi_compatibility_on == 1)
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1900
		rctl |= E1000_RCTL_SBP;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1901
	else
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1902
		rctl &= ~E1000_RCTL_SBP;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1903
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1904
	if (adapter->netdev->mtu <= ETH_DATA_LEN)
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1905
		rctl &= ~E1000_RCTL_LPE;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1906
	else
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1907
		rctl |= E1000_RCTL_LPE;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1908
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1909
	/* Setup buffer sizes */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1910
	rctl &= ~E1000_RCTL_SZ_4096;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1911
	rctl |= E1000_RCTL_BSEX;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1912
	switch (adapter->rx_buffer_len) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1913
		case E1000_RXBUFFER_256:
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1914
			rctl |= E1000_RCTL_SZ_256;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1915
			rctl &= ~E1000_RCTL_BSEX;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1916
			break;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1917
		case E1000_RXBUFFER_512:
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1918
			rctl |= E1000_RCTL_SZ_512;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1919
			rctl &= ~E1000_RCTL_BSEX;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1920
			break;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1921
		case E1000_RXBUFFER_1024:
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1922
			rctl |= E1000_RCTL_SZ_1024;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1923
			rctl &= ~E1000_RCTL_BSEX;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1924
			break;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1925
		case E1000_RXBUFFER_2048:
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1926
		default:
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1927
			rctl |= E1000_RCTL_SZ_2048;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1928
			rctl &= ~E1000_RCTL_BSEX;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1929
			break;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1930
		case E1000_RXBUFFER_4096:
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1931
			rctl |= E1000_RCTL_SZ_4096;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1932
			break;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1933
		case E1000_RXBUFFER_8192:
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1934
			rctl |= E1000_RCTL_SZ_8192;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1935
			break;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1936
		case E1000_RXBUFFER_16384:
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1937
			rctl |= E1000_RCTL_SZ_16384;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1938
			break;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1939
	}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1940
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1941
#ifndef CONFIG_E1000_DISABLE_PACKET_SPLIT
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1942
	/* 82571 and greater support packet-split where the protocol
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1943
	 * header is placed in skb->data and the packet data is
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1944
	 * placed in pages hanging off of skb_shinfo(skb)->nr_frags.
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1945
	 * In the case of a non-split, skb->data is linearly filled,
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1946
	 * followed by the page buffers.  Therefore, skb->data is
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1947
	 * sized to hold the largest protocol header.
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1948
	 */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1949
	/* allocations using alloc_page take too long for regular MTU
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1950
	 * so only enable packet split for jumbo frames */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1951
	pages = PAGE_USE_COUNT(adapter->netdev->mtu);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1952
	if ((adapter->hw.mac_type >= e1000_82571) && (pages <= 3) &&
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1953
	    PAGE_SIZE <= 16384 && (rctl & E1000_RCTL_LPE))
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1954
		adapter->rx_ps_pages = pages;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1955
	else
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1956
		adapter->rx_ps_pages = 0;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1957
#endif
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1958
	if (adapter->rx_ps_pages) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1959
		/* Configure extra packet-split registers */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1960
		rfctl = E1000_READ_REG(&adapter->hw, RFCTL);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1961
		rfctl |= E1000_RFCTL_EXTEN;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1962
		/* disable packet split support for IPv6 extension headers,
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1963
		 * because some malformed IPv6 headers can hang the RX */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1964
		rfctl |= (E1000_RFCTL_IPV6_EX_DIS |
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1965
		          E1000_RFCTL_NEW_IPV6_EXT_DIS);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1966
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1967
		E1000_WRITE_REG(&adapter->hw, RFCTL, rfctl);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1968
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1969
		rctl |= E1000_RCTL_DTYP_PS;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1970
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1971
		psrctl |= adapter->rx_ps_bsize0 >>
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1972
			E1000_PSRCTL_BSIZE0_SHIFT;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1973
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1974
		switch (adapter->rx_ps_pages) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1975
		case 3:
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1976
			psrctl |= PAGE_SIZE <<
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1977
				E1000_PSRCTL_BSIZE3_SHIFT;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1978
		case 2:
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1979
			psrctl |= PAGE_SIZE <<
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1980
				E1000_PSRCTL_BSIZE2_SHIFT;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1981
		case 1:
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1982
			psrctl |= PAGE_SIZE >>
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1983
				E1000_PSRCTL_BSIZE1_SHIFT;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1984
			break;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1985
		}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1986
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1987
		E1000_WRITE_REG(&adapter->hw, PSRCTL, psrctl);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1988
	}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1989
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1990
	E1000_WRITE_REG(&adapter->hw, RCTL, rctl);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1991
}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1992
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1993
/**
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1994
 * e1000_configure_rx - Configure 8254x Receive Unit after Reset
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1995
 * @adapter: board private structure
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1996
 *
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1997
 * Configure the Rx unit of the MAC after a reset.
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1998
 **/
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1999
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2000
static void
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2001
e1000_configure_rx(struct e1000_adapter *adapter)
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2002
{
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2003
	uint64_t rdba;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2004
	struct e1000_hw *hw = &adapter->hw;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2005
	uint32_t rdlen, rctl, rxcsum, ctrl_ext;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2006
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2007
	if (adapter->rx_ps_pages) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2008
		/* this is a 32 byte descriptor */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2009
		rdlen = adapter->rx_ring[0].count *
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2010
			sizeof(union e1000_rx_desc_packet_split);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2011
		adapter->clean_rx = e1000_clean_rx_irq_ps;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2012
		adapter->alloc_rx_buf = e1000_alloc_rx_buffers_ps;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2013
	} else {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2014
		rdlen = adapter->rx_ring[0].count *
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2015
			sizeof(struct e1000_rx_desc);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2016
		adapter->clean_rx = e1000_clean_rx_irq;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2017
		adapter->alloc_rx_buf = e1000_alloc_rx_buffers;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2018
	}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2019
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2020
	/* disable receives while setting up the descriptors */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2021
	rctl = E1000_READ_REG(hw, RCTL);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2022
	E1000_WRITE_REG(hw, RCTL, rctl & ~E1000_RCTL_EN);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2023
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2024
	/* set the Receive Delay Timer Register */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2025
	E1000_WRITE_REG(hw, RDTR, adapter->rx_int_delay);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2026
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2027
	if (hw->mac_type >= e1000_82540) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2028
		E1000_WRITE_REG(hw, RADV, adapter->rx_abs_int_delay);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2029
		if (adapter->itr_setting != 0)
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2030
			E1000_WRITE_REG(hw, ITR,
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2031
				1000000000 / (adapter->itr * 256));
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2032
	}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2033
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2034
	if (hw->mac_type >= e1000_82571) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2035
		ctrl_ext = E1000_READ_REG(hw, CTRL_EXT);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2036
		/* Reset delay timers after every interrupt */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2037
		ctrl_ext |= E1000_CTRL_EXT_INT_TIMER_CLR;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2038
#ifdef CONFIG_E1000_NAPI
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2039
		/* Auto-Mask interrupts upon ICR access */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2040
		ctrl_ext |= E1000_CTRL_EXT_IAME;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2041
		E1000_WRITE_REG(hw, IAM, 0xffffffff);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2042
#endif
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2043
		E1000_WRITE_REG(hw, CTRL_EXT, ctrl_ext);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2044
		E1000_WRITE_FLUSH(hw);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2045
	}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2046
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2047
	/* Setup the HW Rx Head and Tail Descriptor Pointers and
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2048
	 * the Base and Length of the Rx Descriptor Ring */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2049
	switch (adapter->num_rx_queues) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2050
	case 1:
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2051
	default:
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2052
		rdba = adapter->rx_ring[0].dma;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2053
		E1000_WRITE_REG(hw, RDLEN, rdlen);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2054
		E1000_WRITE_REG(hw, RDBAH, (rdba >> 32));
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2055
		E1000_WRITE_REG(hw, RDBAL, (rdba & 0x00000000ffffffffULL));
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2056
		E1000_WRITE_REG(hw, RDT, 0);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2057
		E1000_WRITE_REG(hw, RDH, 0);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2058
		adapter->rx_ring[0].rdh = ((hw->mac_type >= e1000_82543) ? E1000_RDH : E1000_82542_RDH);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2059
		adapter->rx_ring[0].rdt = ((hw->mac_type >= e1000_82543) ? E1000_RDT : E1000_82542_RDT);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2060
		break;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2061
	}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2062
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2063
	/* Enable 82543 Receive Checksum Offload for TCP and UDP */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2064
	if (hw->mac_type >= e1000_82543) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2065
		rxcsum = E1000_READ_REG(hw, RXCSUM);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2066
		if (adapter->rx_csum == TRUE) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2067
			rxcsum |= E1000_RXCSUM_TUOFL;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2068
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2069
			/* Enable 82571 IPv4 payload checksum for UDP fragments
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2070
			 * Must be used in conjunction with packet-split. */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2071
			if ((hw->mac_type >= e1000_82571) &&
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2072
			    (adapter->rx_ps_pages)) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2073
				rxcsum |= E1000_RXCSUM_IPPCSE;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2074
			}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2075
		} else {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2076
			rxcsum &= ~E1000_RXCSUM_TUOFL;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2077
			/* don't need to clear IPPCSE as it defaults to 0 */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2078
		}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2079
		E1000_WRITE_REG(hw, RXCSUM, rxcsum);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2080
	}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2081
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2082
	/* enable early receives on 82573, only takes effect if using > 2048
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2083
	 * byte total frame size.  for example only for jumbo frames */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2084
#define E1000_ERT_2048 0x100
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2085
	if (hw->mac_type == e1000_82573)
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2086
		E1000_WRITE_REG(hw, ERT, E1000_ERT_2048);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2087
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2088
	/* Enable Receives */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2089
	E1000_WRITE_REG(hw, RCTL, rctl);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2090
}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2091
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2092
/**
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2093
 * e1000_free_tx_resources - Free Tx Resources per Queue
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2094
 * @adapter: board private structure
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2095
 * @tx_ring: Tx descriptor ring for a specific queue
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2096
 *
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2097
 * Free all transmit software resources
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2098
 **/
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2099
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2100
static void
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2101
e1000_free_tx_resources(struct e1000_adapter *adapter,
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2102
                        struct e1000_tx_ring *tx_ring)
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2103
{
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2104
	struct pci_dev *pdev = adapter->pdev;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2105
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2106
	e1000_clean_tx_ring(adapter, tx_ring);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2107
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2108
	vfree(tx_ring->buffer_info);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2109
	tx_ring->buffer_info = NULL;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2110
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2111
	pci_free_consistent(pdev, tx_ring->size, tx_ring->desc, tx_ring->dma);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2112
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2113
	tx_ring->desc = NULL;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2114
}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2115
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2116
/**
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2117
 * e1000_free_all_tx_resources - Free Tx Resources for All Queues
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2118
 * @adapter: board private structure
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2119
 *
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2120
 * Free all transmit software resources
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2121
 **/
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2122
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2123
void
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2124
e1000_free_all_tx_resources(struct e1000_adapter *adapter)
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2125
{
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2126
	int i;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2127
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2128
	for (i = 0; i < adapter->num_tx_queues; i++)
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2129
		e1000_free_tx_resources(adapter, &adapter->tx_ring[i]);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2130
}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2131
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2132
static void
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2133
e1000_unmap_and_free_tx_resource(struct e1000_adapter *adapter,
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2134
			struct e1000_buffer *buffer_info)
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2135
{
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2136
	if (buffer_info->dma) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2137
		pci_unmap_page(adapter->pdev,
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2138
				buffer_info->dma,
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2139
				buffer_info->length,
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2140
				PCI_DMA_TODEVICE);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2141
		buffer_info->dma = 0;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2142
	}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2143
	if (buffer_info->skb) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2144
		dev_kfree_skb_any(buffer_info->skb);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2145
		buffer_info->skb = NULL;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2146
	}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2147
	/* buffer_info must be completely set up in the transmit path */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2148
}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2149
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2150
/**
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2151
 * e1000_clean_tx_ring - Free Tx Buffers
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2152
 * @adapter: board private structure
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2153
 * @tx_ring: ring to be cleaned
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2154
 **/
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2155
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2156
static void
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2157
e1000_clean_tx_ring(struct e1000_adapter *adapter,
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2158
                    struct e1000_tx_ring *tx_ring)
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2159
{
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2160
	struct e1000_buffer *buffer_info;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2161
	unsigned long size;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2162
	unsigned int i;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2163
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2164
	/* Free all the Tx ring sk_buffs */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2165
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2166
	for (i = 0; i < tx_ring->count; i++) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2167
		buffer_info = &tx_ring->buffer_info[i];
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2168
		e1000_unmap_and_free_tx_resource(adapter, buffer_info);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2169
	}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2170
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2171
	size = sizeof(struct e1000_buffer) * tx_ring->count;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2172
	memset(tx_ring->buffer_info, 0, size);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2173
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2174
	/* Zero out the descriptor ring */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2175
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2176
	memset(tx_ring->desc, 0, tx_ring->size);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2177
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2178
	tx_ring->next_to_use = 0;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2179
	tx_ring->next_to_clean = 0;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2180
	tx_ring->last_tx_tso = 0;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2181
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2182
	writel(0, adapter->hw.hw_addr + tx_ring->tdh);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2183
	writel(0, adapter->hw.hw_addr + tx_ring->tdt);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2184
}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2185
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2186
/**
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2187
 * e1000_clean_all_tx_rings - Free Tx Buffers for all queues
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2188
 * @adapter: board private structure
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2189
 **/
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2190
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2191
static void
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2192
e1000_clean_all_tx_rings(struct e1000_adapter *adapter)
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2193
{
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2194
	int i;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2195
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2196
	for (i = 0; i < adapter->num_tx_queues; i++)
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2197
		e1000_clean_tx_ring(adapter, &adapter->tx_ring[i]);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2198
}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2199
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2200
/**
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2201
 * e1000_free_rx_resources - Free Rx Resources
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2202
 * @adapter: board private structure
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2203
 * @rx_ring: ring to clean the resources from
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2204
 *
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2205
 * Free all receive software resources
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2206
 **/
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2207
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2208
static void
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2209
e1000_free_rx_resources(struct e1000_adapter *adapter,
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2210
                        struct e1000_rx_ring *rx_ring)
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2211
{
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2212
	struct pci_dev *pdev = adapter->pdev;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2213
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2214
	e1000_clean_rx_ring(adapter, rx_ring);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2215
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2216
	vfree(rx_ring->buffer_info);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2217
	rx_ring->buffer_info = NULL;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2218
	kfree(rx_ring->ps_page);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2219
	rx_ring->ps_page = NULL;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2220
	kfree(rx_ring->ps_page_dma);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2221
	rx_ring->ps_page_dma = NULL;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2222
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2223
	pci_free_consistent(pdev, rx_ring->size, rx_ring->desc, rx_ring->dma);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2224
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2225
	rx_ring->desc = NULL;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2226
}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2227
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2228
/**
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2229
 * e1000_free_all_rx_resources - Free Rx Resources for All Queues
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2230
 * @adapter: board private structure
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2231
 *
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2232
 * Free all receive software resources
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2233
 **/
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2234
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2235
void
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2236
e1000_free_all_rx_resources(struct e1000_adapter *adapter)
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2237
{
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2238
	int i;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2239
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2240
	for (i = 0; i < adapter->num_rx_queues; i++)
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2241
		e1000_free_rx_resources(adapter, &adapter->rx_ring[i]);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2242
}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2243
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2244
/**
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2245
 * e1000_clean_rx_ring - Free Rx Buffers per Queue
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2246
 * @adapter: board private structure
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2247
 * @rx_ring: ring to free buffers from
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2248
 **/
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2249
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2250
static void
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2251
e1000_clean_rx_ring(struct e1000_adapter *adapter,
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2252
                    struct e1000_rx_ring *rx_ring)
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2253
{
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2254
	struct e1000_buffer *buffer_info;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2255
	struct e1000_ps_page *ps_page;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2256
	struct e1000_ps_page_dma *ps_page_dma;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2257
	struct pci_dev *pdev = adapter->pdev;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2258
	unsigned long size;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2259
	unsigned int i, j;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2260
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2261
	/* Free all the Rx ring sk_buffs */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2262
	for (i = 0; i < rx_ring->count; i++) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2263
		buffer_info = &rx_ring->buffer_info[i];
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2264
		if (buffer_info->skb) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2265
			pci_unmap_single(pdev,
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2266
					 buffer_info->dma,
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2267
					 buffer_info->length,
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2268
					 PCI_DMA_FROMDEVICE);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2269
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2270
			dev_kfree_skb(buffer_info->skb);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2271
			buffer_info->skb = NULL;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2272
		}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2273
		ps_page = &rx_ring->ps_page[i];
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2274
		ps_page_dma = &rx_ring->ps_page_dma[i];
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2275
		for (j = 0; j < adapter->rx_ps_pages; j++) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2276
			if (!ps_page->ps_page[j]) break;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2277
			pci_unmap_page(pdev,
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2278
				       ps_page_dma->ps_page_dma[j],
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2279
				       PAGE_SIZE, PCI_DMA_FROMDEVICE);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2280
			ps_page_dma->ps_page_dma[j] = 0;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2281
			put_page(ps_page->ps_page[j]);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2282
			ps_page->ps_page[j] = NULL;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2283
		}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2284
	}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2285
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2286
	size = sizeof(struct e1000_buffer) * rx_ring->count;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2287
	memset(rx_ring->buffer_info, 0, size);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2288
	size = sizeof(struct e1000_ps_page) * rx_ring->count;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2289
	memset(rx_ring->ps_page, 0, size);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2290
	size = sizeof(struct e1000_ps_page_dma) * rx_ring->count;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2291
	memset(rx_ring->ps_page_dma, 0, size);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2292
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2293
	/* Zero out the descriptor ring */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2294
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2295
	memset(rx_ring->desc, 0, rx_ring->size);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2296
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2297
	rx_ring->next_to_clean = 0;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2298
	rx_ring->next_to_use = 0;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2299
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2300
	writel(0, adapter->hw.hw_addr + rx_ring->rdh);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2301
	writel(0, adapter->hw.hw_addr + rx_ring->rdt);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2302
}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2303
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2304
/**
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2305
 * e1000_clean_all_rx_rings - Free Rx Buffers for all queues
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2306
 * @adapter: board private structure
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2307
 **/
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2308
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2309
static void
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2310
e1000_clean_all_rx_rings(struct e1000_adapter *adapter)
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2311
{
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2312
	int i;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2313
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2314
	for (i = 0; i < adapter->num_rx_queues; i++)
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2315
		e1000_clean_rx_ring(adapter, &adapter->rx_ring[i]);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2316
}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2317
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2318
/* The 82542 2.0 (revision 2) needs to have the receive unit in reset
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2319
 * and memory write and invalidate disabled for certain operations
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2320
 */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2321
static void
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2322
e1000_enter_82542_rst(struct e1000_adapter *adapter)
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2323
{
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2324
	struct net_device *netdev = adapter->netdev;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2325
	uint32_t rctl;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2326
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2327
	e1000_pci_clear_mwi(&adapter->hw);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2328
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2329
	rctl = E1000_READ_REG(&adapter->hw, RCTL);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2330
	rctl |= E1000_RCTL_RST;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2331
	E1000_WRITE_REG(&adapter->hw, RCTL, rctl);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2332
	E1000_WRITE_FLUSH(&adapter->hw);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2333
	mdelay(5);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2334
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2335
	if (netif_running(netdev))
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2336
		e1000_clean_all_rx_rings(adapter);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2337
}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2338
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2339
static void
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2340
e1000_leave_82542_rst(struct e1000_adapter *adapter)
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2341
{
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2342
	struct net_device *netdev = adapter->netdev;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2343
	uint32_t rctl;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2344
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2345
	rctl = E1000_READ_REG(&adapter->hw, RCTL);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2346
	rctl &= ~E1000_RCTL_RST;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2347
	E1000_WRITE_REG(&adapter->hw, RCTL, rctl);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2348
	E1000_WRITE_FLUSH(&adapter->hw);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2349
	mdelay(5);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2350
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2351
	if (adapter->hw.pci_cmd_word & PCI_COMMAND_INVALIDATE)
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2352
		e1000_pci_set_mwi(&adapter->hw);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2353
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2354
	if (netif_running(netdev)) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2355
		/* No need to loop, because 82542 supports only 1 queue */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2356
		struct e1000_rx_ring *ring = &adapter->rx_ring[0];
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2357
		e1000_configure_rx(adapter);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2358
		adapter->alloc_rx_buf(adapter, ring, E1000_DESC_UNUSED(ring));
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2359
	}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2360
}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2361
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2362
/**
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2363
 * e1000_set_mac - Change the Ethernet Address of the NIC
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2364
 * @netdev: network interface device structure
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2365
 * @p: pointer to an address structure
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2366
 *
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2367
 * Returns 0 on success, negative on failure
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2368
 **/
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2369
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2370
static int
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2371
e1000_set_mac(struct net_device *netdev, void *p)
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2372
{
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2373
	struct e1000_adapter *adapter = netdev_priv(netdev);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2374
	struct sockaddr *addr = p;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2375
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2376
	if (!is_valid_ether_addr(addr->sa_data))
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2377
		return -EADDRNOTAVAIL;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2378
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2379
	/* 82542 2.0 needs to be in reset to write receive address registers */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2380
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2381
	if (adapter->hw.mac_type == e1000_82542_rev2_0)
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2382
		e1000_enter_82542_rst(adapter);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2383
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2384
	memcpy(netdev->dev_addr, addr->sa_data, netdev->addr_len);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2385
	memcpy(adapter->hw.mac_addr, addr->sa_data, netdev->addr_len);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2386
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2387
	e1000_rar_set(&adapter->hw, adapter->hw.mac_addr, 0);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2388
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2389
	/* With 82571 controllers, LAA may be overwritten (with the default)
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2390
	 * due to controller reset from the other port. */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2391
	if (adapter->hw.mac_type == e1000_82571) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2392
		/* activate the work around */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2393
		adapter->hw.laa_is_present = 1;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2394
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2395
		/* Hold a copy of the LAA in RAR[14] This is done so that
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2396
		 * between the time RAR[0] gets clobbered  and the time it
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2397
		 * gets fixed (in e1000_watchdog), the actual LAA is in one
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2398
		 * of the RARs and no incoming packets directed to this port
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2399
		 * are dropped. Eventaully the LAA will be in RAR[0] and
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2400
		 * RAR[14] */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2401
		e1000_rar_set(&adapter->hw, adapter->hw.mac_addr,
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2402
					E1000_RAR_ENTRIES - 1);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2403
	}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2404
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2405
	if (adapter->hw.mac_type == e1000_82542_rev2_0)
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2406
		e1000_leave_82542_rst(adapter);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2407
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2408
	return 0;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2409
}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2410
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2411
/**
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2412
 * e1000_set_multi - Multicast and Promiscuous mode set
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2413
 * @netdev: network interface device structure
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2414
 *
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2415
 * The set_multi entry point is called whenever the multicast address
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2416
 * list or the network interface flags are updated.  This routine is
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2417
 * responsible for configuring the hardware for proper multicast,
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2418
 * promiscuous mode, and all-multi behavior.
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2419
 **/
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2420
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2421
static void
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2422
e1000_set_multi(struct net_device *netdev)
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2423
{
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2424
	struct e1000_adapter *adapter = netdev_priv(netdev);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2425
	struct e1000_hw *hw = &adapter->hw;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2426
	struct dev_mc_list *mc_ptr;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2427
	uint32_t rctl;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2428
	uint32_t hash_value;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2429
	int i, rar_entries = E1000_RAR_ENTRIES;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2430
	int mta_reg_count = (hw->mac_type == e1000_ich8lan) ?
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2431
				E1000_NUM_MTA_REGISTERS_ICH8LAN :
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2432
				E1000_NUM_MTA_REGISTERS;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2433
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2434
	if (adapter->hw.mac_type == e1000_ich8lan)
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2435
		rar_entries = E1000_RAR_ENTRIES_ICH8LAN;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2436
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2437
	/* reserve RAR[14] for LAA over-write work-around */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2438
	if (adapter->hw.mac_type == e1000_82571)
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2439
		rar_entries--;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2440
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2441
	/* Check for Promiscuous and All Multicast modes */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2442
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2443
	rctl = E1000_READ_REG(hw, RCTL);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2444
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2445
	if (netdev->flags & IFF_PROMISC) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2446
		rctl |= (E1000_RCTL_UPE | E1000_RCTL_MPE);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2447
	} else if (netdev->flags & IFF_ALLMULTI) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2448
		rctl |= E1000_RCTL_MPE;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2449
		rctl &= ~E1000_RCTL_UPE;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2450
	} else {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2451
		rctl &= ~(E1000_RCTL_UPE | E1000_RCTL_MPE);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2452
	}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2453
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2454
	E1000_WRITE_REG(hw, RCTL, rctl);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2455
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2456
	/* 82542 2.0 needs to be in reset to write receive address registers */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2457
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2458
	if (hw->mac_type == e1000_82542_rev2_0)
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2459
		e1000_enter_82542_rst(adapter);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2460
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2461
	/* load the first 14 multicast address into the exact filters 1-14
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2462
	 * RAR 0 is used for the station MAC adddress
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2463
	 * if there are not 14 addresses, go ahead and clear the filters
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2464
	 * -- with 82571 controllers only 0-13 entries are filled here
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2465
	 */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2466
	mc_ptr = netdev->mc_list;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2467
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2468
	for (i = 1; i < rar_entries; i++) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2469
		if (mc_ptr) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2470
			e1000_rar_set(hw, mc_ptr->dmi_addr, i);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2471
			mc_ptr = mc_ptr->next;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2472
		} else {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2473
			E1000_WRITE_REG_ARRAY(hw, RA, i << 1, 0);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2474
			E1000_WRITE_FLUSH(hw);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2475
			E1000_WRITE_REG_ARRAY(hw, RA, (i << 1) + 1, 0);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2476
			E1000_WRITE_FLUSH(hw);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2477
		}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2478
	}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2479
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2480
	/* clear the old settings from the multicast hash table */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2481
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2482
	for (i = 0; i < mta_reg_count; i++) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2483
		E1000_WRITE_REG_ARRAY(hw, MTA, i, 0);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2484
		E1000_WRITE_FLUSH(hw);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2485
	}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2486
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2487
	/* load any remaining addresses into the hash table */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2488
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2489
	for (; mc_ptr; mc_ptr = mc_ptr->next) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2490
		hash_value = e1000_hash_mc_addr(hw, mc_ptr->dmi_addr);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2491
		e1000_mta_set(hw, hash_value);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2492
	}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2493
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2494
	if (hw->mac_type == e1000_82542_rev2_0)
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2495
		e1000_leave_82542_rst(adapter);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2496
}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2497
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2498
/* Need to wait a few seconds after link up to get diagnostic information from
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2499
 * the phy */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2500
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2501
static void
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2502
e1000_update_phy_info(unsigned long data)
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2503
{
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2504
	struct e1000_adapter *adapter = (struct e1000_adapter *) data;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2505
	e1000_phy_get_info(&adapter->hw, &adapter->phy_info);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2506
}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2507
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2508
/**
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2509
 * e1000_82547_tx_fifo_stall - Timer Call-back
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2510
 * @data: pointer to adapter cast into an unsigned long
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2511
 **/
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2512
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2513
static void
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2514
e1000_82547_tx_fifo_stall(unsigned long data)
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2515
{
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2516
	struct e1000_adapter *adapter = (struct e1000_adapter *) data;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2517
	struct net_device *netdev = adapter->netdev;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2518
	uint32_t tctl;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2519
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2520
	if (atomic_read(&adapter->tx_fifo_stall)) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2521
		if ((E1000_READ_REG(&adapter->hw, TDT) ==
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2522
		    E1000_READ_REG(&adapter->hw, TDH)) &&
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2523
		   (E1000_READ_REG(&adapter->hw, TDFT) ==
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2524
		    E1000_READ_REG(&adapter->hw, TDFH)) &&
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2525
		   (E1000_READ_REG(&adapter->hw, TDFTS) ==
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2526
		    E1000_READ_REG(&adapter->hw, TDFHS))) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2527
			tctl = E1000_READ_REG(&adapter->hw, TCTL);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2528
			E1000_WRITE_REG(&adapter->hw, TCTL,
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2529
					tctl & ~E1000_TCTL_EN);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2530
			E1000_WRITE_REG(&adapter->hw, TDFT,
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2531
					adapter->tx_head_addr);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2532
			E1000_WRITE_REG(&adapter->hw, TDFH,
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2533
					adapter->tx_head_addr);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2534
			E1000_WRITE_REG(&adapter->hw, TDFTS,
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2535
					adapter->tx_head_addr);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2536
			E1000_WRITE_REG(&adapter->hw, TDFHS,
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2537
					adapter->tx_head_addr);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2538
			E1000_WRITE_REG(&adapter->hw, TCTL, tctl);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2539
			E1000_WRITE_FLUSH(&adapter->hw);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2540
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2541
			adapter->tx_fifo_head = 0;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2542
			atomic_set(&adapter->tx_fifo_stall, 0);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2543
			netif_wake_queue(netdev);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2544
		} else {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2545
			mod_timer(&adapter->tx_fifo_stall_timer, jiffies + 1);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2546
		}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2547
	}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2548
}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2549
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2550
/**
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2551
 * e1000_watchdog - Timer Call-back
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2552
 * @data: pointer to adapter cast into an unsigned long
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2553
 **/
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2554
static void
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2555
e1000_watchdog(unsigned long data)
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2556
{
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2557
	struct e1000_adapter *adapter = (struct e1000_adapter *) data;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2558
	struct net_device *netdev = adapter->netdev;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2559
	struct e1000_tx_ring *txdr = adapter->tx_ring;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2560
	uint32_t link, tctl;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2561
	int32_t ret_val;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2562
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2563
	ret_val = e1000_check_for_link(&adapter->hw);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2564
	if ((ret_val == E1000_ERR_PHY) &&
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2565
	    (adapter->hw.phy_type == e1000_phy_igp_3) &&
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2566
	    (E1000_READ_REG(&adapter->hw, CTRL) & E1000_PHY_CTRL_GBE_DISABLE)) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2567
		/* See e1000_kumeran_lock_loss_workaround() */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2568
		DPRINTK(LINK, INFO,
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2569
			"Gigabit has been disabled, downgrading speed\n");
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2570
	}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2571
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2572
	if (adapter->hw.mac_type == e1000_82573) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2573
		e1000_enable_tx_pkt_filtering(&adapter->hw);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2574
		if (adapter->mng_vlan_id != adapter->hw.mng_cookie.vlan_id)
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2575
			e1000_update_mng_vlan(adapter);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2576
	}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2577
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2578
	if ((adapter->hw.media_type == e1000_media_type_internal_serdes) &&
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2579
	   !(E1000_READ_REG(&adapter->hw, TXCW) & E1000_TXCW_ANE))
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2580
		link = !adapter->hw.serdes_link_down;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2581
	else
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2582
		link = E1000_READ_REG(&adapter->hw, STATUS) & E1000_STATUS_LU;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2583
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2584
	if (link) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2585
		if (!netif_carrier_ok(netdev)) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2586
			boolean_t txb2b = 1;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2587
			e1000_get_speed_and_duplex(&adapter->hw,
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2588
			                           &adapter->link_speed,
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2589
			                           &adapter->link_duplex);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2590
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2591
			DPRINTK(LINK, INFO, "NIC Link is Up %d Mbps %s\n",
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2592
			       adapter->link_speed,
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2593
			       adapter->link_duplex == FULL_DUPLEX ?
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2594
			       "Full Duplex" : "Half Duplex");
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2595
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2596
			/* tweak tx_queue_len according to speed/duplex
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2597
			 * and adjust the timeout factor */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2598
			netdev->tx_queue_len = adapter->tx_queue_len;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2599
			adapter->tx_timeout_factor = 1;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2600
			switch (adapter->link_speed) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2601
			case SPEED_10:
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2602
				txb2b = 0;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2603
				netdev->tx_queue_len = 10;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2604
				adapter->tx_timeout_factor = 8;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2605
				break;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2606
			case SPEED_100:
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2607
				txb2b = 0;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2608
				netdev->tx_queue_len = 100;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2609
				/* maybe add some timeout factor ? */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2610
				break;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2611
			}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2612
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2613
			if ((adapter->hw.mac_type == e1000_82571 ||
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2614
			     adapter->hw.mac_type == e1000_82572) &&
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2615
			    txb2b == 0) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2616
				uint32_t tarc0;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2617
				tarc0 = E1000_READ_REG(&adapter->hw, TARC0);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2618
				tarc0 &= ~(1 << 21);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2619
				E1000_WRITE_REG(&adapter->hw, TARC0, tarc0);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2620
			}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2621
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2622
#ifdef NETIF_F_TSO
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2623
			/* disable TSO for pcie and 10/100 speeds, to avoid
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2624
			 * some hardware issues */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2625
			if (!adapter->tso_force &&
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2626
			    adapter->hw.bus_type == e1000_bus_type_pci_express){
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2627
				switch (adapter->link_speed) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2628
				case SPEED_10:
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2629
				case SPEED_100:
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2630
					DPRINTK(PROBE,INFO,
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2631
				        "10/100 speed: disabling TSO\n");
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2632
					netdev->features &= ~NETIF_F_TSO;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2633
#ifdef NETIF_F_TSO6
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2634
					netdev->features &= ~NETIF_F_TSO6;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2635
#endif
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2636
					break;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2637
				case SPEED_1000:
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2638
					netdev->features |= NETIF_F_TSO;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2639
#ifdef NETIF_F_TSO6
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2640
					netdev->features |= NETIF_F_TSO6;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2641
#endif
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2642
					break;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2643
				default:
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2644
					/* oops */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2645
					break;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2646
				}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2647
			}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2648
#endif
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2649
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2650
			/* enable transmits in the hardware, need to do this
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2651
			 * after setting TARC0 */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2652
			tctl = E1000_READ_REG(&adapter->hw, TCTL);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2653
			tctl |= E1000_TCTL_EN;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2654
			E1000_WRITE_REG(&adapter->hw, TCTL, tctl);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2655
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2656
			netif_carrier_on(netdev);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2657
			netif_wake_queue(netdev);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2658
			mod_timer(&adapter->phy_info_timer, jiffies + 2 * HZ);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2659
			adapter->smartspeed = 0;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2660
		} else {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2661
			/* make sure the receive unit is started */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2662
			if (adapter->hw.rx_needs_kicking) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2663
				struct e1000_hw *hw = &adapter->hw;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2664
				uint32_t rctl = E1000_READ_REG(hw, RCTL);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2665
				E1000_WRITE_REG(hw, RCTL, rctl | E1000_RCTL_EN);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2666
			}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2667
		}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2668
	} else {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2669
		if (netif_carrier_ok(netdev)) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2670
			adapter->link_speed = 0;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2671
			adapter->link_duplex = 0;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2672
			DPRINTK(LINK, INFO, "NIC Link is Down\n");
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2673
			netif_carrier_off(netdev);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2674
			netif_stop_queue(netdev);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2675
			mod_timer(&adapter->phy_info_timer, jiffies + 2 * HZ);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2676
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2677
			/* 80003ES2LAN workaround--
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2678
			 * For packet buffer work-around on link down event;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2679
			 * disable receives in the ISR and
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2680
			 * reset device here in the watchdog
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2681
			 */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2682
			if (adapter->hw.mac_type == e1000_80003es2lan)
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2683
				/* reset device */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2684
				schedule_work(&adapter->reset_task);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2685
		}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2686
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2687
		e1000_smartspeed(adapter);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2688
	}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2689
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2690
	e1000_update_stats(adapter);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2691
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2692
	adapter->hw.tx_packet_delta = adapter->stats.tpt - adapter->tpt_old;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2693
	adapter->tpt_old = adapter->stats.tpt;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2694
	adapter->hw.collision_delta = adapter->stats.colc - adapter->colc_old;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2695
	adapter->colc_old = adapter->stats.colc;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2696
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2697
	adapter->gorcl = adapter->stats.gorcl - adapter->gorcl_old;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2698
	adapter->gorcl_old = adapter->stats.gorcl;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2699
	adapter->gotcl = adapter->stats.gotcl - adapter->gotcl_old;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2700
	adapter->gotcl_old = adapter->stats.gotcl;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2701
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2702
	e1000_update_adaptive(&adapter->hw);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2703
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2704
	if (!netif_carrier_ok(netdev)) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2705
		if (E1000_DESC_UNUSED(txdr) + 1 < txdr->count) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2706
			/* We've lost link, so the controller stops DMA,
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2707
			 * but we've got queued Tx work that's never going
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2708
			 * to get done, so reset controller to flush Tx.
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2709
			 * (Do the reset outside of interrupt context). */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2710
			adapter->tx_timeout_count++;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2711
			schedule_work(&adapter->reset_task);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2712
		}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2713
	}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2714
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2715
	/* Cause software interrupt to ensure rx ring is cleaned */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2716
	E1000_WRITE_REG(&adapter->hw, ICS, E1000_ICS_RXDMT0);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2717
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2718
	/* Force detection of hung controller every watchdog period */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2719
	adapter->detect_tx_hung = TRUE;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2720
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2721
	/* With 82571 controllers, LAA may be overwritten due to controller
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2722
	 * reset from the other port. Set the appropriate LAA in RAR[0] */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2723
	if (adapter->hw.mac_type == e1000_82571 && adapter->hw.laa_is_present)
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2724
		e1000_rar_set(&adapter->hw, adapter->hw.mac_addr, 0);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2725
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2726
	/* Reset the timer */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2727
	mod_timer(&adapter->watchdog_timer, jiffies + 2 * HZ);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2728
}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2729
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2730
enum latency_range {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2731
	lowest_latency = 0,
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2732
	low_latency = 1,
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2733
	bulk_latency = 2,
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2734
	latency_invalid = 255
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2735
};
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2736
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2737
/**
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2738
 * e1000_update_itr - update the dynamic ITR value based on statistics
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2739
 *      Stores a new ITR value based on packets and byte
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2740
 *      counts during the last interrupt.  The advantage of per interrupt
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2741
 *      computation is faster updates and more accurate ITR for the current
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2742
 *      traffic pattern.  Constants in this function were computed
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2743
 *      based on theoretical maximum wire speed and thresholds were set based
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2744
 *      on testing data as well as attempting to minimize response time
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2745
 *      while increasing bulk throughput.
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2746
 *      this functionality is controlled by the InterruptThrottleRate module
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2747
 *      parameter (see e1000_param.c)
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2748
 * @adapter: pointer to adapter
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2749
 * @itr_setting: current adapter->itr
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2750
 * @packets: the number of packets during this measurement interval
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2751
 * @bytes: the number of bytes during this measurement interval
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2752
 **/
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2753
static unsigned int e1000_update_itr(struct e1000_adapter *adapter,
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2754
                                   uint16_t itr_setting,
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2755
                                   int packets,
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2756
                                   int bytes)
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2757
{
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2758
	unsigned int retval = itr_setting;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2759
	struct e1000_hw *hw = &adapter->hw;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2760
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2761
	if (unlikely(hw->mac_type < e1000_82540))
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2762
		goto update_itr_done;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2763
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2764
	if (packets == 0)
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2765
		goto update_itr_done;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2766
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2767
	switch (itr_setting) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2768
	case lowest_latency:
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2769
		/* jumbo frames get bulk treatment*/
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2770
		if (bytes/packets > 8000)
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2771
			retval = bulk_latency;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2772
		else if ((packets < 5) && (bytes > 512))
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2773
			retval = low_latency;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2774
		break;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2775
	case low_latency:  /* 50 usec aka 20000 ints/s */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2776
		if (bytes > 10000) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2777
			/* jumbo frames need bulk latency setting */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2778
			if (bytes/packets > 8000)
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2779
				retval = bulk_latency;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2780
			else if ((packets < 10) || ((bytes/packets) > 1200))
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2781
				retval = bulk_latency;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2782
			else if ((packets > 35))
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2783
				retval = lowest_latency;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2784
		} else if (bytes/packets > 2000)
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2785
			retval = bulk_latency;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2786
		else if (packets <= 2 && bytes < 512)
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2787
			retval = lowest_latency;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2788
		break;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2789
	case bulk_latency: /* 250 usec aka 4000 ints/s */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2790
		if (bytes > 25000) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2791
			if (packets > 35)
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2792
				retval = low_latency;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2793
		} else if (bytes < 6000) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2794
			retval = low_latency;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2795
		}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2796
		break;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2797
	}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2798
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2799
update_itr_done:
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2800
	return retval;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2801
}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2802
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2803
static void e1000_set_itr(struct e1000_adapter *adapter)
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2804
{
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2805
	struct e1000_hw *hw = &adapter->hw;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2806
	uint16_t current_itr;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2807
	uint32_t new_itr = adapter->itr;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2808
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2809
	if (unlikely(hw->mac_type < e1000_82540))
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2810
		return;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2811
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2812
	/* for non-gigabit speeds, just fix the interrupt rate at 4000 */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2813
	if (unlikely(adapter->link_speed != SPEED_1000)) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2814
		current_itr = 0;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2815
		new_itr = 4000;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2816
		goto set_itr_now;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2817
	}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2818
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2819
	adapter->tx_itr = e1000_update_itr(adapter,
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2820
	                            adapter->tx_itr,
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2821
	                            adapter->total_tx_packets,
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2822
	                            adapter->total_tx_bytes);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2823
	/* conservative mode (itr 3) eliminates the lowest_latency setting */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2824
	if (adapter->itr_setting == 3 && adapter->tx_itr == lowest_latency)
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2825
		adapter->tx_itr = low_latency;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2826
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2827
	adapter->rx_itr = e1000_update_itr(adapter,
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2828
	                            adapter->rx_itr,
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2829
	                            adapter->total_rx_packets,
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2830
	                            adapter->total_rx_bytes);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2831
	/* conservative mode (itr 3) eliminates the lowest_latency setting */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2832
	if (adapter->itr_setting == 3 && adapter->rx_itr == lowest_latency)
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2833
		adapter->rx_itr = low_latency;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2834
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2835
	current_itr = max(adapter->rx_itr, adapter->tx_itr);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2836
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2837
	switch (current_itr) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2838
	/* counts and packets in update_itr are dependent on these numbers */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2839
	case lowest_latency:
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2840
		new_itr = 70000;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2841
		break;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2842
	case low_latency:
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2843
		new_itr = 20000; /* aka hwitr = ~200 */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2844
		break;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2845
	case bulk_latency:
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2846
		new_itr = 4000;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2847
		break;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2848
	default:
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2849
		break;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2850
	}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2851
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2852
set_itr_now:
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2853
	if (new_itr != adapter->itr) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2854
		/* this attempts to bias the interrupt rate towards Bulk
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2855
		 * by adding intermediate steps when interrupt rate is
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2856
		 * increasing */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2857
		new_itr = new_itr > adapter->itr ?
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2858
		             min(adapter->itr + (new_itr >> 2), new_itr) :
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2859
		             new_itr;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2860
		adapter->itr = new_itr;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2861
		E1000_WRITE_REG(hw, ITR, 1000000000 / (new_itr * 256));
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2862
	}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2863
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2864
	return;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2865
}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2866
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2867
#define E1000_TX_FLAGS_CSUM		0x00000001
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2868
#define E1000_TX_FLAGS_VLAN		0x00000002
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2869
#define E1000_TX_FLAGS_TSO		0x00000004
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2870
#define E1000_TX_FLAGS_IPV4		0x00000008
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2871
#define E1000_TX_FLAGS_VLAN_MASK	0xffff0000
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2872
#define E1000_TX_FLAGS_VLAN_SHIFT	16
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2873
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2874
static int
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2875
e1000_tso(struct e1000_adapter *adapter, struct e1000_tx_ring *tx_ring,
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2876
          struct sk_buff *skb)
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2877
{
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2878
#ifdef NETIF_F_TSO
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2879
	struct e1000_context_desc *context_desc;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2880
	struct e1000_buffer *buffer_info;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2881
	unsigned int i;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2882
	uint32_t cmd_length = 0;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2883
	uint16_t ipcse = 0, tucse, mss;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2884
	uint8_t ipcss, ipcso, tucss, tucso, hdr_len;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2885
	int err;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2886
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2887
	if (skb_is_gso(skb)) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2888
		if (skb_header_cloned(skb)) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2889
			err = pskb_expand_head(skb, 0, 0, GFP_ATOMIC);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2890
			if (err)
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2891
				return err;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2892
		}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2893
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2894
		hdr_len = ((skb->h.raw - skb->data) + (skb->h.th->doff << 2));
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2895
		mss = skb_shinfo(skb)->gso_size;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2896
		if (skb->protocol == htons(ETH_P_IP)) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2897
			skb->nh.iph->tot_len = 0;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2898
			skb->nh.iph->check = 0;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2899
			skb->h.th->check =
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2900
				~csum_tcpudp_magic(skb->nh.iph->saddr,
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2901
						   skb->nh.iph->daddr,
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2902
						   0,
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2903
						   IPPROTO_TCP,
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2904
						   0);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2905
			cmd_length = E1000_TXD_CMD_IP;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2906
			ipcse = skb->h.raw - skb->data - 1;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2907
#ifdef NETIF_F_TSO6
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2908
		} else if (skb->protocol == htons(ETH_P_IPV6)) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2909
			skb->nh.ipv6h->payload_len = 0;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2910
			skb->h.th->check =
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2911
				~csum_ipv6_magic(&skb->nh.ipv6h->saddr,
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2912
						 &skb->nh.ipv6h->daddr,
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2913
						 0,
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2914
						 IPPROTO_TCP,
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2915
						 0);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2916
			ipcse = 0;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2917
#endif
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2918
		}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2919
		ipcss = skb->nh.raw - skb->data;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2920
		ipcso = (void *)&(skb->nh.iph->check) - (void *)skb->data;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2921
		tucss = skb->h.raw - skb->data;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2922
		tucso = (void *)&(skb->h.th->check) - (void *)skb->data;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2923
		tucse = 0;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2924
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2925
		cmd_length |= (E1000_TXD_CMD_DEXT | E1000_TXD_CMD_TSE |
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2926
			       E1000_TXD_CMD_TCP | (skb->len - (hdr_len)));
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2927
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2928
		i = tx_ring->next_to_use;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2929
		context_desc = E1000_CONTEXT_DESC(*tx_ring, i);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2930
		buffer_info = &tx_ring->buffer_info[i];
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2931
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2932
		context_desc->lower_setup.ip_fields.ipcss  = ipcss;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2933
		context_desc->lower_setup.ip_fields.ipcso  = ipcso;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2934
		context_desc->lower_setup.ip_fields.ipcse  = cpu_to_le16(ipcse);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2935
		context_desc->upper_setup.tcp_fields.tucss = tucss;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2936
		context_desc->upper_setup.tcp_fields.tucso = tucso;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2937
		context_desc->upper_setup.tcp_fields.tucse = cpu_to_le16(tucse);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2938
		context_desc->tcp_seg_setup.fields.mss     = cpu_to_le16(mss);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2939
		context_desc->tcp_seg_setup.fields.hdr_len = hdr_len;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2940
		context_desc->cmd_and_length = cpu_to_le32(cmd_length);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2941
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2942
		buffer_info->time_stamp = jiffies;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2943
		buffer_info->next_to_watch = i;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2944
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2945
		if (++i == tx_ring->count) i = 0;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2946
		tx_ring->next_to_use = i;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2947
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2948
		return TRUE;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2949
	}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2950
#endif
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2951
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2952
	return FALSE;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2953
}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2954
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2955
static boolean_t
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2956
e1000_tx_csum(struct e1000_adapter *adapter, struct e1000_tx_ring *tx_ring,
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2957
              struct sk_buff *skb)
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2958
{
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2959
	struct e1000_context_desc *context_desc;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2960
	struct e1000_buffer *buffer_info;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2961
	unsigned int i;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2962
	uint8_t css;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2963
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2964
	if (likely(skb->ip_summed == CHECKSUM_PARTIAL)) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2965
		css = skb->h.raw - skb->data;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2966
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2967
		i = tx_ring->next_to_use;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2968
		buffer_info = &tx_ring->buffer_info[i];
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2969
		context_desc = E1000_CONTEXT_DESC(*tx_ring, i);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2970
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2971
		context_desc->upper_setup.tcp_fields.tucss = css;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2972
		context_desc->upper_setup.tcp_fields.tucso = css + skb->csum_offset;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2973
		context_desc->upper_setup.tcp_fields.tucse = 0;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2974
		context_desc->tcp_seg_setup.data = 0;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2975
		context_desc->cmd_and_length = cpu_to_le32(E1000_TXD_CMD_DEXT);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2976
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2977
		buffer_info->time_stamp = jiffies;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2978
		buffer_info->next_to_watch = i;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2979
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2980
		if (unlikely(++i == tx_ring->count)) i = 0;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2981
		tx_ring->next_to_use = i;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2982
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2983
		return TRUE;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2984
	}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2985
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2986
	return FALSE;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2987
}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2988
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2989
#define E1000_MAX_TXD_PWR	12
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2990
#define E1000_MAX_DATA_PER_TXD	(1<<E1000_MAX_TXD_PWR)
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2991
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2992
static int
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2993
e1000_tx_map(struct e1000_adapter *adapter, struct e1000_tx_ring *tx_ring,
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2994
             struct sk_buff *skb, unsigned int first, unsigned int max_per_txd,
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2995
             unsigned int nr_frags, unsigned int mss)
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2996
{
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2997
	struct e1000_buffer *buffer_info;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2998
	unsigned int len = skb->len;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2999
	unsigned int offset = 0, size, count = 0, i;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3000
	unsigned int f;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3001
	len -= skb->data_len;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3002
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3003
	i = tx_ring->next_to_use;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3004
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3005
	while (len) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3006
		buffer_info = &tx_ring->buffer_info[i];
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3007
		size = min(len, max_per_txd);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3008
#ifdef NETIF_F_TSO
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3009
		/* Workaround for Controller erratum --
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3010
		 * descriptor for non-tso packet in a linear SKB that follows a
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3011
		 * tso gets written back prematurely before the data is fully
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3012
		 * DMA'd to the controller */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3013
		if (!skb->data_len && tx_ring->last_tx_tso &&
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3014
		    !skb_is_gso(skb)) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3015
			tx_ring->last_tx_tso = 0;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3016
			size -= 4;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3017
		}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3018
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3019
		/* Workaround for premature desc write-backs
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3020
		 * in TSO mode.  Append 4-byte sentinel desc */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3021
		if (unlikely(mss && !nr_frags && size == len && size > 8))
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3022
			size -= 4;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3023
#endif
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3024
		/* work-around for errata 10 and it applies
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3025
		 * to all controllers in PCI-X mode
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3026
		 * The fix is to make sure that the first descriptor of a
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3027
		 * packet is smaller than 2048 - 16 - 16 (or 2016) bytes
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3028
		 */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3029
		if (unlikely((adapter->hw.bus_type == e1000_bus_type_pcix) &&
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3030
		                (size > 2015) && count == 0))
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3031
		        size = 2015;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3032
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3033
		/* Workaround for potential 82544 hang in PCI-X.  Avoid
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3034
		 * terminating buffers within evenly-aligned dwords. */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3035
		if (unlikely(adapter->pcix_82544 &&
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3036
		   !((unsigned long)(skb->data + offset + size - 1) & 4) &&
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3037
		   size > 4))
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3038
			size -= 4;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3039
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3040
		buffer_info->length = size;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3041
		buffer_info->dma =
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3042
			pci_map_single(adapter->pdev,
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3043
				skb->data + offset,
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3044
				size,
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3045
				PCI_DMA_TODEVICE);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3046
		buffer_info->time_stamp = jiffies;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3047
		buffer_info->next_to_watch = i;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3048
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3049
		len -= size;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3050
		offset += size;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3051
		count++;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3052
		if (unlikely(++i == tx_ring->count)) i = 0;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3053
	}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3054
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3055
	for (f = 0; f < nr_frags; f++) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3056
		struct skb_frag_struct *frag;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3057
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3058
		frag = &skb_shinfo(skb)->frags[f];
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3059
		len = frag->size;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3060
		offset = frag->page_offset;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3061
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3062
		while (len) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3063
			buffer_info = &tx_ring->buffer_info[i];
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3064
			size = min(len, max_per_txd);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3065
#ifdef NETIF_F_TSO
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3066
			/* Workaround for premature desc write-backs
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3067
			 * in TSO mode.  Append 4-byte sentinel desc */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3068
			if (unlikely(mss && f == (nr_frags-1) && size == len && size > 8))
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3069
				size -= 4;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3070
#endif
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3071
			/* Workaround for potential 82544 hang in PCI-X.
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3072
			 * Avoid terminating buffers within evenly-aligned
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3073
			 * dwords. */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3074
			if (unlikely(adapter->pcix_82544 &&
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3075
			   !((unsigned long)(frag->page+offset+size-1) & 4) &&
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3076
			   size > 4))
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3077
				size -= 4;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3078
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3079
			buffer_info->length = size;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3080
			buffer_info->dma =
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3081
				pci_map_page(adapter->pdev,
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3082
					frag->page,
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3083
					offset,
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3084
					size,
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3085
					PCI_DMA_TODEVICE);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3086
			buffer_info->time_stamp = jiffies;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3087
			buffer_info->next_to_watch = i;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3088
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3089
			len -= size;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3090
			offset += size;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3091
			count++;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3092
			if (unlikely(++i == tx_ring->count)) i = 0;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3093
		}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3094
	}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3095
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3096
	i = (i == 0) ? tx_ring->count - 1 : i - 1;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3097
	tx_ring->buffer_info[i].skb = skb;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3098
	tx_ring->buffer_info[first].next_to_watch = i;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3099
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3100
	return count;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3101
}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3102
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3103
static void
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3104
e1000_tx_queue(struct e1000_adapter *adapter, struct e1000_tx_ring *tx_ring,
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3105
               int tx_flags, int count)
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3106
{
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3107
	struct e1000_tx_desc *tx_desc = NULL;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3108
	struct e1000_buffer *buffer_info;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3109
	uint32_t txd_upper = 0, txd_lower = E1000_TXD_CMD_IFCS;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3110
	unsigned int i;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3111
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3112
	if (likely(tx_flags & E1000_TX_FLAGS_TSO)) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3113
		txd_lower |= E1000_TXD_CMD_DEXT | E1000_TXD_DTYP_D |
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3114
		             E1000_TXD_CMD_TSE;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3115
		txd_upper |= E1000_TXD_POPTS_TXSM << 8;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3116
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3117
		if (likely(tx_flags & E1000_TX_FLAGS_IPV4))
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3118
			txd_upper |= E1000_TXD_POPTS_IXSM << 8;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3119
	}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3120
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3121
	if (likely(tx_flags & E1000_TX_FLAGS_CSUM)) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3122
		txd_lower |= E1000_TXD_CMD_DEXT | E1000_TXD_DTYP_D;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3123
		txd_upper |= E1000_TXD_POPTS_TXSM << 8;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3124
	}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3125
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3126
	if (unlikely(tx_flags & E1000_TX_FLAGS_VLAN)) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3127
		txd_lower |= E1000_TXD_CMD_VLE;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3128
		txd_upper |= (tx_flags & E1000_TX_FLAGS_VLAN_MASK);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3129
	}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3130
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3131
	i = tx_ring->next_to_use;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3132
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3133
	while (count--) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3134
		buffer_info = &tx_ring->buffer_info[i];
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3135
		tx_desc = E1000_TX_DESC(*tx_ring, i);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3136
		tx_desc->buffer_addr = cpu_to_le64(buffer_info->dma);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3137
		tx_desc->lower.data =
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3138
			cpu_to_le32(txd_lower | buffer_info->length);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3139
		tx_desc->upper.data = cpu_to_le32(txd_upper);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3140
		if (unlikely(++i == tx_ring->count)) i = 0;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3141
	}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3142
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3143
	tx_desc->lower.data |= cpu_to_le32(adapter->txd_cmd);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3144
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3145
	/* Force memory writes to complete before letting h/w
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3146
	 * know there are new descriptors to fetch.  (Only
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3147
	 * applicable for weak-ordered memory model archs,
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3148
	 * such as IA-64). */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3149
	wmb();
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3150
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3151
	tx_ring->next_to_use = i;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3152
	writel(i, adapter->hw.hw_addr + tx_ring->tdt);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3153
	/* we need this if more than one processor can write to our tail
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3154
	 * at a time, it syncronizes IO on IA64/Altix systems */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3155
	mmiowb();
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3156
}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3157
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3158
/**
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3159
 * 82547 workaround to avoid controller hang in half-duplex environment.
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3160
 * The workaround is to avoid queuing a large packet that would span
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3161
 * the internal Tx FIFO ring boundary by notifying the stack to resend
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3162
 * the packet at a later time.  This gives the Tx FIFO an opportunity to
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3163
 * flush all packets.  When that occurs, we reset the Tx FIFO pointers
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3164
 * to the beginning of the Tx FIFO.
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3165
 **/
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3166
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3167
#define E1000_FIFO_HDR			0x10
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3168
#define E1000_82547_PAD_LEN		0x3E0
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3169
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3170
static int
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3171
e1000_82547_fifo_workaround(struct e1000_adapter *adapter, struct sk_buff *skb)
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3172
{
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3173
	uint32_t fifo_space = adapter->tx_fifo_size - adapter->tx_fifo_head;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3174
	uint32_t skb_fifo_len = skb->len + E1000_FIFO_HDR;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3175
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3176
	E1000_ROUNDUP(skb_fifo_len, E1000_FIFO_HDR);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3177
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3178
	if (adapter->link_duplex != HALF_DUPLEX)
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3179
		goto no_fifo_stall_required;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3180
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3181
	if (atomic_read(&adapter->tx_fifo_stall))
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3182
		return 1;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3183
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3184
	if (skb_fifo_len >= (E1000_82547_PAD_LEN + fifo_space)) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3185
		atomic_set(&adapter->tx_fifo_stall, 1);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3186
		return 1;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3187
	}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3188
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3189
no_fifo_stall_required:
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3190
	adapter->tx_fifo_head += skb_fifo_len;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3191
	if (adapter->tx_fifo_head >= adapter->tx_fifo_size)
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3192
		adapter->tx_fifo_head -= adapter->tx_fifo_size;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3193
	return 0;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3194
}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3195
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3196
#define MINIMUM_DHCP_PACKET_SIZE 282
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3197
static int
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3198
e1000_transfer_dhcp_info(struct e1000_adapter *adapter, struct sk_buff *skb)
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3199
{
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3200
	struct e1000_hw *hw =  &adapter->hw;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3201
	uint16_t length, offset;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3202
	if (vlan_tx_tag_present(skb)) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3203
		if (!((vlan_tx_tag_get(skb) == adapter->hw.mng_cookie.vlan_id) &&
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3204
			( adapter->hw.mng_cookie.status &
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3205
			  E1000_MNG_DHCP_COOKIE_STATUS_VLAN_SUPPORT)) )
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3206
			return 0;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3207
	}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3208
	if (skb->len > MINIMUM_DHCP_PACKET_SIZE) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3209
		struct ethhdr *eth = (struct ethhdr *) skb->data;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3210
		if ((htons(ETH_P_IP) == eth->h_proto)) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3211
			const struct iphdr *ip =
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3212
				(struct iphdr *)((uint8_t *)skb->data+14);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3213
			if (IPPROTO_UDP == ip->protocol) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3214
				struct udphdr *udp =
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3215
					(struct udphdr *)((uint8_t *)ip +
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3216
						(ip->ihl << 2));
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3217
				if (ntohs(udp->dest) == 67) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3218
					offset = (uint8_t *)udp + 8 - skb->data;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3219
					length = skb->len - offset;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3220
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3221
					return e1000_mng_write_dhcp_info(hw,
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3222
							(uint8_t *)udp + 8,
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3223
							length);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3224
				}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3225
			}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3226
		}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3227
	}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3228
	return 0;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3229
}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3230
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3231
static int __e1000_maybe_stop_tx(struct net_device *netdev, int size)
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3232
{
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3233
	struct e1000_adapter *adapter = netdev_priv(netdev);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3234
	struct e1000_tx_ring *tx_ring = adapter->tx_ring;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3235
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3236
	netif_stop_queue(netdev);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3237
	/* Herbert's original patch had:
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3238
	 *  smp_mb__after_netif_stop_queue();
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3239
	 * but since that doesn't exist yet, just open code it. */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3240
	smp_mb();
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3241
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3242
	/* We need to check again in a case another CPU has just
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3243
	 * made room available. */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3244
	if (likely(E1000_DESC_UNUSED(tx_ring) < size))
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3245
		return -EBUSY;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3246
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3247
	/* A reprieve! */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3248
	netif_start_queue(netdev);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3249
	++adapter->restart_queue;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3250
	return 0;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3251
}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3252
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3253
static int e1000_maybe_stop_tx(struct net_device *netdev,
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3254
                               struct e1000_tx_ring *tx_ring, int size)
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3255
{
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3256
	if (likely(E1000_DESC_UNUSED(tx_ring) >= size))
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3257
		return 0;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3258
	return __e1000_maybe_stop_tx(netdev, size);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3259
}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3260
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3261
#define TXD_USE_COUNT(S, X) (((S) >> (X)) + 1 )
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3262
static int
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3263
e1000_xmit_frame(struct sk_buff *skb, struct net_device *netdev)
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3264
{
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3265
	struct e1000_adapter *adapter = netdev_priv(netdev);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3266
	struct e1000_tx_ring *tx_ring;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3267
	unsigned int first, max_per_txd = E1000_MAX_DATA_PER_TXD;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3268
	unsigned int max_txd_pwr = E1000_MAX_TXD_PWR;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3269
	unsigned int tx_flags = 0;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3270
	unsigned int len = skb->len;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3271
	unsigned long flags;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3272
	unsigned int nr_frags = 0;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3273
	unsigned int mss = 0;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3274
	int count = 0;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3275
	int tso;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3276
	unsigned int f;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3277
	len -= skb->data_len;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3278
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3279
	/* This goes back to the question of how to logically map a tx queue
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3280
	 * to a flow.  Right now, performance is impacted slightly negatively
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3281
	 * if using multiple tx queues.  If the stack breaks away from a
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3282
	 * single qdisc implementation, we can look at this again. */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3283
	tx_ring = adapter->tx_ring;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3284
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3285
	if (unlikely(skb->len <= 0)) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3286
		dev_kfree_skb_any(skb);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3287
		return NETDEV_TX_OK;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3288
	}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3289
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3290
	/* 82571 and newer doesn't need the workaround that limited descriptor
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3291
	 * length to 4kB */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3292
	if (adapter->hw.mac_type >= e1000_82571)
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3293
		max_per_txd = 8192;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3294
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3295
#ifdef NETIF_F_TSO
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3296
	mss = skb_shinfo(skb)->gso_size;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3297
	/* The controller does a simple calculation to
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3298
	 * make sure there is enough room in the FIFO before
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3299
	 * initiating the DMA for each buffer.  The calc is:
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3300
	 * 4 = ceil(buffer len/mss).  To make sure we don't
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3301
	 * overrun the FIFO, adjust the max buffer len if mss
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3302
	 * drops. */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3303
	if (mss) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3304
		uint8_t hdr_len;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3305
		max_per_txd = min(mss << 2, max_per_txd);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3306
		max_txd_pwr = fls(max_per_txd) - 1;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3307
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3308
		/* TSO Workaround for 82571/2/3 Controllers -- if skb->data
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3309
		* points to just header, pull a few bytes of payload from
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3310
		* frags into skb->data */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3311
		hdr_len = ((skb->h.raw - skb->data) + (skb->h.th->doff << 2));
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3312
		if (skb->data_len && (hdr_len == (skb->len - skb->data_len))) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3313
			switch (adapter->hw.mac_type) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3314
				unsigned int pull_size;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3315
			case e1000_82544:
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3316
				/* Make sure we have room to chop off 4 bytes,
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3317
				 * and that the end alignment will work out to
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3318
				 * this hardware's requirements
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3319
				 * NOTE: this is a TSO only workaround
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3320
				 * if end byte alignment not correct move us
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3321
				 * into the next dword */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3322
				if ((unsigned long)(skb->tail - 1) & 4)
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3323
					break;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3324
				/* fall through */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3325
			case e1000_82571:
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3326
			case e1000_82572:
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3327
			case e1000_82573:
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3328
			case e1000_ich8lan:
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3329
				pull_size = min((unsigned int)4, skb->data_len);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3330
				if (!__pskb_pull_tail(skb, pull_size)) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3331
					DPRINTK(DRV, ERR,
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3332
						"__pskb_pull_tail failed.\n");
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3333
					dev_kfree_skb_any(skb);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3334
					return NETDEV_TX_OK;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3335
				}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3336
				len = skb->len - skb->data_len;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3337
				break;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3338
			default:
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3339
				/* do nothing */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3340
				break;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3341
			}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3342
		}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3343
	}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3344
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3345
	/* reserve a descriptor for the offload context */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3346
	if ((mss) || (skb->ip_summed == CHECKSUM_PARTIAL))
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3347
		count++;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3348
	count++;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3349
#else
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3350
	if (skb->ip_summed == CHECKSUM_PARTIAL)
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3351
		count++;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3352
#endif
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3353
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3354
#ifdef NETIF_F_TSO
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3355
	/* Controller Erratum workaround */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3356
	if (!skb->data_len && tx_ring->last_tx_tso && !skb_is_gso(skb))
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3357
		count++;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3358
#endif
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3359
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3360
	count += TXD_USE_COUNT(len, max_txd_pwr);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3361
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3362
	if (adapter->pcix_82544)
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3363
		count++;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3364
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3365
	/* work-around for errata 10 and it applies to all controllers
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3366
	 * in PCI-X mode, so add one more descriptor to the count
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3367
	 */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3368
	if (unlikely((adapter->hw.bus_type == e1000_bus_type_pcix) &&
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3369
			(len > 2015)))
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3370
		count++;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3371
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3372
	nr_frags = skb_shinfo(skb)->nr_frags;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3373
	for (f = 0; f < nr_frags; f++)
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3374
		count += TXD_USE_COUNT(skb_shinfo(skb)->frags[f].size,
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3375
				       max_txd_pwr);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3376
	if (adapter->pcix_82544)
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3377
		count += nr_frags;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3378
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3379
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3380
	if (adapter->hw.tx_pkt_filtering &&
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3381
	    (adapter->hw.mac_type == e1000_82573))
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3382
		e1000_transfer_dhcp_info(adapter, skb);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3383
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3384
	local_irq_save(flags);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3385
	if (!spin_trylock(&tx_ring->tx_lock)) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3386
		/* Collision - tell upper layer to requeue */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3387
		local_irq_restore(flags);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3388
		return NETDEV_TX_LOCKED;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3389
	}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3390
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3391
	/* need: count + 2 desc gap to keep tail from touching
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3392
	 * head, otherwise try next time */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3393
	if (unlikely(e1000_maybe_stop_tx(netdev, tx_ring, count + 2))) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3394
		spin_unlock_irqrestore(&tx_ring->tx_lock, flags);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3395
		return NETDEV_TX_BUSY;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3396
	}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3397
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3398
	if (unlikely(adapter->hw.mac_type == e1000_82547)) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3399
		if (unlikely(e1000_82547_fifo_workaround(adapter, skb))) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3400
			netif_stop_queue(netdev);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3401
			mod_timer(&adapter->tx_fifo_stall_timer, jiffies + 1);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3402
			spin_unlock_irqrestore(&tx_ring->tx_lock, flags);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3403
			return NETDEV_TX_BUSY;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3404
		}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3405
	}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3406
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3407
	if (unlikely(adapter->vlgrp && vlan_tx_tag_present(skb))) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3408
		tx_flags |= E1000_TX_FLAGS_VLAN;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3409
		tx_flags |= (vlan_tx_tag_get(skb) << E1000_TX_FLAGS_VLAN_SHIFT);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3410
	}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3411
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3412
	first = tx_ring->next_to_use;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3413
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3414
	tso = e1000_tso(adapter, tx_ring, skb);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3415
	if (tso < 0) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3416
		dev_kfree_skb_any(skb);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3417
		spin_unlock_irqrestore(&tx_ring->tx_lock, flags);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3418
		return NETDEV_TX_OK;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3419
	}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3420
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3421
	if (likely(tso)) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3422
		tx_ring->last_tx_tso = 1;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3423
		tx_flags |= E1000_TX_FLAGS_TSO;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3424
	} else if (likely(e1000_tx_csum(adapter, tx_ring, skb)))
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3425
		tx_flags |= E1000_TX_FLAGS_CSUM;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3426
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3427
	/* Old method was to assume IPv4 packet by default if TSO was enabled.
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3428
	 * 82571 hardware supports TSO capabilities for IPv6 as well...
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3429
	 * no longer assume, we must. */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3430
	if (likely(skb->protocol == htons(ETH_P_IP)))
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3431
		tx_flags |= E1000_TX_FLAGS_IPV4;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3432
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3433
	e1000_tx_queue(adapter, tx_ring, tx_flags,
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3434
	               e1000_tx_map(adapter, tx_ring, skb, first,
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3435
	                            max_per_txd, nr_frags, mss));
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3436
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3437
	netdev->trans_start = jiffies;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3438
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3439
	/* Make sure there is space in the ring for the next send. */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3440
	e1000_maybe_stop_tx(netdev, tx_ring, MAX_SKB_FRAGS + 2);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3441
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3442
	spin_unlock_irqrestore(&tx_ring->tx_lock, flags);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3443
	return NETDEV_TX_OK;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3444
}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3445
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3446
/**
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3447
 * e1000_tx_timeout - Respond to a Tx Hang
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3448
 * @netdev: network interface device structure
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3449
 **/
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3450
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3451
static void
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3452
e1000_tx_timeout(struct net_device *netdev)
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3453
{
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3454
	struct e1000_adapter *adapter = netdev_priv(netdev);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3455
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3456
	/* Do the reset outside of interrupt context */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3457
	adapter->tx_timeout_count++;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3458
	schedule_work(&adapter->reset_task);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3459
}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3460
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3461
static void
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3462
e1000_reset_task(struct work_struct *work)
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3463
{
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3464
	struct e1000_adapter *adapter =
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3465
		container_of(work, struct e1000_adapter, reset_task);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3466
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3467
	e1000_reinit_locked(adapter);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3468
}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3469
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3470
/**
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3471
 * e1000_get_stats - Get System Network Statistics
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3472
 * @netdev: network interface device structure
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3473
 *
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3474
 * Returns the address of the device statistics structure.
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3475
 * The statistics are actually updated from the timer callback.
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3476
 **/
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3477
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3478
static struct net_device_stats *
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3479
e1000_get_stats(struct net_device *netdev)
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3480
{
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3481
	struct e1000_adapter *adapter = netdev_priv(netdev);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3482
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3483
	/* only return the current stats */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3484
	return &adapter->net_stats;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3485
}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3486
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3487
/**
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3488
 * e1000_change_mtu - Change the Maximum Transfer Unit
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3489
 * @netdev: network interface device structure
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3490
 * @new_mtu: new value for maximum frame size
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3491
 *
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3492
 * Returns 0 on success, negative on failure
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3493
 **/
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3494
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3495
static int
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3496
e1000_change_mtu(struct net_device *netdev, int new_mtu)
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3497
{
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3498
	struct e1000_adapter *adapter = netdev_priv(netdev);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3499
	int max_frame = new_mtu + ENET_HEADER_SIZE + ETHERNET_FCS_SIZE;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3500
	uint16_t eeprom_data = 0;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3501
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3502
	if ((max_frame < MINIMUM_ETHERNET_FRAME_SIZE) ||
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3503
	    (max_frame > MAX_JUMBO_FRAME_SIZE)) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3504
		DPRINTK(PROBE, ERR, "Invalid MTU setting\n");
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3505
		return -EINVAL;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3506
	}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3507
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3508
	/* Adapter-specific max frame size limits. */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3509
	switch (adapter->hw.mac_type) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3510
	case e1000_undefined ... e1000_82542_rev2_1:
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3511
	case e1000_ich8lan:
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3512
		if (max_frame > MAXIMUM_ETHERNET_FRAME_SIZE) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3513
			DPRINTK(PROBE, ERR, "Jumbo Frames not supported.\n");
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3514
			return -EINVAL;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3515
		}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3516
		break;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3517
	case e1000_82573:
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3518
		/* Jumbo Frames not supported if:
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3519
		 * - this is not an 82573L device
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3520
		 * - ASPM is enabled in any way (0x1A bits 3:2) */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3521
		e1000_read_eeprom(&adapter->hw, EEPROM_INIT_3GIO_3, 1,
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3522
		                  &eeprom_data);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3523
		if ((adapter->hw.device_id != E1000_DEV_ID_82573L) ||
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3524
		    (eeprom_data & EEPROM_WORD1A_ASPM_MASK)) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3525
			if (max_frame > MAXIMUM_ETHERNET_FRAME_SIZE) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3526
				DPRINTK(PROBE, ERR,
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3527
			            	"Jumbo Frames not supported.\n");
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3528
				return -EINVAL;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3529
			}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3530
			break;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3531
		}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3532
		/* ERT will be enabled later to enable wire speed receives */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3533
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3534
		/* fall through to get support */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3535
	case e1000_82571:
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3536
	case e1000_82572:
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3537
	case e1000_80003es2lan:
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3538
#define MAX_STD_JUMBO_FRAME_SIZE 9234
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3539
		if (max_frame > MAX_STD_JUMBO_FRAME_SIZE) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3540
			DPRINTK(PROBE, ERR, "MTU > 9216 not supported.\n");
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3541
			return -EINVAL;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3542
		}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3543
		break;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3544
	default:
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3545
		/* Capable of supporting up to MAX_JUMBO_FRAME_SIZE limit. */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3546
		break;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3547
	}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3548
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3549
	/* NOTE: netdev_alloc_skb reserves 16 bytes, and typically NET_IP_ALIGN
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3550
	 * means we reserve 2 more, this pushes us to allocate from the next
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3551
	 * larger slab size
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3552
	 * i.e. RXBUFFER_2048 --> size-4096 slab */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3553
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3554
	if (max_frame <= E1000_RXBUFFER_256)
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3555
		adapter->rx_buffer_len = E1000_RXBUFFER_256;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3556
	else if (max_frame <= E1000_RXBUFFER_512)
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3557
		adapter->rx_buffer_len = E1000_RXBUFFER_512;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3558
	else if (max_frame <= E1000_RXBUFFER_1024)
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3559
		adapter->rx_buffer_len = E1000_RXBUFFER_1024;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3560
	else if (max_frame <= E1000_RXBUFFER_2048)
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3561
		adapter->rx_buffer_len = E1000_RXBUFFER_2048;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3562
	else if (max_frame <= E1000_RXBUFFER_4096)
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3563
		adapter->rx_buffer_len = E1000_RXBUFFER_4096;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3564
	else if (max_frame <= E1000_RXBUFFER_8192)
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3565
		adapter->rx_buffer_len = E1000_RXBUFFER_8192;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3566
	else if (max_frame <= E1000_RXBUFFER_16384)
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3567
		adapter->rx_buffer_len = E1000_RXBUFFER_16384;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3568
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3569
	/* adjust allocation if LPE protects us, and we aren't using SBP */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3570
	if (!adapter->hw.tbi_compatibility_on &&
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3571
	    ((max_frame == MAXIMUM_ETHERNET_FRAME_SIZE) ||
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3572
	     (max_frame == MAXIMUM_ETHERNET_VLAN_SIZE)))
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3573
		adapter->rx_buffer_len = MAXIMUM_ETHERNET_VLAN_SIZE;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3574
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3575
	netdev->mtu = new_mtu;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3576
	adapter->hw.max_frame_size = max_frame;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3577
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3578
	if (netif_running(netdev))
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3579
		e1000_reinit_locked(adapter);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3580
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3581
	return 0;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3582
}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3583
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3584
/**
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3585
 * e1000_update_stats - Update the board statistics counters
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3586
 * @adapter: board private structure
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3587
 **/
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3588
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3589
void
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3590
e1000_update_stats(struct e1000_adapter *adapter)
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3591
{
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3592
	struct e1000_hw *hw = &adapter->hw;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3593
	struct pci_dev *pdev = adapter->pdev;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3594
	unsigned long flags;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3595
	uint16_t phy_tmp;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3596
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3597
#define PHY_IDLE_ERROR_COUNT_MASK 0x00FF
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3598
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3599
	/*
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3600
	 * Prevent stats update while adapter is being reset, or if the pci
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3601
	 * connection is down.
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3602
	 */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3603
	if (adapter->link_speed == 0)
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3604
		return;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3605
	if (pdev->error_state && pdev->error_state != pci_channel_io_normal)
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3606
		return;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3607
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3608
	spin_lock_irqsave(&adapter->stats_lock, flags);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3609
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3610
	/* these counters are modified from e1000_adjust_tbi_stats,
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3611
	 * called from the interrupt context, so they must only
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3612
	 * be written while holding adapter->stats_lock
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3613
	 */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3614
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3615
	adapter->stats.crcerrs += E1000_READ_REG(hw, CRCERRS);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3616
	adapter->stats.gprc += E1000_READ_REG(hw, GPRC);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3617
	adapter->stats.gorcl += E1000_READ_REG(hw, GORCL);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3618
	adapter->stats.gorch += E1000_READ_REG(hw, GORCH);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3619
	adapter->stats.bprc += E1000_READ_REG(hw, BPRC);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3620
	adapter->stats.mprc += E1000_READ_REG(hw, MPRC);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3621
	adapter->stats.roc += E1000_READ_REG(hw, ROC);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3622
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3623
	if (adapter->hw.mac_type != e1000_ich8lan) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3624
		adapter->stats.prc64 += E1000_READ_REG(hw, PRC64);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3625
		adapter->stats.prc127 += E1000_READ_REG(hw, PRC127);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3626
		adapter->stats.prc255 += E1000_READ_REG(hw, PRC255);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3627
		adapter->stats.prc511 += E1000_READ_REG(hw, PRC511);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3628
		adapter->stats.prc1023 += E1000_READ_REG(hw, PRC1023);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3629
		adapter->stats.prc1522 += E1000_READ_REG(hw, PRC1522);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3630
	}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3631
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3632
	adapter->stats.symerrs += E1000_READ_REG(hw, SYMERRS);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3633
	adapter->stats.mpc += E1000_READ_REG(hw, MPC);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3634
	adapter->stats.scc += E1000_READ_REG(hw, SCC);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3635
	adapter->stats.ecol += E1000_READ_REG(hw, ECOL);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3636
	adapter->stats.mcc += E1000_READ_REG(hw, MCC);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3637
	adapter->stats.latecol += E1000_READ_REG(hw, LATECOL);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3638
	adapter->stats.dc += E1000_READ_REG(hw, DC);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3639
	adapter->stats.sec += E1000_READ_REG(hw, SEC);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3640
	adapter->stats.rlec += E1000_READ_REG(hw, RLEC);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3641
	adapter->stats.xonrxc += E1000_READ_REG(hw, XONRXC);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3642
	adapter->stats.xontxc += E1000_READ_REG(hw, XONTXC);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3643
	adapter->stats.xoffrxc += E1000_READ_REG(hw, XOFFRXC);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3644
	adapter->stats.xofftxc += E1000_READ_REG(hw, XOFFTXC);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3645
	adapter->stats.fcruc += E1000_READ_REG(hw, FCRUC);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3646
	adapter->stats.gptc += E1000_READ_REG(hw, GPTC);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3647
	adapter->stats.gotcl += E1000_READ_REG(hw, GOTCL);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3648
	adapter->stats.gotch += E1000_READ_REG(hw, GOTCH);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3649
	adapter->stats.rnbc += E1000_READ_REG(hw, RNBC);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3650
	adapter->stats.ruc += E1000_READ_REG(hw, RUC);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3651
	adapter->stats.rfc += E1000_READ_REG(hw, RFC);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3652
	adapter->stats.rjc += E1000_READ_REG(hw, RJC);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3653
	adapter->stats.torl += E1000_READ_REG(hw, TORL);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3654
	adapter->stats.torh += E1000_READ_REG(hw, TORH);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3655
	adapter->stats.totl += E1000_READ_REG(hw, TOTL);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3656
	adapter->stats.toth += E1000_READ_REG(hw, TOTH);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3657
	adapter->stats.tpr += E1000_READ_REG(hw, TPR);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3658
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3659
	if (adapter->hw.mac_type != e1000_ich8lan) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3660
		adapter->stats.ptc64 += E1000_READ_REG(hw, PTC64);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3661
		adapter->stats.ptc127 += E1000_READ_REG(hw, PTC127);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3662
		adapter->stats.ptc255 += E1000_READ_REG(hw, PTC255);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3663
		adapter->stats.ptc511 += E1000_READ_REG(hw, PTC511);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3664
		adapter->stats.ptc1023 += E1000_READ_REG(hw, PTC1023);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3665
		adapter->stats.ptc1522 += E1000_READ_REG(hw, PTC1522);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3666
	}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3667
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3668
	adapter->stats.mptc += E1000_READ_REG(hw, MPTC);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3669
	adapter->stats.bptc += E1000_READ_REG(hw, BPTC);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3670
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3671
	/* used for adaptive IFS */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3672
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3673
	hw->tx_packet_delta = E1000_READ_REG(hw, TPT);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3674
	adapter->stats.tpt += hw->tx_packet_delta;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3675
	hw->collision_delta = E1000_READ_REG(hw, COLC);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3676
	adapter->stats.colc += hw->collision_delta;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3677
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3678
	if (hw->mac_type >= e1000_82543) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3679
		adapter->stats.algnerrc += E1000_READ_REG(hw, ALGNERRC);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3680
		adapter->stats.rxerrc += E1000_READ_REG(hw, RXERRC);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3681
		adapter->stats.tncrs += E1000_READ_REG(hw, TNCRS);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3682
		adapter->stats.cexterr += E1000_READ_REG(hw, CEXTERR);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3683
		adapter->stats.tsctc += E1000_READ_REG(hw, TSCTC);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3684
		adapter->stats.tsctfc += E1000_READ_REG(hw, TSCTFC);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3685
	}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3686
	if (hw->mac_type > e1000_82547_rev_2) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3687
		adapter->stats.iac += E1000_READ_REG(hw, IAC);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3688
		adapter->stats.icrxoc += E1000_READ_REG(hw, ICRXOC);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3689
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3690
		if (adapter->hw.mac_type != e1000_ich8lan) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3691
			adapter->stats.icrxptc += E1000_READ_REG(hw, ICRXPTC);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3692
			adapter->stats.icrxatc += E1000_READ_REG(hw, ICRXATC);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3693
			adapter->stats.ictxptc += E1000_READ_REG(hw, ICTXPTC);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3694
			adapter->stats.ictxatc += E1000_READ_REG(hw, ICTXATC);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3695
			adapter->stats.ictxqec += E1000_READ_REG(hw, ICTXQEC);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3696
			adapter->stats.ictxqmtc += E1000_READ_REG(hw, ICTXQMTC);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3697
			adapter->stats.icrxdmtc += E1000_READ_REG(hw, ICRXDMTC);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3698
		}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3699
	}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3700
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3701
	/* Fill out the OS statistics structure */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3702
	adapter->net_stats.rx_packets = adapter->stats.gprc;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3703
	adapter->net_stats.tx_packets = adapter->stats.gptc;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3704
	adapter->net_stats.rx_bytes = adapter->stats.gorcl;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3705
	adapter->net_stats.tx_bytes = adapter->stats.gotcl;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3706
	adapter->net_stats.multicast = adapter->stats.mprc;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3707
	adapter->net_stats.collisions = adapter->stats.colc;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3708
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3709
	/* Rx Errors */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3710
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3711
	/* RLEC on some newer hardware can be incorrect so build
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3712
	* our own version based on RUC and ROC */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3713
	adapter->net_stats.rx_errors = adapter->stats.rxerrc +
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3714
		adapter->stats.crcerrs + adapter->stats.algnerrc +
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3715
		adapter->stats.ruc + adapter->stats.roc +
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3716
		adapter->stats.cexterr;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3717
	adapter->stats.rlerrc = adapter->stats.ruc + adapter->stats.roc;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3718
	adapter->net_stats.rx_length_errors = adapter->stats.rlerrc;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3719
	adapter->net_stats.rx_crc_errors = adapter->stats.crcerrs;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3720
	adapter->net_stats.rx_frame_errors = adapter->stats.algnerrc;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3721
	adapter->net_stats.rx_missed_errors = adapter->stats.mpc;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3722
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3723
	/* Tx Errors */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3724
	adapter->stats.txerrc = adapter->stats.ecol + adapter->stats.latecol;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3725
	adapter->net_stats.tx_errors = adapter->stats.txerrc;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3726
	adapter->net_stats.tx_aborted_errors = adapter->stats.ecol;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3727
	adapter->net_stats.tx_window_errors = adapter->stats.latecol;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3728
	adapter->net_stats.tx_carrier_errors = adapter->stats.tncrs;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3729
	if (adapter->hw.bad_tx_carr_stats_fd &&
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3730
	    adapter->link_duplex == FULL_DUPLEX) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3731
		adapter->net_stats.tx_carrier_errors = 0;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3732
		adapter->stats.tncrs = 0;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3733
	}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3734
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3735
	/* Tx Dropped needs to be maintained elsewhere */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3736
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3737
	/* Phy Stats */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3738
	if (hw->media_type == e1000_media_type_copper) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3739
		if ((adapter->link_speed == SPEED_1000) &&
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3740
		   (!e1000_read_phy_reg(hw, PHY_1000T_STATUS, &phy_tmp))) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3741
			phy_tmp &= PHY_IDLE_ERROR_COUNT_MASK;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3742
			adapter->phy_stats.idle_errors += phy_tmp;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3743
		}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3744
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3745
		if ((hw->mac_type <= e1000_82546) &&
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3746
		   (hw->phy_type == e1000_phy_m88) &&
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3747
		   !e1000_read_phy_reg(hw, M88E1000_RX_ERR_CNTR, &phy_tmp))
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3748
			adapter->phy_stats.receive_errors += phy_tmp;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3749
	}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3750
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3751
	/* Management Stats */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3752
	if (adapter->hw.has_smbus) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3753
		adapter->stats.mgptc += E1000_READ_REG(hw, MGTPTC);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3754
		adapter->stats.mgprc += E1000_READ_REG(hw, MGTPRC);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3755
		adapter->stats.mgpdc += E1000_READ_REG(hw, MGTPDC);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3756
	}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3757
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3758
	spin_unlock_irqrestore(&adapter->stats_lock, flags);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3759
}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3760
#ifdef CONFIG_PCI_MSI
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3761
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3762
/**
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3763
 * e1000_intr_msi - Interrupt Handler
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3764
 * @irq: interrupt number
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3765
 * @data: pointer to a network interface device structure
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3766
 **/
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3767
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3768
static
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3769
irqreturn_t e1000_intr_msi(int irq, void *data)
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3770
{
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3771
	struct net_device *netdev = data;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3772
	struct e1000_adapter *adapter = netdev_priv(netdev);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3773
	struct e1000_hw *hw = &adapter->hw;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3774
#ifndef CONFIG_E1000_NAPI
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3775
	int i;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3776
#endif
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3777
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3778
	/* this code avoids the read of ICR but has to get 1000 interrupts
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3779
	 * at every link change event before it will notice the change */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3780
	if (++adapter->detect_link >= 1000) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3781
		uint32_t icr = E1000_READ_REG(hw, ICR);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3782
#ifdef CONFIG_E1000_NAPI
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3783
		/* read ICR disables interrupts using IAM, so keep up with our
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3784
		 * enable/disable accounting */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3785
		atomic_inc(&adapter->irq_sem);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3786
#endif
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3787
		adapter->detect_link = 0;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3788
		if ((icr & (E1000_ICR_RXSEQ | E1000_ICR_LSC)) &&
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3789
		    (icr & E1000_ICR_INT_ASSERTED)) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3790
			hw->get_link_status = 1;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3791
			/* 80003ES2LAN workaround--
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3792
			* For packet buffer work-around on link down event;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3793
			* disable receives here in the ISR and
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3794
			* reset adapter in watchdog
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3795
			*/
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3796
			if (netif_carrier_ok(netdev) &&
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3797
			    (adapter->hw.mac_type == e1000_80003es2lan)) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3798
				/* disable receives */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3799
				uint32_t rctl = E1000_READ_REG(hw, RCTL);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3800
				E1000_WRITE_REG(hw, RCTL, rctl & ~E1000_RCTL_EN);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3801
			}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3802
			/* guard against interrupt when we're going down */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3803
			if (!test_bit(__E1000_DOWN, &adapter->flags))
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3804
				mod_timer(&adapter->watchdog_timer,
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3805
				          jiffies + 1);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3806
		}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3807
	} else {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3808
		E1000_WRITE_REG(hw, ICR, (0xffffffff & ~(E1000_ICR_RXSEQ |
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3809
		                                         E1000_ICR_LSC)));
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3810
		/* bummer we have to flush here, but things break otherwise as
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3811
		 * some event appears to be lost or delayed and throughput
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3812
		 * drops.  In almost all tests this flush is un-necessary */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3813
		E1000_WRITE_FLUSH(hw);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3814
#ifdef CONFIG_E1000_NAPI
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3815
		/* Interrupt Auto-Mask (IAM)...upon writing ICR, interrupts are
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3816
		 * masked.  No need for the IMC write, but it does mean we
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3817
		 * should account for it ASAP. */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3818
		atomic_inc(&adapter->irq_sem);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3819
#endif
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3820
	}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3821
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3822
#ifdef CONFIG_E1000_NAPI
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3823
	if (likely(netif_rx_schedule_prep(netdev))) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3824
		adapter->total_tx_bytes = 0;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3825
		adapter->total_tx_packets = 0;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3826
		adapter->total_rx_bytes = 0;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3827
		adapter->total_rx_packets = 0;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3828
		__netif_rx_schedule(netdev);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3829
	} else
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3830
		e1000_irq_enable(adapter);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3831
#else
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3832
	adapter->total_tx_bytes = 0;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3833
	adapter->total_rx_bytes = 0;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3834
	adapter->total_tx_packets = 0;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3835
	adapter->total_rx_packets = 0;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3836
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3837
	for (i = 0; i < E1000_MAX_INTR; i++)
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3838
		if (unlikely(!adapter->clean_rx(adapter, adapter->rx_ring) &
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3839
		   !e1000_clean_tx_irq(adapter, adapter->tx_ring)))
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3840
			break;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3841
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3842
	if (likely(adapter->itr_setting & 3))
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3843
		e1000_set_itr(adapter);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3844
#endif
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3845
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3846
	return IRQ_HANDLED;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3847
}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3848
#endif
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3849
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3850
/**
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3851
 * e1000_intr - Interrupt Handler
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3852
 * @irq: interrupt number
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3853
 * @data: pointer to a network interface device structure
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3854
 **/
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3855
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3856
static irqreturn_t
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3857
e1000_intr(int irq, void *data)
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3858
{
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3859
	struct net_device *netdev = data;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3860
	struct e1000_adapter *adapter = netdev_priv(netdev);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3861
	struct e1000_hw *hw = &adapter->hw;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3862
	uint32_t rctl, icr = E1000_READ_REG(hw, ICR);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3863
#ifndef CONFIG_E1000_NAPI
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3864
	int i;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3865
#endif
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3866
	if (unlikely(!icr))
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3867
		return IRQ_NONE;  /* Not our interrupt */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3868
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3869
#ifdef CONFIG_E1000_NAPI
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3870
	/* IMS will not auto-mask if INT_ASSERTED is not set, and if it is
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3871
	 * not set, then the adapter didn't send an interrupt */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3872
	if (unlikely(hw->mac_type >= e1000_82571 &&
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3873
	             !(icr & E1000_ICR_INT_ASSERTED)))
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3874
		return IRQ_NONE;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3875
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3876
	/* Interrupt Auto-Mask...upon reading ICR,
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3877
	 * interrupts are masked.  No need for the
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3878
	 * IMC write, but it does mean we should
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3879
	 * account for it ASAP. */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3880
	if (likely(hw->mac_type >= e1000_82571))
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3881
		atomic_inc(&adapter->irq_sem);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3882
#endif
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3883
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3884
	if (unlikely(icr & (E1000_ICR_RXSEQ | E1000_ICR_LSC))) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3885
		hw->get_link_status = 1;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3886
		/* 80003ES2LAN workaround--
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3887
		 * For packet buffer work-around on link down event;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3888
		 * disable receives here in the ISR and
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3889
		 * reset adapter in watchdog
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3890
		 */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3891
		if (netif_carrier_ok(netdev) &&
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3892
		    (adapter->hw.mac_type == e1000_80003es2lan)) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3893
			/* disable receives */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3894
			rctl = E1000_READ_REG(hw, RCTL);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3895
			E1000_WRITE_REG(hw, RCTL, rctl & ~E1000_RCTL_EN);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3896
		}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3897
		/* guard against interrupt when we're going down */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3898
		if (!test_bit(__E1000_DOWN, &adapter->flags))
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3899
			mod_timer(&adapter->watchdog_timer, jiffies + 1);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3900
	}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3901
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3902
#ifdef CONFIG_E1000_NAPI
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3903
	if (unlikely(hw->mac_type < e1000_82571)) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3904
		/* disable interrupts, without the synchronize_irq bit */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3905
		atomic_inc(&adapter->irq_sem);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3906
		E1000_WRITE_REG(hw, IMC, ~0);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3907
		E1000_WRITE_FLUSH(hw);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3908
	}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3909
	if (likely(netif_rx_schedule_prep(netdev))) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3910
		adapter->total_tx_bytes = 0;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3911
		adapter->total_tx_packets = 0;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3912
		adapter->total_rx_bytes = 0;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3913
		adapter->total_rx_packets = 0;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3914
		__netif_rx_schedule(netdev);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3915
	} else
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3916
		/* this really should not happen! if it does it is basically a
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3917
		 * bug, but not a hard error, so enable ints and continue */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3918
		e1000_irq_enable(adapter);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3919
#else
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3920
	/* Writing IMC and IMS is needed for 82547.
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3921
	 * Due to Hub Link bus being occupied, an interrupt
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3922
	 * de-assertion message is not able to be sent.
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3923
	 * When an interrupt assertion message is generated later,
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3924
	 * two messages are re-ordered and sent out.
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3925
	 * That causes APIC to think 82547 is in de-assertion
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3926
	 * state, while 82547 is in assertion state, resulting
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3927
	 * in dead lock. Writing IMC forces 82547 into
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3928
	 * de-assertion state.
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3929
	 */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3930
	if (hw->mac_type == e1000_82547 || hw->mac_type == e1000_82547_rev_2) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3931
		atomic_inc(&adapter->irq_sem);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3932
		E1000_WRITE_REG(hw, IMC, ~0);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3933
	}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3934
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3935
	adapter->total_tx_bytes = 0;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3936
	adapter->total_rx_bytes = 0;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3937
	adapter->total_tx_packets = 0;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3938
	adapter->total_rx_packets = 0;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3939
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3940
	for (i = 0; i < E1000_MAX_INTR; i++)
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3941
		if (unlikely(!adapter->clean_rx(adapter, adapter->rx_ring) &
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3942
		   !e1000_clean_tx_irq(adapter, adapter->tx_ring)))
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3943
			break;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3944
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3945
	if (likely(adapter->itr_setting & 3))
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3946
		e1000_set_itr(adapter);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3947
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3948
	if (hw->mac_type == e1000_82547 || hw->mac_type == e1000_82547_rev_2)
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3949
		e1000_irq_enable(adapter);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3950
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3951
#endif
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3952
	return IRQ_HANDLED;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3953
}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3954
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3955
#ifdef CONFIG_E1000_NAPI
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3956
/**
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3957
 * e1000_clean - NAPI Rx polling callback
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3958
 * @adapter: board private structure
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3959
 **/
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3960
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3961
static int
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3962
e1000_clean(struct net_device *poll_dev, int *budget)
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3963
{
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3964
	struct e1000_adapter *adapter;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3965
	int work_to_do = min(*budget, poll_dev->quota);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3966
	int tx_cleaned = 0, work_done = 0;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3967
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3968
	/* Must NOT use netdev_priv macro here. */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3969
	adapter = poll_dev->priv;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3970
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3971
	/* Keep link state information with original netdev */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3972
	if (!netif_carrier_ok(poll_dev))
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3973
		goto quit_polling;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3974
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3975
	/* e1000_clean is called per-cpu.  This lock protects
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3976
	 * tx_ring[0] from being cleaned by multiple cpus
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3977
	 * simultaneously.  A failure obtaining the lock means
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3978
	 * tx_ring[0] is currently being cleaned anyway. */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3979
	if (spin_trylock(&adapter->tx_queue_lock)) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3980
		tx_cleaned = e1000_clean_tx_irq(adapter,
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3981
		                                &adapter->tx_ring[0]);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3982
		spin_unlock(&adapter->tx_queue_lock);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3983
	}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3984
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3985
	adapter->clean_rx(adapter, &adapter->rx_ring[0],
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3986
	                  &work_done, work_to_do);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3987
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3988
	*budget -= work_done;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3989
	poll_dev->quota -= work_done;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3990
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3991
	/* If no Tx and not enough Rx work done, exit the polling mode */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3992
	if ((!tx_cleaned && (work_done == 0)) ||
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3993
	   !netif_running(poll_dev)) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3994
quit_polling:
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3995
		if (likely(adapter->itr_setting & 3))
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3996
			e1000_set_itr(adapter);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3997
		netif_rx_complete(poll_dev);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3998
		e1000_irq_enable(adapter);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3999
		return 0;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4000
	}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4001
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4002
	return 1;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4003
}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4004
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4005
#endif
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4006
/**
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4007
 * e1000_clean_tx_irq - Reclaim resources after transmit completes
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4008
 * @adapter: board private structure
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4009
 **/
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4010
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4011
static boolean_t
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4012
e1000_clean_tx_irq(struct e1000_adapter *adapter,
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4013
                   struct e1000_tx_ring *tx_ring)
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4014
{
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4015
	struct net_device *netdev = adapter->netdev;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4016
	struct e1000_tx_desc *tx_desc, *eop_desc;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4017
	struct e1000_buffer *buffer_info;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4018
	unsigned int i, eop;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4019
#ifdef CONFIG_E1000_NAPI
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4020
	unsigned int count = 0;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4021
#endif
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4022
	boolean_t cleaned = FALSE;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4023
	unsigned int total_tx_bytes=0, total_tx_packets=0;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4024
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4025
	i = tx_ring->next_to_clean;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4026
	eop = tx_ring->buffer_info[i].next_to_watch;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4027
	eop_desc = E1000_TX_DESC(*tx_ring, eop);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4028
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4029
	while (eop_desc->upper.data & cpu_to_le32(E1000_TXD_STAT_DD)) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4030
		for (cleaned = FALSE; !cleaned; ) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4031
			tx_desc = E1000_TX_DESC(*tx_ring, i);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4032
			buffer_info = &tx_ring->buffer_info[i];
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4033
			cleaned = (i == eop);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4034
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4035
			if (cleaned) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4036
				struct sk_buff *skb = buffer_info->skb;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4037
				unsigned int segs = skb_shinfo(skb)->gso_segs;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4038
				total_tx_packets += segs;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4039
				total_tx_packets++;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4040
				total_tx_bytes += skb->len;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4041
			}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4042
			e1000_unmap_and_free_tx_resource(adapter, buffer_info);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4043
			tx_desc->upper.data = 0;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4044
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4045
			if (unlikely(++i == tx_ring->count)) i = 0;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4046
		}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4047
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4048
		eop = tx_ring->buffer_info[i].next_to_watch;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4049
		eop_desc = E1000_TX_DESC(*tx_ring, eop);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4050
#ifdef CONFIG_E1000_NAPI
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4051
#define E1000_TX_WEIGHT 64
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4052
		/* weight of a sort for tx, to avoid endless transmit cleanup */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4053
		if (count++ == E1000_TX_WEIGHT) break;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4054
#endif
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4055
	}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4056
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4057
	tx_ring->next_to_clean = i;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4058
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4059
#define TX_WAKE_THRESHOLD 32
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4060
	if (unlikely(cleaned && netif_carrier_ok(netdev) &&
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4061
		     E1000_DESC_UNUSED(tx_ring) >= TX_WAKE_THRESHOLD)) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4062
		/* Make sure that anybody stopping the queue after this
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4063
		 * sees the new next_to_clean.
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4064
		 */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4065
		smp_mb();
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4066
		if (netif_queue_stopped(netdev)) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4067
			netif_wake_queue(netdev);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4068
			++adapter->restart_queue;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4069
		}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4070
	}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4071
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4072
	if (adapter->detect_tx_hung) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4073
		/* Detect a transmit hang in hardware, this serializes the
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4074
		 * check with the clearing of time_stamp and movement of i */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4075
		adapter->detect_tx_hung = FALSE;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4076
		if (tx_ring->buffer_info[eop].dma &&
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4077
		    time_after(jiffies, tx_ring->buffer_info[eop].time_stamp +
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4078
		               (adapter->tx_timeout_factor * HZ))
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4079
		    && !(E1000_READ_REG(&adapter->hw, STATUS) &
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4080
		         E1000_STATUS_TXOFF)) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4081
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4082
			/* detected Tx unit hang */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4083
			DPRINTK(DRV, ERR, "Detected Tx Unit Hang\n"
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4084
					"  Tx Queue             <%lu>\n"
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4085
					"  TDH                  <%x>\n"
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4086
					"  TDT                  <%x>\n"
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4087
					"  next_to_use          <%x>\n"
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4088
					"  next_to_clean        <%x>\n"
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4089
					"buffer_info[next_to_clean]\n"
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4090
					"  time_stamp           <%lx>\n"
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4091
					"  next_to_watch        <%x>\n"
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4092
					"  jiffies              <%lx>\n"
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4093
					"  next_to_watch.status <%x>\n",
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4094
				(unsigned long)((tx_ring - adapter->tx_ring) /
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4095
					sizeof(struct e1000_tx_ring)),
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4096
				readl(adapter->hw.hw_addr + tx_ring->tdh),
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4097
				readl(adapter->hw.hw_addr + tx_ring->tdt),
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4098
				tx_ring->next_to_use,
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4099
				tx_ring->next_to_clean,
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4100
				tx_ring->buffer_info[eop].time_stamp,
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4101
				eop,
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4102
				jiffies,
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4103
				eop_desc->upper.fields.status);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4104
			netif_stop_queue(netdev);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4105
		}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4106
	}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4107
	adapter->total_tx_bytes += total_tx_bytes;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4108
	adapter->total_tx_packets += total_tx_packets;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4109
	return cleaned;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4110
}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4111
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4112
/**
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4113
 * e1000_rx_checksum - Receive Checksum Offload for 82543
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4114
 * @adapter:     board private structure
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4115
 * @status_err:  receive descriptor status and error fields
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4116
 * @csum:        receive descriptor csum field
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4117
 * @sk_buff:     socket buffer with received data
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4118
 **/
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4119
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4120
static void
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4121
e1000_rx_checksum(struct e1000_adapter *adapter,
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4122
		  uint32_t status_err, uint32_t csum,
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4123
		  struct sk_buff *skb)
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4124
{
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4125
	uint16_t status = (uint16_t)status_err;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4126
	uint8_t errors = (uint8_t)(status_err >> 24);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4127
	skb->ip_summed = CHECKSUM_NONE;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4128
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4129
	/* 82543 or newer only */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4130
	if (unlikely(adapter->hw.mac_type < e1000_82543)) return;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4131
	/* Ignore Checksum bit is set */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4132
	if (unlikely(status & E1000_RXD_STAT_IXSM)) return;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4133
	/* TCP/UDP checksum error bit is set */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4134
	if (unlikely(errors & E1000_RXD_ERR_TCPE)) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4135
		/* let the stack verify checksum errors */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4136
		adapter->hw_csum_err++;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4137
		return;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4138
	}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4139
	/* TCP/UDP Checksum has not been calculated */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4140
	if (adapter->hw.mac_type <= e1000_82547_rev_2) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4141
		if (!(status & E1000_RXD_STAT_TCPCS))
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4142
			return;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4143
	} else {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4144
		if (!(status & (E1000_RXD_STAT_TCPCS | E1000_RXD_STAT_UDPCS)))
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4145
			return;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4146
	}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4147
	/* It must be a TCP or UDP packet with a valid checksum */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4148
	if (likely(status & E1000_RXD_STAT_TCPCS)) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4149
		/* TCP checksum is good */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4150
		skb->ip_summed = CHECKSUM_UNNECESSARY;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4151
	} else if (adapter->hw.mac_type > e1000_82547_rev_2) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4152
		/* IP fragment with UDP payload */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4153
		/* Hardware complements the payload checksum, so we undo it
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4154
		 * and then put the value in host order for further stack use.
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4155
		 */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4156
		csum = ntohl(csum ^ 0xFFFF);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4157
		skb->csum = csum;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4158
		skb->ip_summed = CHECKSUM_COMPLETE;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4159
	}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4160
	adapter->hw_csum_good++;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4161
}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4162
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4163
/**
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4164
 * e1000_clean_rx_irq - Send received data up the network stack; legacy
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4165
 * @adapter: board private structure
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4166
 **/
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4167
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4168
static boolean_t
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4169
#ifdef CONFIG_E1000_NAPI
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4170
e1000_clean_rx_irq(struct e1000_adapter *adapter,
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4171
                   struct e1000_rx_ring *rx_ring,
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4172
                   int *work_done, int work_to_do)
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4173
#else
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4174
e1000_clean_rx_irq(struct e1000_adapter *adapter,
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4175
                   struct e1000_rx_ring *rx_ring)
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4176
#endif
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4177
{
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4178
	struct net_device *netdev = adapter->netdev;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4179
	struct pci_dev *pdev = adapter->pdev;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4180
	struct e1000_rx_desc *rx_desc, *next_rxd;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4181
	struct e1000_buffer *buffer_info, *next_buffer;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4182
	unsigned long flags;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4183
	uint32_t length;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4184
	uint8_t last_byte;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4185
	unsigned int i;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4186
	int cleaned_count = 0;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4187
	boolean_t cleaned = FALSE;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4188
	unsigned int total_rx_bytes=0, total_rx_packets=0;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4189
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4190
	i = rx_ring->next_to_clean;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4191
	rx_desc = E1000_RX_DESC(*rx_ring, i);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4192
	buffer_info = &rx_ring->buffer_info[i];
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4193
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4194
	while (rx_desc->status & E1000_RXD_STAT_DD) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4195
		struct sk_buff *skb;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4196
		u8 status;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4197
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4198
#ifdef CONFIG_E1000_NAPI
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4199
		if (*work_done >= work_to_do)
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4200
			break;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4201
		(*work_done)++;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4202
#endif
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4203
		status = rx_desc->status;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4204
		skb = buffer_info->skb;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4205
		buffer_info->skb = NULL;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4206
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4207
		prefetch(skb->data - NET_IP_ALIGN);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4208
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4209
		if (++i == rx_ring->count) i = 0;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4210
		next_rxd = E1000_RX_DESC(*rx_ring, i);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4211
		prefetch(next_rxd);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4212
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4213
		next_buffer = &rx_ring->buffer_info[i];
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4214
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4215
		cleaned = TRUE;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4216
		cleaned_count++;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4217
		pci_unmap_single(pdev,
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4218
		                 buffer_info->dma,
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4219
		                 buffer_info->length,
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4220
		                 PCI_DMA_FROMDEVICE);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4221
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4222
		length = le16_to_cpu(rx_desc->length);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4223
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4224
		if (unlikely(!(status & E1000_RXD_STAT_EOP))) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4225
			/* All receives must fit into a single buffer */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4226
			E1000_DBG("%s: Receive packet consumed multiple"
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4227
				  " buffers\n", netdev->name);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4228
			/* recycle */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4229
			buffer_info->skb = skb;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4230
			goto next_desc;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4231
		}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4232
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4233
		if (unlikely(rx_desc->errors & E1000_RXD_ERR_FRAME_ERR_MASK)) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4234
			last_byte = *(skb->data + length - 1);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4235
			if (TBI_ACCEPT(&adapter->hw, status,
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4236
			              rx_desc->errors, length, last_byte)) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4237
				spin_lock_irqsave(&adapter->stats_lock, flags);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4238
				e1000_tbi_adjust_stats(&adapter->hw,
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4239
				                       &adapter->stats,
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4240
				                       length, skb->data);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4241
				spin_unlock_irqrestore(&adapter->stats_lock,
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4242
				                       flags);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4243
				length--;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4244
			} else {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4245
				/* recycle */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4246
				buffer_info->skb = skb;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4247
				goto next_desc;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4248
			}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4249
		}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4250
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4251
		/* adjust length to remove Ethernet CRC, this must be
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4252
		 * done after the TBI_ACCEPT workaround above */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4253
		length -= 4;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4254
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4255
		/* probably a little skewed due to removing CRC */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4256
		total_rx_bytes += length;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4257
		total_rx_packets++;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4258
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4259
		/* code added for copybreak, this should improve
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4260
		 * performance for small packets with large amounts
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4261
		 * of reassembly being done in the stack */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4262
		if (length < copybreak) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4263
			struct sk_buff *new_skb =
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4264
			    netdev_alloc_skb(netdev, length + NET_IP_ALIGN);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4265
			if (new_skb) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4266
				skb_reserve(new_skb, NET_IP_ALIGN);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4267
				memcpy(new_skb->data - NET_IP_ALIGN,
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4268
				       skb->data - NET_IP_ALIGN,
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4269
				       length + NET_IP_ALIGN);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4270
				/* save the skb in buffer_info as good */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4271
				buffer_info->skb = skb;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4272
				skb = new_skb;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4273
			}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4274
			/* else just continue with the old one */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4275
		}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4276
		/* end copybreak code */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4277
		skb_put(skb, length);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4278
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4279
		/* Receive Checksum Offload */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4280
		e1000_rx_checksum(adapter,
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4281
				  (uint32_t)(status) |
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4282
				  ((uint32_t)(rx_desc->errors) << 24),
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4283
				  le16_to_cpu(rx_desc->csum), skb);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4284
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4285
		skb->protocol = eth_type_trans(skb, netdev);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4286
#ifdef CONFIG_E1000_NAPI
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4287
		if (unlikely(adapter->vlgrp &&
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4288
			    (status & E1000_RXD_STAT_VP))) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4289
			vlan_hwaccel_receive_skb(skb, adapter->vlgrp,
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4290
						 le16_to_cpu(rx_desc->special) &
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4291
						 E1000_RXD_SPC_VLAN_MASK);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4292
		} else {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4293
			netif_receive_skb(skb);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4294
		}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4295
#else /* CONFIG_E1000_NAPI */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4296
		if (unlikely(adapter->vlgrp &&
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4297
			    (status & E1000_RXD_STAT_VP))) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4298
			vlan_hwaccel_rx(skb, adapter->vlgrp,
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4299
					le16_to_cpu(rx_desc->special) &
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4300
					E1000_RXD_SPC_VLAN_MASK);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4301
		} else {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4302
			netif_rx(skb);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4303
		}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4304
#endif /* CONFIG_E1000_NAPI */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4305
		netdev->last_rx = jiffies;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4306
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4307
next_desc:
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4308
		rx_desc->status = 0;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4309
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4310
		/* return some buffers to hardware, one at a time is too slow */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4311
		if (unlikely(cleaned_count >= E1000_RX_BUFFER_WRITE)) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4312
			adapter->alloc_rx_buf(adapter, rx_ring, cleaned_count);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4313
			cleaned_count = 0;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4314
		}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4315
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4316
		/* use prefetched values */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4317
		rx_desc = next_rxd;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4318
		buffer_info = next_buffer;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4319
	}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4320
	rx_ring->next_to_clean = i;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4321
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4322
	cleaned_count = E1000_DESC_UNUSED(rx_ring);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4323
	if (cleaned_count)
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4324
		adapter->alloc_rx_buf(adapter, rx_ring, cleaned_count);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4325
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4326
	adapter->total_rx_packets += total_rx_packets;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4327
	adapter->total_rx_bytes += total_rx_bytes;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4328
	return cleaned;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4329
}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4330
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4331
/**
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4332
 * e1000_clean_rx_irq_ps - Send received data up the network stack; packet split
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4333
 * @adapter: board private structure
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4334
 **/
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4335
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4336
static boolean_t
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4337
#ifdef CONFIG_E1000_NAPI
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4338
e1000_clean_rx_irq_ps(struct e1000_adapter *adapter,
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4339
                      struct e1000_rx_ring *rx_ring,
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4340
                      int *work_done, int work_to_do)
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4341
#else
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4342
e1000_clean_rx_irq_ps(struct e1000_adapter *adapter,
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4343
                      struct e1000_rx_ring *rx_ring)
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4344
#endif
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4345
{
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4346
	union e1000_rx_desc_packet_split *rx_desc, *next_rxd;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4347
	struct net_device *netdev = adapter->netdev;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4348
	struct pci_dev *pdev = adapter->pdev;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4349
	struct e1000_buffer *buffer_info, *next_buffer;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4350
	struct e1000_ps_page *ps_page;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4351
	struct e1000_ps_page_dma *ps_page_dma;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4352
	struct sk_buff *skb;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4353
	unsigned int i, j;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4354
	uint32_t length, staterr;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4355
	int cleaned_count = 0;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4356
	boolean_t cleaned = FALSE;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4357
	unsigned int total_rx_bytes=0, total_rx_packets=0;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4358
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4359
	i = rx_ring->next_to_clean;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4360
	rx_desc = E1000_RX_DESC_PS(*rx_ring, i);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4361
	staterr = le32_to_cpu(rx_desc->wb.middle.status_error);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4362
	buffer_info = &rx_ring->buffer_info[i];
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4363
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4364
	while (staterr & E1000_RXD_STAT_DD) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4365
		ps_page = &rx_ring->ps_page[i];
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4366
		ps_page_dma = &rx_ring->ps_page_dma[i];
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4367
#ifdef CONFIG_E1000_NAPI
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4368
		if (unlikely(*work_done >= work_to_do))
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4369
			break;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4370
		(*work_done)++;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4371
#endif
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4372
		skb = buffer_info->skb;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4373
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4374
		/* in the packet split case this is header only */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4375
		prefetch(skb->data - NET_IP_ALIGN);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4376
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4377
		if (++i == rx_ring->count) i = 0;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4378
		next_rxd = E1000_RX_DESC_PS(*rx_ring, i);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4379
		prefetch(next_rxd);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4380
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4381
		next_buffer = &rx_ring->buffer_info[i];
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4382
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4383
		cleaned = TRUE;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4384
		cleaned_count++;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4385
		pci_unmap_single(pdev, buffer_info->dma,
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4386
				 buffer_info->length,
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4387
				 PCI_DMA_FROMDEVICE);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4388
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4389
		if (unlikely(!(staterr & E1000_RXD_STAT_EOP))) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4390
			E1000_DBG("%s: Packet Split buffers didn't pick up"
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4391
				  " the full packet\n", netdev->name);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4392
			dev_kfree_skb_irq(skb);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4393
			goto next_desc;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4394
		}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4395
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4396
		if (unlikely(staterr & E1000_RXDEXT_ERR_FRAME_ERR_MASK)) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4397
			dev_kfree_skb_irq(skb);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4398
			goto next_desc;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4399
		}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4400
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4401
		length = le16_to_cpu(rx_desc->wb.middle.length0);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4402
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4403
		if (unlikely(!length)) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4404
			E1000_DBG("%s: Last part of the packet spanning"
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4405
				  " multiple descriptors\n", netdev->name);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4406
			dev_kfree_skb_irq(skb);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4407
			goto next_desc;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4408
		}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4409
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4410
		/* Good Receive */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4411
		skb_put(skb, length);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4412
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4413
		{
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4414
		/* this looks ugly, but it seems compiler issues make it
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4415
		   more efficient than reusing j */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4416
		int l1 = le16_to_cpu(rx_desc->wb.upper.length[0]);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4417
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4418
		/* page alloc/put takes too long and effects small packet
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4419
		 * throughput, so unsplit small packets and save the alloc/put*/
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4420
		if (l1 && (l1 <= copybreak) && ((length + l1) <= adapter->rx_ps_bsize0)) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4421
			u8 *vaddr;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4422
			/* there is no documentation about how to call
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4423
			 * kmap_atomic, so we can't hold the mapping
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4424
			 * very long */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4425
			pci_dma_sync_single_for_cpu(pdev,
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4426
				ps_page_dma->ps_page_dma[0],
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4427
				PAGE_SIZE,
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4428
				PCI_DMA_FROMDEVICE);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4429
			vaddr = kmap_atomic(ps_page->ps_page[0],
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4430
			                    KM_SKB_DATA_SOFTIRQ);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4431
			memcpy(skb->tail, vaddr, l1);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4432
			kunmap_atomic(vaddr, KM_SKB_DATA_SOFTIRQ);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4433
			pci_dma_sync_single_for_device(pdev,
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4434
				ps_page_dma->ps_page_dma[0],
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4435
				PAGE_SIZE, PCI_DMA_FROMDEVICE);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4436
			/* remove the CRC */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4437
			l1 -= 4;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4438
			skb_put(skb, l1);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4439
			goto copydone;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4440
		} /* if */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4441
		}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4442
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4443
		for (j = 0; j < adapter->rx_ps_pages; j++) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4444
			if (!(length= le16_to_cpu(rx_desc->wb.upper.length[j])))
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4445
				break;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4446
			pci_unmap_page(pdev, ps_page_dma->ps_page_dma[j],
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4447
					PAGE_SIZE, PCI_DMA_FROMDEVICE);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4448
			ps_page_dma->ps_page_dma[j] = 0;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4449
			skb_fill_page_desc(skb, j, ps_page->ps_page[j], 0,
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4450
			                   length);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4451
			ps_page->ps_page[j] = NULL;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4452
			skb->len += length;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4453
			skb->data_len += length;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4454
			skb->truesize += length;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4455
		}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4456
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4457
		/* strip the ethernet crc, problem is we're using pages now so
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4458
		 * this whole operation can get a little cpu intensive */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4459
		pskb_trim(skb, skb->len - 4);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4460
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4461
copydone:
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4462
		total_rx_bytes += skb->len;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4463
		total_rx_packets++;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4464
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4465
		e1000_rx_checksum(adapter, staterr,
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4466
				  le16_to_cpu(rx_desc->wb.lower.hi_dword.csum_ip.csum), skb);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4467
		skb->protocol = eth_type_trans(skb, netdev);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4468
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4469
		if (likely(rx_desc->wb.upper.header_status &
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4470
			   cpu_to_le16(E1000_RXDPS_HDRSTAT_HDRSP)))
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4471
			adapter->rx_hdr_split++;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4472
#ifdef CONFIG_E1000_NAPI
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4473
		if (unlikely(adapter->vlgrp && (staterr & E1000_RXD_STAT_VP))) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4474
			vlan_hwaccel_receive_skb(skb, adapter->vlgrp,
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4475
				le16_to_cpu(rx_desc->wb.middle.vlan) &
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4476
				E1000_RXD_SPC_VLAN_MASK);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4477
		} else {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4478
			netif_receive_skb(skb);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4479
		}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4480
#else /* CONFIG_E1000_NAPI */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4481
		if (unlikely(adapter->vlgrp && (staterr & E1000_RXD_STAT_VP))) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4482
			vlan_hwaccel_rx(skb, adapter->vlgrp,
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4483
				le16_to_cpu(rx_desc->wb.middle.vlan) &
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4484
				E1000_RXD_SPC_VLAN_MASK);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4485
		} else {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4486
			netif_rx(skb);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4487
		}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4488
#endif /* CONFIG_E1000_NAPI */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4489
		netdev->last_rx = jiffies;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4490
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4491
next_desc:
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4492
		rx_desc->wb.middle.status_error &= cpu_to_le32(~0xFF);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4493
		buffer_info->skb = NULL;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4494
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4495
		/* return some buffers to hardware, one at a time is too slow */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4496
		if (unlikely(cleaned_count >= E1000_RX_BUFFER_WRITE)) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4497
			adapter->alloc_rx_buf(adapter, rx_ring, cleaned_count);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4498
			cleaned_count = 0;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4499
		}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4500
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4501
		/* use prefetched values */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4502
		rx_desc = next_rxd;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4503
		buffer_info = next_buffer;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4504
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4505
		staterr = le32_to_cpu(rx_desc->wb.middle.status_error);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4506
	}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4507
	rx_ring->next_to_clean = i;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4508
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4509
	cleaned_count = E1000_DESC_UNUSED(rx_ring);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4510
	if (cleaned_count)
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4511
		adapter->alloc_rx_buf(adapter, rx_ring, cleaned_count);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4512
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4513
	adapter->total_rx_packets += total_rx_packets;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4514
	adapter->total_rx_bytes += total_rx_bytes;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4515
	return cleaned;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4516
}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4517
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4518
/**
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4519
 * e1000_alloc_rx_buffers - Replace used receive buffers; legacy & extended
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4520
 * @adapter: address of board private structure
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4521
 **/
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4522
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4523
static void
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4524
e1000_alloc_rx_buffers(struct e1000_adapter *adapter,
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4525
                       struct e1000_rx_ring *rx_ring,
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4526
		       int cleaned_count)
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4527
{
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4528
	struct net_device *netdev = adapter->netdev;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4529
	struct pci_dev *pdev = adapter->pdev;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4530
	struct e1000_rx_desc *rx_desc;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4531
	struct e1000_buffer *buffer_info;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4532
	struct sk_buff *skb;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4533
	unsigned int i;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4534
	unsigned int bufsz = adapter->rx_buffer_len + NET_IP_ALIGN;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4535
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4536
	i = rx_ring->next_to_use;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4537
	buffer_info = &rx_ring->buffer_info[i];
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4538
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4539
	while (cleaned_count--) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4540
		skb = buffer_info->skb;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4541
		if (skb) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4542
			skb_trim(skb, 0);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4543
			goto map_skb;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4544
		}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4545
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4546
		skb = netdev_alloc_skb(netdev, bufsz);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4547
		if (unlikely(!skb)) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4548
			/* Better luck next round */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4549
			adapter->alloc_rx_buff_failed++;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4550
			break;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4551
		}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4552
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4553
		/* Fix for errata 23, can't cross 64kB boundary */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4554
		if (!e1000_check_64k_bound(adapter, skb->data, bufsz)) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4555
			struct sk_buff *oldskb = skb;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4556
			DPRINTK(RX_ERR, ERR, "skb align check failed: %u bytes "
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4557
					     "at %p\n", bufsz, skb->data);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4558
			/* Try again, without freeing the previous */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4559
			skb = netdev_alloc_skb(netdev, bufsz);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4560
			/* Failed allocation, critical failure */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4561
			if (!skb) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4562
				dev_kfree_skb(oldskb);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4563
				break;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4564
			}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4565
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4566
			if (!e1000_check_64k_bound(adapter, skb->data, bufsz)) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4567
				/* give up */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4568
				dev_kfree_skb(skb);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4569
				dev_kfree_skb(oldskb);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4570
				break; /* while !buffer_info->skb */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4571
			}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4572
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4573
			/* Use new allocation */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4574
			dev_kfree_skb(oldskb);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4575
		}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4576
		/* Make buffer alignment 2 beyond a 16 byte boundary
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4577
		 * this will result in a 16 byte aligned IP header after
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4578
		 * the 14 byte MAC header is removed
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4579
		 */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4580
		skb_reserve(skb, NET_IP_ALIGN);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4581
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4582
		buffer_info->skb = skb;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4583
		buffer_info->length = adapter->rx_buffer_len;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4584
map_skb:
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4585
		buffer_info->dma = pci_map_single(pdev,
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4586
						  skb->data,
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4587
						  adapter->rx_buffer_len,
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4588
						  PCI_DMA_FROMDEVICE);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4589
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4590
		/* Fix for errata 23, can't cross 64kB boundary */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4591
		if (!e1000_check_64k_bound(adapter,
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4592
					(void *)(unsigned long)buffer_info->dma,
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4593
					adapter->rx_buffer_len)) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4594
			DPRINTK(RX_ERR, ERR,
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4595
				"dma align check failed: %u bytes at %p\n",
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4596
				adapter->rx_buffer_len,
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4597
				(void *)(unsigned long)buffer_info->dma);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4598
			dev_kfree_skb(skb);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4599
			buffer_info->skb = NULL;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4600
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4601
			pci_unmap_single(pdev, buffer_info->dma,
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4602
					 adapter->rx_buffer_len,
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4603
					 PCI_DMA_FROMDEVICE);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4604
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4605
			break; /* while !buffer_info->skb */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4606
		}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4607
		rx_desc = E1000_RX_DESC(*rx_ring, i);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4608
		rx_desc->buffer_addr = cpu_to_le64(buffer_info->dma);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4609
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4610
		if (unlikely(++i == rx_ring->count))
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4611
			i = 0;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4612
		buffer_info = &rx_ring->buffer_info[i];
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4613
	}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4614
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4615
	if (likely(rx_ring->next_to_use != i)) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4616
		rx_ring->next_to_use = i;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4617
		if (unlikely(i-- == 0))
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4618
			i = (rx_ring->count - 1);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4619
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4620
		/* Force memory writes to complete before letting h/w
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4621
		 * know there are new descriptors to fetch.  (Only
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4622
		 * applicable for weak-ordered memory model archs,
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4623
		 * such as IA-64). */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4624
		wmb();
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4625
		writel(i, adapter->hw.hw_addr + rx_ring->rdt);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4626
	}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4627
}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4628
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4629
/**
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4630
 * e1000_alloc_rx_buffers_ps - Replace used receive buffers; packet split
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4631
 * @adapter: address of board private structure
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4632
 **/
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4633
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4634
static void
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4635
e1000_alloc_rx_buffers_ps(struct e1000_adapter *adapter,
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4636
                          struct e1000_rx_ring *rx_ring,
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4637
			  int cleaned_count)
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4638
{
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4639
	struct net_device *netdev = adapter->netdev;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4640
	struct pci_dev *pdev = adapter->pdev;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4641
	union e1000_rx_desc_packet_split *rx_desc;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4642
	struct e1000_buffer *buffer_info;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4643
	struct e1000_ps_page *ps_page;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4644
	struct e1000_ps_page_dma *ps_page_dma;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4645
	struct sk_buff *skb;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4646
	unsigned int i, j;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4647
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4648
	i = rx_ring->next_to_use;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4649
	buffer_info = &rx_ring->buffer_info[i];
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4650
	ps_page = &rx_ring->ps_page[i];
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4651
	ps_page_dma = &rx_ring->ps_page_dma[i];
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4652
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4653
	while (cleaned_count--) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4654
		rx_desc = E1000_RX_DESC_PS(*rx_ring, i);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4655
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4656
		for (j = 0; j < PS_PAGE_BUFFERS; j++) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4657
			if (j < adapter->rx_ps_pages) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4658
				if (likely(!ps_page->ps_page[j])) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4659
					ps_page->ps_page[j] =
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4660
						alloc_page(GFP_ATOMIC);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4661
					if (unlikely(!ps_page->ps_page[j])) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4662
						adapter->alloc_rx_buff_failed++;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4663
						goto no_buffers;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4664
					}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4665
					ps_page_dma->ps_page_dma[j] =
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4666
						pci_map_page(pdev,
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4667
							    ps_page->ps_page[j],
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4668
							    0, PAGE_SIZE,
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4669
							    PCI_DMA_FROMDEVICE);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4670
				}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4671
				/* Refresh the desc even if buffer_addrs didn't
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4672
				 * change because each write-back erases
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4673
				 * this info.
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4674
				 */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4675
				rx_desc->read.buffer_addr[j+1] =
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4676
				     cpu_to_le64(ps_page_dma->ps_page_dma[j]);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4677
			} else
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4678
				rx_desc->read.buffer_addr[j+1] = ~0;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4679
		}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4680
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4681
		skb = netdev_alloc_skb(netdev,
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4682
		                       adapter->rx_ps_bsize0 + NET_IP_ALIGN);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4683
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4684
		if (unlikely(!skb)) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4685
			adapter->alloc_rx_buff_failed++;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4686
			break;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4687
		}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4688
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4689
		/* Make buffer alignment 2 beyond a 16 byte boundary
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4690
		 * this will result in a 16 byte aligned IP header after
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4691
		 * the 14 byte MAC header is removed
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4692
		 */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4693
		skb_reserve(skb, NET_IP_ALIGN);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4694
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4695
		buffer_info->skb = skb;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4696
		buffer_info->length = adapter->rx_ps_bsize0;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4697
		buffer_info->dma = pci_map_single(pdev, skb->data,
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4698
						  adapter->rx_ps_bsize0,
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4699
						  PCI_DMA_FROMDEVICE);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4700
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4701
		rx_desc->read.buffer_addr[0] = cpu_to_le64(buffer_info->dma);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4702
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4703
		if (unlikely(++i == rx_ring->count)) i = 0;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4704
		buffer_info = &rx_ring->buffer_info[i];
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4705
		ps_page = &rx_ring->ps_page[i];
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4706
		ps_page_dma = &rx_ring->ps_page_dma[i];
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4707
	}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4708
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4709
no_buffers:
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4710
	if (likely(rx_ring->next_to_use != i)) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4711
		rx_ring->next_to_use = i;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4712
		if (unlikely(i-- == 0)) i = (rx_ring->count - 1);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4713
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4714
		/* Force memory writes to complete before letting h/w
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4715
		 * know there are new descriptors to fetch.  (Only
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4716
		 * applicable for weak-ordered memory model archs,
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4717
		 * such as IA-64). */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4718
		wmb();
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4719
		/* Hardware increments by 16 bytes, but packet split
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4720
		 * descriptors are 32 bytes...so we increment tail
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4721
		 * twice as much.
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4722
		 */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4723
		writel(i<<1, adapter->hw.hw_addr + rx_ring->rdt);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4724
	}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4725
}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4726
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4727
/**
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4728
 * e1000_smartspeed - Workaround for SmartSpeed on 82541 and 82547 controllers.
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4729
 * @adapter:
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4730
 **/
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4731
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4732
static void
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4733
e1000_smartspeed(struct e1000_adapter *adapter)
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4734
{
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4735
	uint16_t phy_status;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4736
	uint16_t phy_ctrl;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4737
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4738
	if ((adapter->hw.phy_type != e1000_phy_igp) || !adapter->hw.autoneg ||
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4739
	   !(adapter->hw.autoneg_advertised & ADVERTISE_1000_FULL))
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4740
		return;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4741
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4742
	if (adapter->smartspeed == 0) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4743
		/* If Master/Slave config fault is asserted twice,
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4744
		 * we assume back-to-back */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4745
		e1000_read_phy_reg(&adapter->hw, PHY_1000T_STATUS, &phy_status);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4746
		if (!(phy_status & SR_1000T_MS_CONFIG_FAULT)) return;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4747
		e1000_read_phy_reg(&adapter->hw, PHY_1000T_STATUS, &phy_status);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4748
		if (!(phy_status & SR_1000T_MS_CONFIG_FAULT)) return;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4749
		e1000_read_phy_reg(&adapter->hw, PHY_1000T_CTRL, &phy_ctrl);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4750
		if (phy_ctrl & CR_1000T_MS_ENABLE) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4751
			phy_ctrl &= ~CR_1000T_MS_ENABLE;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4752
			e1000_write_phy_reg(&adapter->hw, PHY_1000T_CTRL,
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4753
					    phy_ctrl);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4754
			adapter->smartspeed++;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4755
			if (!e1000_phy_setup_autoneg(&adapter->hw) &&
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4756
			   !e1000_read_phy_reg(&adapter->hw, PHY_CTRL,
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4757
				   	       &phy_ctrl)) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4758
				phy_ctrl |= (MII_CR_AUTO_NEG_EN |
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4759
					     MII_CR_RESTART_AUTO_NEG);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4760
				e1000_write_phy_reg(&adapter->hw, PHY_CTRL,
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4761
						    phy_ctrl);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4762
			}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4763
		}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4764
		return;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4765
	} else if (adapter->smartspeed == E1000_SMARTSPEED_DOWNSHIFT) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4766
		/* If still no link, perhaps using 2/3 pair cable */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4767
		e1000_read_phy_reg(&adapter->hw, PHY_1000T_CTRL, &phy_ctrl);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4768
		phy_ctrl |= CR_1000T_MS_ENABLE;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4769
		e1000_write_phy_reg(&adapter->hw, PHY_1000T_CTRL, phy_ctrl);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4770
		if (!e1000_phy_setup_autoneg(&adapter->hw) &&
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4771
		   !e1000_read_phy_reg(&adapter->hw, PHY_CTRL, &phy_ctrl)) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4772
			phy_ctrl |= (MII_CR_AUTO_NEG_EN |
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4773
				     MII_CR_RESTART_AUTO_NEG);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4774
			e1000_write_phy_reg(&adapter->hw, PHY_CTRL, phy_ctrl);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4775
		}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4776
	}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4777
	/* Restart process after E1000_SMARTSPEED_MAX iterations */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4778
	if (adapter->smartspeed++ == E1000_SMARTSPEED_MAX)
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4779
		adapter->smartspeed = 0;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4780
}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4781
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4782
/**
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4783
 * e1000_ioctl -
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4784
 * @netdev:
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4785
 * @ifreq:
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4786
 * @cmd:
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4787
 **/
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4788
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4789
static int
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4790
e1000_ioctl(struct net_device *netdev, struct ifreq *ifr, int cmd)
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4791
{
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4792
	switch (cmd) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4793
	case SIOCGMIIPHY:
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4794
	case SIOCGMIIREG:
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4795
	case SIOCSMIIREG:
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4796
		return e1000_mii_ioctl(netdev, ifr, cmd);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4797
	default:
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4798
		return -EOPNOTSUPP;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4799
	}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4800
}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4801
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4802
/**
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4803
 * e1000_mii_ioctl -
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4804
 * @netdev:
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4805
 * @ifreq:
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4806
 * @cmd:
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4807
 **/
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4808
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4809
static int
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4810
e1000_mii_ioctl(struct net_device *netdev, struct ifreq *ifr, int cmd)
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4811
{
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4812
	struct e1000_adapter *adapter = netdev_priv(netdev);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4813
	struct mii_ioctl_data *data = if_mii(ifr);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4814
	int retval;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4815
	uint16_t mii_reg;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4816
	uint16_t spddplx;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4817
	unsigned long flags;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4818
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4819
	if (adapter->hw.media_type != e1000_media_type_copper)
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4820
		return -EOPNOTSUPP;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4821
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4822
	switch (cmd) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4823
	case SIOCGMIIPHY:
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4824
		data->phy_id = adapter->hw.phy_addr;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4825
		break;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4826
	case SIOCGMIIREG:
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4827
		if (!capable(CAP_NET_ADMIN))
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4828
			return -EPERM;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4829
		spin_lock_irqsave(&adapter->stats_lock, flags);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4830
		if (e1000_read_phy_reg(&adapter->hw, data->reg_num & 0x1F,
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4831
				   &data->val_out)) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4832
			spin_unlock_irqrestore(&adapter->stats_lock, flags);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4833
			return -EIO;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4834
		}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4835
		spin_unlock_irqrestore(&adapter->stats_lock, flags);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4836
		break;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4837
	case SIOCSMIIREG:
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4838
		if (!capable(CAP_NET_ADMIN))
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4839
			return -EPERM;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4840
		if (data->reg_num & ~(0x1F))
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4841
			return -EFAULT;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4842
		mii_reg = data->val_in;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4843
		spin_lock_irqsave(&adapter->stats_lock, flags);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4844
		if (e1000_write_phy_reg(&adapter->hw, data->reg_num,
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4845
					mii_reg)) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4846
			spin_unlock_irqrestore(&adapter->stats_lock, flags);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4847
			return -EIO;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4848
		}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4849
		if (adapter->hw.media_type == e1000_media_type_copper) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4850
			switch (data->reg_num) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4851
			case PHY_CTRL:
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4852
				if (mii_reg & MII_CR_POWER_DOWN)
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4853
					break;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4854
				if (mii_reg & MII_CR_AUTO_NEG_EN) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4855
					adapter->hw.autoneg = 1;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4856
					adapter->hw.autoneg_advertised = 0x2F;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4857
				} else {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4858
					if (mii_reg & 0x40)
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4859
						spddplx = SPEED_1000;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4860
					else if (mii_reg & 0x2000)
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4861
						spddplx = SPEED_100;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4862
					else
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4863
						spddplx = SPEED_10;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4864
					spddplx += (mii_reg & 0x100)
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4865
						   ? DUPLEX_FULL :
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4866
						   DUPLEX_HALF;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4867
					retval = e1000_set_spd_dplx(adapter,
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4868
								    spddplx);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4869
					if (retval) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4870
						spin_unlock_irqrestore(
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4871
							&adapter->stats_lock,
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4872
							flags);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4873
						return retval;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4874
					}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4875
				}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4876
				if (netif_running(adapter->netdev))
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4877
					e1000_reinit_locked(adapter);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4878
				else
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4879
					e1000_reset(adapter);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4880
				break;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4881
			case M88E1000_PHY_SPEC_CTRL:
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4882
			case M88E1000_EXT_PHY_SPEC_CTRL:
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4883
				if (e1000_phy_reset(&adapter->hw)) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4884
					spin_unlock_irqrestore(
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4885
						&adapter->stats_lock, flags);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4886
					return -EIO;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4887
				}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4888
				break;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4889
			}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4890
		} else {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4891
			switch (data->reg_num) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4892
			case PHY_CTRL:
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4893
				if (mii_reg & MII_CR_POWER_DOWN)
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4894
					break;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4895
				if (netif_running(adapter->netdev))
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4896
					e1000_reinit_locked(adapter);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4897
				else
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4898
					e1000_reset(adapter);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4899
				break;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4900
			}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4901
		}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4902
		spin_unlock_irqrestore(&adapter->stats_lock, flags);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4903
		break;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4904
	default:
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4905
		return -EOPNOTSUPP;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4906
	}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4907
	return E1000_SUCCESS;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4908
}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4909
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4910
void
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4911
e1000_pci_set_mwi(struct e1000_hw *hw)
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4912
{
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4913
	struct e1000_adapter *adapter = hw->back;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4914
	int ret_val = pci_set_mwi(adapter->pdev);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4915
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4916
	if (ret_val)
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4917
		DPRINTK(PROBE, ERR, "Error in setting MWI\n");
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4918
}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4919
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4920
void
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4921
e1000_pci_clear_mwi(struct e1000_hw *hw)
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4922
{
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4923
	struct e1000_adapter *adapter = hw->back;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4924
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4925
	pci_clear_mwi(adapter->pdev);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4926
}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4927
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4928
void
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4929
e1000_read_pci_cfg(struct e1000_hw *hw, uint32_t reg, uint16_t *value)
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4930
{
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4931
	struct e1000_adapter *adapter = hw->back;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4932
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4933
	pci_read_config_word(adapter->pdev, reg, value);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4934
}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4935
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4936
void
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4937
e1000_write_pci_cfg(struct e1000_hw *hw, uint32_t reg, uint16_t *value)
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4938
{
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4939
	struct e1000_adapter *adapter = hw->back;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4940
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4941
	pci_write_config_word(adapter->pdev, reg, *value);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4942
}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4943
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4944
int32_t
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4945
e1000_read_pcie_cap_reg(struct e1000_hw *hw, uint32_t reg, uint16_t *value)
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4946
{
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4947
    struct e1000_adapter *adapter = hw->back;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4948
    uint16_t cap_offset;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4949
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4950
    cap_offset = pci_find_capability(adapter->pdev, PCI_CAP_ID_EXP);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4951
    if (!cap_offset)
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4952
        return -E1000_ERR_CONFIG;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4953
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4954
    pci_read_config_word(adapter->pdev, cap_offset + reg, value);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4955
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4956
    return E1000_SUCCESS;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4957
}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4958
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4959
void
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4960
e1000_io_write(struct e1000_hw *hw, unsigned long port, uint32_t value)
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4961
{
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4962
	outl(value, port);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4963
}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4964
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4965
static void
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4966
e1000_vlan_rx_register(struct net_device *netdev, struct vlan_group *grp)
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4967
{
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4968
	struct e1000_adapter *adapter = netdev_priv(netdev);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4969
	uint32_t ctrl, rctl;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4970
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4971
	e1000_irq_disable(adapter);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4972
	adapter->vlgrp = grp;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4973
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4974
	if (grp) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4975
		/* enable VLAN tag insert/strip */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4976
		ctrl = E1000_READ_REG(&adapter->hw, CTRL);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4977
		ctrl |= E1000_CTRL_VME;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4978
		E1000_WRITE_REG(&adapter->hw, CTRL, ctrl);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4979
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4980
		if (adapter->hw.mac_type != e1000_ich8lan) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4981
			/* enable VLAN receive filtering */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4982
			rctl = E1000_READ_REG(&adapter->hw, RCTL);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4983
			rctl |= E1000_RCTL_VFE;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4984
			rctl &= ~E1000_RCTL_CFIEN;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4985
			E1000_WRITE_REG(&adapter->hw, RCTL, rctl);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4986
			e1000_update_mng_vlan(adapter);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4987
		}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4988
	} else {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4989
		/* disable VLAN tag insert/strip */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4990
		ctrl = E1000_READ_REG(&adapter->hw, CTRL);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4991
		ctrl &= ~E1000_CTRL_VME;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4992
		E1000_WRITE_REG(&adapter->hw, CTRL, ctrl);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4993
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4994
		if (adapter->hw.mac_type != e1000_ich8lan) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4995
			/* disable VLAN filtering */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4996
			rctl = E1000_READ_REG(&adapter->hw, RCTL);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4997
			rctl &= ~E1000_RCTL_VFE;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4998
			E1000_WRITE_REG(&adapter->hw, RCTL, rctl);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4999
			if (adapter->mng_vlan_id !=
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5000
			    (uint16_t)E1000_MNG_VLAN_NONE) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5001
				e1000_vlan_rx_kill_vid(netdev,
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5002
				                       adapter->mng_vlan_id);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5003
				adapter->mng_vlan_id = E1000_MNG_VLAN_NONE;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5004
			}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5005
		}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5006
	}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5007
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5008
	e1000_irq_enable(adapter);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5009
}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5010
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5011
static void
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5012
e1000_vlan_rx_add_vid(struct net_device *netdev, uint16_t vid)
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5013
{
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5014
	struct e1000_adapter *adapter = netdev_priv(netdev);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5015
	uint32_t vfta, index;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5016
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5017
	if ((adapter->hw.mng_cookie.status &
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5018
	     E1000_MNG_DHCP_COOKIE_STATUS_VLAN_SUPPORT) &&
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5019
	    (vid == adapter->mng_vlan_id))
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5020
		return;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5021
	/* add VID to filter table */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5022
	index = (vid >> 5) & 0x7F;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5023
	vfta = E1000_READ_REG_ARRAY(&adapter->hw, VFTA, index);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5024
	vfta |= (1 << (vid & 0x1F));
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5025
	e1000_write_vfta(&adapter->hw, index, vfta);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5026
}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5027
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5028
static void
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5029
e1000_vlan_rx_kill_vid(struct net_device *netdev, uint16_t vid)
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5030
{
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5031
	struct e1000_adapter *adapter = netdev_priv(netdev);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5032
	uint32_t vfta, index;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5033
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5034
	e1000_irq_disable(adapter);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5035
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5036
	if (adapter->vlgrp)
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5037
		adapter->vlgrp->vlan_devices[vid] = NULL;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5038
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5039
	e1000_irq_enable(adapter);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5040
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5041
	if ((adapter->hw.mng_cookie.status &
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5042
	     E1000_MNG_DHCP_COOKIE_STATUS_VLAN_SUPPORT) &&
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5043
	    (vid == adapter->mng_vlan_id)) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5044
		/* release control to f/w */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5045
		e1000_release_hw_control(adapter);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5046
		return;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5047
	}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5048
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5049
	/* remove VID from filter table */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5050
	index = (vid >> 5) & 0x7F;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5051
	vfta = E1000_READ_REG_ARRAY(&adapter->hw, VFTA, index);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5052
	vfta &= ~(1 << (vid & 0x1F));
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5053
	e1000_write_vfta(&adapter->hw, index, vfta);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5054
}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5055
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5056
static void
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5057
e1000_restore_vlan(struct e1000_adapter *adapter)
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5058
{
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5059
	e1000_vlan_rx_register(adapter->netdev, adapter->vlgrp);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5060
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5061
	if (adapter->vlgrp) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5062
		uint16_t vid;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5063
		for (vid = 0; vid < VLAN_GROUP_ARRAY_LEN; vid++) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5064
			if (!adapter->vlgrp->vlan_devices[vid])
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5065
				continue;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5066
			e1000_vlan_rx_add_vid(adapter->netdev, vid);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5067
		}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5068
	}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5069
}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5070
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5071
int
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5072
e1000_set_spd_dplx(struct e1000_adapter *adapter, uint16_t spddplx)
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5073
{
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5074
	adapter->hw.autoneg = 0;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5075
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5076
	/* Fiber NICs only allow 1000 gbps Full duplex */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5077
	if ((adapter->hw.media_type == e1000_media_type_fiber) &&
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5078
		spddplx != (SPEED_1000 + DUPLEX_FULL)) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5079
		DPRINTK(PROBE, ERR, "Unsupported Speed/Duplex configuration\n");
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5080
		return -EINVAL;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5081
	}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5082
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5083
	switch (spddplx) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5084
	case SPEED_10 + DUPLEX_HALF:
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5085
		adapter->hw.forced_speed_duplex = e1000_10_half;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5086
		break;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5087
	case SPEED_10 + DUPLEX_FULL:
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5088
		adapter->hw.forced_speed_duplex = e1000_10_full;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5089
		break;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5090
	case SPEED_100 + DUPLEX_HALF:
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5091
		adapter->hw.forced_speed_duplex = e1000_100_half;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5092
		break;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5093
	case SPEED_100 + DUPLEX_FULL:
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5094
		adapter->hw.forced_speed_duplex = e1000_100_full;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5095
		break;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5096
	case SPEED_1000 + DUPLEX_FULL:
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5097
		adapter->hw.autoneg = 1;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5098
		adapter->hw.autoneg_advertised = ADVERTISE_1000_FULL;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5099
		break;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5100
	case SPEED_1000 + DUPLEX_HALF: /* not supported */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5101
	default:
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5102
		DPRINTK(PROBE, ERR, "Unsupported Speed/Duplex configuration\n");
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5103
		return -EINVAL;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5104
	}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5105
	return 0;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5106
}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5107
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5108
#ifdef CONFIG_PM
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5109
/* Save/restore 16 or 64 dwords of PCI config space depending on which
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5110
 * bus we're on (PCI(X) vs. PCI-E)
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5111
 */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5112
#define PCIE_CONFIG_SPACE_LEN 256
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5113
#define PCI_CONFIG_SPACE_LEN 64
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5114
static int
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5115
e1000_pci_save_state(struct e1000_adapter *adapter)
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5116
{
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5117
	struct pci_dev *dev = adapter->pdev;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5118
	int size;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5119
	int i;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5120
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5121
	if (adapter->hw.mac_type >= e1000_82571)
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5122
		size = PCIE_CONFIG_SPACE_LEN;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5123
	else
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5124
		size = PCI_CONFIG_SPACE_LEN;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5125
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5126
	WARN_ON(adapter->config_space != NULL);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5127
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5128
	adapter->config_space = kmalloc(size, GFP_KERNEL);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5129
	if (!adapter->config_space) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5130
		DPRINTK(PROBE, ERR, "unable to allocate %d bytes\n", size);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5131
		return -ENOMEM;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5132
	}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5133
	for (i = 0; i < (size / 4); i++)
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5134
		pci_read_config_dword(dev, i * 4, &adapter->config_space[i]);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5135
	return 0;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5136
}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5137
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5138
static void
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5139
e1000_pci_restore_state(struct e1000_adapter *adapter)
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5140
{
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5141
	struct pci_dev *dev = adapter->pdev;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5142
	int size;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5143
	int i;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5144
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5145
	if (adapter->config_space == NULL)
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5146
		return;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5147
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5148
	if (adapter->hw.mac_type >= e1000_82571)
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5149
		size = PCIE_CONFIG_SPACE_LEN;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5150
	else
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5151
		size = PCI_CONFIG_SPACE_LEN;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5152
	for (i = 0; i < (size / 4); i++)
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5153
		pci_write_config_dword(dev, i * 4, adapter->config_space[i]);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5154
	kfree(adapter->config_space);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5155
	adapter->config_space = NULL;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5156
	return;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5157
}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5158
#endif /* CONFIG_PM */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5159
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5160
static int
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5161
e1000_suspend(struct pci_dev *pdev, pm_message_t state)
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5162
{
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5163
	struct net_device *netdev = pci_get_drvdata(pdev);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5164
	struct e1000_adapter *adapter = netdev_priv(netdev);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5165
	uint32_t ctrl, ctrl_ext, rctl, status;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5166
	uint32_t wufc = adapter->wol;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5167
#ifdef CONFIG_PM
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5168
	int retval = 0;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5169
#endif
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5170
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5171
	netif_device_detach(netdev);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5172
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5173
	if (netif_running(netdev)) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5174
		WARN_ON(test_bit(__E1000_RESETTING, &adapter->flags));
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5175
		e1000_down(adapter);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5176
	}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5177
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5178
#ifdef CONFIG_PM
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5179
	/* Implement our own version of pci_save_state(pdev) because pci-
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5180
	 * express adapters have 256-byte config spaces. */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5181
	retval = e1000_pci_save_state(adapter);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5182
	if (retval)
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5183
		return retval;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5184
#endif
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5185
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5186
	status = E1000_READ_REG(&adapter->hw, STATUS);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5187
	if (status & E1000_STATUS_LU)
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5188
		wufc &= ~E1000_WUFC_LNKC;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5189
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5190
	if (wufc) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5191
		e1000_setup_rctl(adapter);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5192
		e1000_set_multi(netdev);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5193
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5194
		/* turn on all-multi mode if wake on multicast is enabled */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5195
		if (wufc & E1000_WUFC_MC) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5196
			rctl = E1000_READ_REG(&adapter->hw, RCTL);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5197
			rctl |= E1000_RCTL_MPE;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5198
			E1000_WRITE_REG(&adapter->hw, RCTL, rctl);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5199
		}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5200
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5201
		if (adapter->hw.mac_type >= e1000_82540) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5202
			ctrl = E1000_READ_REG(&adapter->hw, CTRL);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5203
			/* advertise wake from D3Cold */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5204
			#define E1000_CTRL_ADVD3WUC 0x00100000
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5205
			/* phy power management enable */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5206
			#define E1000_CTRL_EN_PHY_PWR_MGMT 0x00200000
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5207
			ctrl |= E1000_CTRL_ADVD3WUC |
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5208
				E1000_CTRL_EN_PHY_PWR_MGMT;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5209
			E1000_WRITE_REG(&adapter->hw, CTRL, ctrl);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5210
		}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5211
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5212
		if (adapter->hw.media_type == e1000_media_type_fiber ||
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5213
		   adapter->hw.media_type == e1000_media_type_internal_serdes) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5214
			/* keep the laser running in D3 */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5215
			ctrl_ext = E1000_READ_REG(&adapter->hw, CTRL_EXT);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5216
			ctrl_ext |= E1000_CTRL_EXT_SDP7_DATA;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5217
			E1000_WRITE_REG(&adapter->hw, CTRL_EXT, ctrl_ext);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5218
		}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5219
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5220
		/* Allow time for pending master requests to run */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5221
		e1000_disable_pciex_master(&adapter->hw);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5222
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5223
		E1000_WRITE_REG(&adapter->hw, WUC, E1000_WUC_PME_EN);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5224
		E1000_WRITE_REG(&adapter->hw, WUFC, wufc);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5225
		pci_enable_wake(pdev, PCI_D3hot, 1);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5226
		pci_enable_wake(pdev, PCI_D3cold, 1);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5227
	} else {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5228
		E1000_WRITE_REG(&adapter->hw, WUC, 0);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5229
		E1000_WRITE_REG(&adapter->hw, WUFC, 0);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5230
		pci_enable_wake(pdev, PCI_D3hot, 0);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5231
		pci_enable_wake(pdev, PCI_D3cold, 0);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5232
	}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5233
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5234
	e1000_release_manageability(adapter);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5235
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5236
	/* make sure adapter isn't asleep if manageability is enabled */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5237
	if (adapter->en_mng_pt) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5238
		pci_enable_wake(pdev, PCI_D3hot, 1);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5239
		pci_enable_wake(pdev, PCI_D3cold, 1);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5240
	}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5241
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5242
	if (adapter->hw.phy_type == e1000_phy_igp_3)
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5243
		e1000_phy_powerdown_workaround(&adapter->hw);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5244
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5245
	if (netif_running(netdev))
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5246
		e1000_free_irq(adapter);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5247
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5248
	/* Release control of h/w to f/w.  If f/w is AMT enabled, this
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5249
	 * would have already happened in close and is redundant. */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5250
	e1000_release_hw_control(adapter);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5251
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5252
	pci_disable_device(pdev);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5253
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5254
	pci_set_power_state(pdev, pci_choose_state(pdev, state));
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5255
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5256
	return 0;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5257
}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5258
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5259
#ifdef CONFIG_PM
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5260
static int
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5261
e1000_resume(struct pci_dev *pdev)
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5262
{
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5263
	struct net_device *netdev = pci_get_drvdata(pdev);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5264
	struct e1000_adapter *adapter = netdev_priv(netdev);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5265
	uint32_t err;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5266
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5267
	pci_set_power_state(pdev, PCI_D0);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5268
	e1000_pci_restore_state(adapter);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5269
	if ((err = pci_enable_device(pdev))) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5270
		printk(KERN_ERR "e1000: Cannot enable PCI device from suspend\n");
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5271
		return err;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5272
	}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5273
	pci_set_master(pdev);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5274
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5275
	pci_enable_wake(pdev, PCI_D3hot, 0);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5276
	pci_enable_wake(pdev, PCI_D3cold, 0);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5277
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5278
	if (netif_running(netdev) && (err = e1000_request_irq(adapter)))
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5279
		return err;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5280
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5281
	e1000_power_up_phy(adapter);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5282
	e1000_reset(adapter);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5283
	E1000_WRITE_REG(&adapter->hw, WUS, ~0);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5284
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5285
	e1000_init_manageability(adapter);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5286
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5287
	if (netif_running(netdev))
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5288
		e1000_up(adapter);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5289
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5290
	netif_device_attach(netdev);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5291
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5292
	/* If the controller is 82573 and f/w is AMT, do not set
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5293
	 * DRV_LOAD until the interface is up.  For all other cases,
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5294
	 * let the f/w know that the h/w is now under the control
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5295
	 * of the driver. */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5296
	if (adapter->hw.mac_type != e1000_82573 ||
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5297
	    !e1000_check_mng_mode(&adapter->hw))
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5298
		e1000_get_hw_control(adapter);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5299
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5300
	return 0;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5301
}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5302
#endif
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5303
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5304
static void e1000_shutdown(struct pci_dev *pdev)
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5305
{
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5306
	e1000_suspend(pdev, PMSG_SUSPEND);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5307
}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5308
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5309
#ifdef CONFIG_NET_POLL_CONTROLLER
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5310
/*
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5311
 * Polling 'interrupt' - used by things like netconsole to send skbs
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5312
 * without having to re-enable interrupts. It's not called while
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5313
 * the interrupt routine is executing.
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5314
 */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5315
static void
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5316
e1000_netpoll(struct net_device *netdev)
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5317
{
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5318
	struct e1000_adapter *adapter = netdev_priv(netdev);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5319
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5320
	disable_irq(adapter->pdev->irq);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5321
	e1000_intr(adapter->pdev->irq, netdev);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5322
	e1000_clean_tx_irq(adapter, adapter->tx_ring);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5323
#ifndef CONFIG_E1000_NAPI
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5324
	adapter->clean_rx(adapter, adapter->rx_ring);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5325
#endif
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5326
	enable_irq(adapter->pdev->irq);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5327
}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5328
#endif
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5329
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5330
/**
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5331
 * e1000_io_error_detected - called when PCI error is detected
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5332
 * @pdev: Pointer to PCI device
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5333
 * @state: The current pci conneection state
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5334
 *
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5335
 * This function is called after a PCI bus error affecting
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5336
 * this device has been detected.
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5337
 */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5338
static pci_ers_result_t e1000_io_error_detected(struct pci_dev *pdev, pci_channel_state_t state)
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5339
{
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5340
	struct net_device *netdev = pci_get_drvdata(pdev);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5341
	struct e1000_adapter *adapter = netdev->priv;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5342
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5343
	netif_device_detach(netdev);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5344
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5345
	if (netif_running(netdev))
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5346
		e1000_down(adapter);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5347
	pci_disable_device(pdev);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5348
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5349
	/* Request a slot slot reset. */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5350
	return PCI_ERS_RESULT_NEED_RESET;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5351
}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5352
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5353
/**
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5354
 * e1000_io_slot_reset - called after the pci bus has been reset.
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5355
 * @pdev: Pointer to PCI device
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5356
 *
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5357
 * Restart the card from scratch, as if from a cold-boot. Implementation
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5358
 * resembles the first-half of the e1000_resume routine.
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5359
 */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5360
static pci_ers_result_t e1000_io_slot_reset(struct pci_dev *pdev)
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5361
{
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5362
	struct net_device *netdev = pci_get_drvdata(pdev);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5363
	struct e1000_adapter *adapter = netdev->priv;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5364
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5365
	if (pci_enable_device(pdev)) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5366
		printk(KERN_ERR "e1000: Cannot re-enable PCI device after reset.\n");
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5367
		return PCI_ERS_RESULT_DISCONNECT;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5368
	}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5369
	pci_set_master(pdev);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5370
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5371
	pci_enable_wake(pdev, PCI_D3hot, 0);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5372
	pci_enable_wake(pdev, PCI_D3cold, 0);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5373
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5374
	e1000_reset(adapter);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5375
	E1000_WRITE_REG(&adapter->hw, WUS, ~0);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5376
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5377
	return PCI_ERS_RESULT_RECOVERED;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5378
}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5379
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5380
/**
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5381
 * e1000_io_resume - called when traffic can start flowing again.
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5382
 * @pdev: Pointer to PCI device
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5383
 *
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5384
 * This callback is called when the error recovery driver tells us that
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5385
 * its OK to resume normal operation. Implementation resembles the
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5386
 * second-half of the e1000_resume routine.
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5387
 */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5388
static void e1000_io_resume(struct pci_dev *pdev)
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5389
{
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5390
	struct net_device *netdev = pci_get_drvdata(pdev);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5391
	struct e1000_adapter *adapter = netdev->priv;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5392
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5393
	e1000_init_manageability(adapter);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5394
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5395
	if (netif_running(netdev)) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5396
		if (e1000_up(adapter)) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5397
			printk("e1000: can't bring device back up after reset\n");
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5398
			return;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5399
		}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5400
	}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5401
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5402
	netif_device_attach(netdev);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5403
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5404
	/* If the controller is 82573 and f/w is AMT, do not set
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5405
	 * DRV_LOAD until the interface is up.  For all other cases,
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5406
	 * let the f/w know that the h/w is now under the control
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5407
	 * of the driver. */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5408
	if (adapter->hw.mac_type != e1000_82573 ||
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5409
	    !e1000_check_mng_mode(&adapter->hw))
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5410
		e1000_get_hw_control(adapter);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5411
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5412
}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5413
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5414
/* e1000_main.c */