devices/e1000/e1000_main-2.6.22-orig.c
author Philipp Weyer <pw@igh-essen.com>
Fri, 18 Aug 2017 12:30:16 +0200
changeset 2679 33b922ec1871
parent 788 9999ca1a1953
permissions -rw-r--r--
Fixed lib include paths
788
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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 "7.3.20-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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static irqreturn_t e1000_intr_msi(int irq, void *data);
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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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   195
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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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   221
                     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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   236
#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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   243
};
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MODULE_AUTHOR("Intel Corporation, <linux.nics@intel.com>");
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   246
MODULE_DESCRIPTION("Intel(R) PRO/1000 Network Driver");
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   247
MODULE_LICENSE("GPL");
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   248
MODULE_VERSION(DRV_VERSION);
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   249
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   250
static int debug = NETIF_MSG_DRV | NETIF_MSG_PROBE;
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   251
module_param(debug, int, 0);
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   252
MODULE_PARM_DESC(debug, "Debug level (0=none,...,16=all)");
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/**
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   255
 * e1000_init_module - Driver Registration Routine
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 *
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   257
 * e1000_init_module is the first routine called when the driver is
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   258
 * loaded. All it does is register with the PCI subsystem.
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 **/
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   261
static int __init
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   262
e1000_init_module(void)
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   263
{
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   264
	int ret;
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   265
	printk(KERN_INFO "%s - version %s\n",
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   266
	       e1000_driver_string, e1000_driver_version);
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   267
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   268
	printk(KERN_INFO "%s\n", e1000_copyright);
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   269
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   270
	ret = pci_register_driver(&e1000_driver);
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   271
	if (copybreak != COPYBREAK_DEFAULT) {
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   272
		if (copybreak == 0)
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   273
			printk(KERN_INFO "e1000: copybreak disabled\n");
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   274
		else
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   275
			printk(KERN_INFO "e1000: copybreak enabled for "
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   276
			       "packets <= %u bytes\n", copybreak);
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   277
	}
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   278
	return ret;
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   279
}
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   281
module_init(e1000_init_module);
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   282
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/**
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   284
 * e1000_exit_module - Driver Exit Cleanup Routine
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   285
 *
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   286
 * e1000_exit_module is called just before the driver is removed
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   287
 * from memory.
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 **/
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   289
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   290
static void __exit
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   291
e1000_exit_module(void)
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   292
{
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   293
	pci_unregister_driver(&e1000_driver);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
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   294
}
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   295
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   296
module_exit(e1000_exit_module);
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   297
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   298
static int e1000_request_irq(struct e1000_adapter *adapter)
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   299
{
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   300
	struct net_device *netdev = adapter->netdev;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
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   301
	void (*handler) = &e1000_intr;
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   302
	int irq_flags = IRQF_SHARED;
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   303
	int err;
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   304
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   305
	if (adapter->hw.mac_type >= e1000_82571) {
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
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   306
		adapter->have_msi = !pci_enable_msi(adapter->pdev);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
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diff changeset
   307
		if (adapter->have_msi) {
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
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   308
			handler = &e1000_intr_msi;
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   309
			irq_flags = 0;
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   310
		}
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   311
	}
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   312
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   313
	err = request_irq(adapter->pdev->irq, handler, irq_flags, netdev->name,
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
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   314
	                  netdev);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
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   315
	if (err) {
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
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   316
		if (adapter->have_msi)
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
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   317
			pci_disable_msi(adapter->pdev);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
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   318
		DPRINTK(PROBE, ERR,
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
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diff changeset
   319
		        "Unable to allocate interrupt Error: %d\n", err);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
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diff changeset
   320
	}
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
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diff changeset
   321
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   322
	return err;
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diff changeset
   323
}
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
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diff changeset
   324
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
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   325
static void e1000_free_irq(struct e1000_adapter *adapter)
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
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diff changeset
   326
{
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
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   327
	struct net_device *netdev = adapter->netdev;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
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diff changeset
   328
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
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diff changeset
   329
	free_irq(adapter->pdev->irq, netdev);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
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diff changeset
   330
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
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diff changeset
   331
	if (adapter->have_msi)
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
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diff changeset
   332
		pci_disable_msi(adapter->pdev);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
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parents:
diff changeset
   333
}
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
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parents:
diff changeset
   334
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
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parents:
diff changeset
   335
/**
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   336
 * e1000_irq_disable - Mask off interrupt generation on the NIC
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   337
 * @adapter: board private structure
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
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diff changeset
   338
 **/
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
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diff changeset
   339
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
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diff changeset
   340
static void
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   341
e1000_irq_disable(struct e1000_adapter *adapter)
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   342
{
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   343
	atomic_inc(&adapter->irq_sem);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
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diff changeset
   344
	E1000_WRITE_REG(&adapter->hw, IMC, ~0);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
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diff changeset
   345
	E1000_WRITE_FLUSH(&adapter->hw);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   346
	synchronize_irq(adapter->pdev->irq);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   347
}
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
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parents:
diff changeset
   348
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   349
/**
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   350
 * e1000_irq_enable - Enable default interrupt generation settings
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   351
 * @adapter: board private structure
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   352
 **/
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   353
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   354
static void
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   355
e1000_irq_enable(struct e1000_adapter *adapter)
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   356
{
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   357
	if (likely(atomic_dec_and_test(&adapter->irq_sem))) {
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   358
		E1000_WRITE_REG(&adapter->hw, IMS, IMS_ENABLE_MASK);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   359
		E1000_WRITE_FLUSH(&adapter->hw);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   360
	}
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   361
}
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   362
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   363
static void
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   364
e1000_update_mng_vlan(struct e1000_adapter *adapter)
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   365
{
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   366
	struct net_device *netdev = adapter->netdev;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   367
	uint16_t vid = adapter->hw.mng_cookie.vlan_id;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   368
	uint16_t old_vid = adapter->mng_vlan_id;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   369
	if (adapter->vlgrp) {
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   370
		if (!vlan_group_get_device(adapter->vlgrp, vid)) {
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   371
			if (adapter->hw.mng_cookie.status &
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   372
				E1000_MNG_DHCP_COOKIE_STATUS_VLAN_SUPPORT) {
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   373
				e1000_vlan_rx_add_vid(netdev, vid);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   374
				adapter->mng_vlan_id = vid;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   375
			} else
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   376
				adapter->mng_vlan_id = E1000_MNG_VLAN_NONE;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   377
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   378
			if ((old_vid != (uint16_t)E1000_MNG_VLAN_NONE) &&
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   379
					(vid != old_vid) &&
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   380
			    !vlan_group_get_device(adapter->vlgrp, old_vid))
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   381
				e1000_vlan_rx_kill_vid(netdev, old_vid);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   382
		} else
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   383
			adapter->mng_vlan_id = vid;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   384
	}
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   385
}
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   386
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   387
/**
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   388
 * e1000_release_hw_control - release control of the h/w to f/w
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   389
 * @adapter: address of board private structure
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   390
 *
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   391
 * e1000_release_hw_control resets {CTRL_EXT|FWSM}:DRV_LOAD bit.
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   392
 * For ASF and Pass Through versions of f/w this means that the
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   393
 * driver is no longer loaded. For AMT version (only with 82573) i
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   394
 * of the f/w this means that the network i/f is closed.
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   395
 *
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   396
 **/
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   397
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   398
static void
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   399
e1000_release_hw_control(struct e1000_adapter *adapter)
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   400
{
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   401
	uint32_t ctrl_ext;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   402
	uint32_t swsm;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   403
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   404
	/* Let firmware taken over control of h/w */
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   405
	switch (adapter->hw.mac_type) {
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   406
	case e1000_82573:
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   407
		swsm = E1000_READ_REG(&adapter->hw, SWSM);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   408
		E1000_WRITE_REG(&adapter->hw, SWSM,
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   409
				swsm & ~E1000_SWSM_DRV_LOAD);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   410
		break;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   411
	case e1000_82571:
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   412
	case e1000_82572:
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   413
	case e1000_80003es2lan:
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   414
	case e1000_ich8lan:
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   415
		ctrl_ext = E1000_READ_REG(&adapter->hw, CTRL_EXT);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   416
		E1000_WRITE_REG(&adapter->hw, CTRL_EXT,
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   417
				ctrl_ext & ~E1000_CTRL_EXT_DRV_LOAD);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   418
		break;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   419
	default:
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   420
		break;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   421
	}
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   422
}
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   423
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   424
/**
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   425
 * e1000_get_hw_control - get control of the h/w from f/w
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   426
 * @adapter: address of board private structure
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   427
 *
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   428
 * e1000_get_hw_control sets {CTRL_EXT|FWSM}:DRV_LOAD bit.
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   429
 * For ASF and Pass Through versions of f/w this means that
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   430
 * the driver is loaded. For AMT version (only with 82573)
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   431
 * of the f/w this means that the network i/f is open.
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   432
 *
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   433
 **/
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   434
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   435
static void
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   436
e1000_get_hw_control(struct e1000_adapter *adapter)
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   437
{
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   438
	uint32_t ctrl_ext;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   439
	uint32_t swsm;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   440
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   441
	/* Let firmware know the driver has taken over */
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   442
	switch (adapter->hw.mac_type) {
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   443
	case e1000_82573:
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   444
		swsm = E1000_READ_REG(&adapter->hw, SWSM);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   445
		E1000_WRITE_REG(&adapter->hw, SWSM,
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   446
				swsm | E1000_SWSM_DRV_LOAD);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   447
		break;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   448
	case e1000_82571:
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   449
	case e1000_82572:
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   450
	case e1000_80003es2lan:
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   451
	case e1000_ich8lan:
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   452
		ctrl_ext = E1000_READ_REG(&adapter->hw, CTRL_EXT);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   453
		E1000_WRITE_REG(&adapter->hw, CTRL_EXT,
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   454
				ctrl_ext | E1000_CTRL_EXT_DRV_LOAD);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   455
		break;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   456
	default:
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   457
		break;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   458
	}
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   459
}
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   460
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   461
static void
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   462
e1000_init_manageability(struct e1000_adapter *adapter)
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   463
{
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   464
	if (adapter->en_mng_pt) {
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   465
		uint32_t manc = E1000_READ_REG(&adapter->hw, MANC);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   466
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   467
		/* disable hardware interception of ARP */
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   468
		manc &= ~(E1000_MANC_ARP_EN);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   469
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   470
		/* enable receiving management packets to the host */
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   471
		/* this will probably generate destination unreachable messages
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   472
		 * from the host OS, but the packets will be handled on SMBUS */
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   473
		if (adapter->hw.has_manc2h) {
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   474
			uint32_t manc2h = E1000_READ_REG(&adapter->hw, MANC2H);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   475
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   476
			manc |= E1000_MANC_EN_MNG2HOST;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   477
#define E1000_MNG2HOST_PORT_623 (1 << 5)
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   478
#define E1000_MNG2HOST_PORT_664 (1 << 6)
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   479
			manc2h |= E1000_MNG2HOST_PORT_623;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   480
			manc2h |= E1000_MNG2HOST_PORT_664;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   481
			E1000_WRITE_REG(&adapter->hw, MANC2H, manc2h);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   482
		}
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   483
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   484
		E1000_WRITE_REG(&adapter->hw, MANC, manc);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   485
	}
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   486
}
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   487
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   488
static void
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   489
e1000_release_manageability(struct e1000_adapter *adapter)
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   490
{
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   491
	if (adapter->en_mng_pt) {
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   492
		uint32_t manc = E1000_READ_REG(&adapter->hw, MANC);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   493
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   494
		/* re-enable hardware interception of ARP */
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   495
		manc |= E1000_MANC_ARP_EN;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   496
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   497
		if (adapter->hw.has_manc2h)
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   498
			manc &= ~E1000_MANC_EN_MNG2HOST;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   499
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   500
		/* don't explicitly have to mess with MANC2H since
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   501
		 * MANC has an enable disable that gates MANC2H */
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   502
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   503
		E1000_WRITE_REG(&adapter->hw, MANC, manc);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   504
	}
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   505
}
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   506
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   507
/**
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   508
 * e1000_configure - configure the hardware for RX and TX
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   509
 * @adapter = private board structure
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   510
 **/
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   511
static void e1000_configure(struct e1000_adapter *adapter)
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   512
{
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   513
	struct net_device *netdev = adapter->netdev;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   514
	int i;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   515
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   516
	e1000_set_multi(netdev);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   517
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   518
	e1000_restore_vlan(adapter);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   519
	e1000_init_manageability(adapter);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   520
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   521
	e1000_configure_tx(adapter);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   522
	e1000_setup_rctl(adapter);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   523
	e1000_configure_rx(adapter);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   524
	/* call E1000_DESC_UNUSED which always leaves
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   525
	 * at least 1 descriptor unused to make sure
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   526
	 * next_to_use != next_to_clean */
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   527
	for (i = 0; i < adapter->num_rx_queues; i++) {
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   528
		struct e1000_rx_ring *ring = &adapter->rx_ring[i];
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   529
		adapter->alloc_rx_buf(adapter, ring,
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   530
		                      E1000_DESC_UNUSED(ring));
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   531
	}
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   532
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   533
	adapter->tx_queue_len = netdev->tx_queue_len;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   534
}
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   535
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   536
int e1000_up(struct e1000_adapter *adapter)
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   537
{
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   538
	/* hardware has been reset, we need to reload some things */
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   539
	e1000_configure(adapter);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   540
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   541
	clear_bit(__E1000_DOWN, &adapter->flags);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   542
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   543
#ifdef CONFIG_E1000_NAPI
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   544
	netif_poll_enable(adapter->netdev);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   545
#endif
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   546
	e1000_irq_enable(adapter);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   547
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   548
	/* fire a link change interrupt to start the watchdog */
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   549
	E1000_WRITE_REG(&adapter->hw, ICS, E1000_ICS_LSC);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   550
	return 0;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   551
}
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   552
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   553
/**
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   554
 * e1000_power_up_phy - restore link in case the phy was powered down
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   555
 * @adapter: address of board private structure
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   556
 *
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   557
 * The phy may be powered down to save power and turn off link when the
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   558
 * driver is unloaded and wake on lan is not enabled (among others)
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   559
 * *** this routine MUST be followed by a call to e1000_reset ***
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   560
 *
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   561
 **/
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   562
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   563
void e1000_power_up_phy(struct e1000_adapter *adapter)
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   564
{
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   565
	uint16_t mii_reg = 0;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   566
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   567
	/* Just clear the power down bit to wake the phy back up */
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   568
	if (adapter->hw.media_type == e1000_media_type_copper) {
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   569
		/* according to the manual, the phy will retain its
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   570
		 * settings across a power-down/up cycle */
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   571
		e1000_read_phy_reg(&adapter->hw, PHY_CTRL, &mii_reg);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   572
		mii_reg &= ~MII_CR_POWER_DOWN;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   573
		e1000_write_phy_reg(&adapter->hw, PHY_CTRL, mii_reg);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   574
	}
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   575
}
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   576
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   577
static void e1000_power_down_phy(struct e1000_adapter *adapter)
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   578
{
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   579
	/* Power down the PHY so no link is implied when interface is down *
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   580
	 * The PHY cannot be powered down if any of the following is TRUE *
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   581
	 * (a) WoL is enabled
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   582
	 * (b) AMT is active
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   583
	 * (c) SoL/IDER session is active */
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   584
	if (!adapter->wol && adapter->hw.mac_type >= e1000_82540 &&
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   585
	   adapter->hw.media_type == e1000_media_type_copper) {
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   586
		uint16_t mii_reg = 0;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   587
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   588
		switch (adapter->hw.mac_type) {
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   589
		case e1000_82540:
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   590
		case e1000_82545:
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   591
		case e1000_82545_rev_3:
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   592
		case e1000_82546:
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   593
		case e1000_82546_rev_3:
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   594
		case e1000_82541:
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   595
		case e1000_82541_rev_2:
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   596
		case e1000_82547:
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   597
		case e1000_82547_rev_2:
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   598
			if (E1000_READ_REG(&adapter->hw, MANC) &
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   599
			    E1000_MANC_SMBUS_EN)
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   600
				goto out;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   601
			break;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   602
		case e1000_82571:
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   603
		case e1000_82572:
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   604
		case e1000_82573:
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   605
		case e1000_80003es2lan:
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   606
		case e1000_ich8lan:
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   607
			if (e1000_check_mng_mode(&adapter->hw) ||
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   608
			    e1000_check_phy_reset_block(&adapter->hw))
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   609
				goto out;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   610
			break;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   611
		default:
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   612
			goto out;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   613
		}
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   614
		e1000_read_phy_reg(&adapter->hw, PHY_CTRL, &mii_reg);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   615
		mii_reg |= MII_CR_POWER_DOWN;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   616
		e1000_write_phy_reg(&adapter->hw, PHY_CTRL, mii_reg);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   617
		mdelay(1);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   618
	}
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   619
out:
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   620
	return;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   621
}
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   622
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   623
void
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   624
e1000_down(struct e1000_adapter *adapter)
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   625
{
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   626
	struct net_device *netdev = adapter->netdev;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   627
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   628
	/* signal that we're down so the interrupt handler does not
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   629
	 * reschedule our watchdog timer */
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   630
	set_bit(__E1000_DOWN, &adapter->flags);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   631
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   632
#ifdef CONFIG_E1000_NAPI
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   633
	netif_poll_disable(netdev);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   634
#endif
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   635
	e1000_irq_disable(adapter);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   636
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   637
	del_timer_sync(&adapter->tx_fifo_stall_timer);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   638
	del_timer_sync(&adapter->watchdog_timer);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   639
	del_timer_sync(&adapter->phy_info_timer);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   640
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   641
	netdev->tx_queue_len = adapter->tx_queue_len;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   642
	adapter->link_speed = 0;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   643
	adapter->link_duplex = 0;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   644
	netif_carrier_off(netdev);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   645
	netif_stop_queue(netdev);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   646
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   647
	e1000_reset(adapter);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   648
	e1000_clean_all_tx_rings(adapter);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   649
	e1000_clean_all_rx_rings(adapter);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   650
}
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   651
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   652
void
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   653
e1000_reinit_locked(struct e1000_adapter *adapter)
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   654
{
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   655
	WARN_ON(in_interrupt());
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   656
	while (test_and_set_bit(__E1000_RESETTING, &adapter->flags))
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   657
		msleep(1);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   658
	e1000_down(adapter);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   659
	e1000_up(adapter);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   660
	clear_bit(__E1000_RESETTING, &adapter->flags);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   661
}
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   662
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   663
void
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   664
e1000_reset(struct e1000_adapter *adapter)
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   665
{
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   666
	uint32_t pba = 0, tx_space, min_tx_space, min_rx_space;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   667
	uint16_t fc_high_water_mark = E1000_FC_HIGH_DIFF;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   668
	boolean_t legacy_pba_adjust = FALSE;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   669
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   670
	/* Repartition Pba for greater than 9k mtu
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   671
	 * To take effect CTRL.RST is required.
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   672
	 */
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   673
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   674
	switch (adapter->hw.mac_type) {
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   675
	case e1000_82542_rev2_0:
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   676
	case e1000_82542_rev2_1:
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   677
	case e1000_82543:
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   678
	case e1000_82544:
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   679
	case e1000_82540:
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   680
	case e1000_82541:
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   681
	case e1000_82541_rev_2:
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   682
		legacy_pba_adjust = TRUE;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   683
		pba = E1000_PBA_48K;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   684
		break;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   685
	case e1000_82545:
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   686
	case e1000_82545_rev_3:
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   687
	case e1000_82546:
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   688
	case e1000_82546_rev_3:
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   689
		pba = E1000_PBA_48K;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   690
		break;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   691
	case e1000_82547:
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   692
	case e1000_82547_rev_2:
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   693
		legacy_pba_adjust = TRUE;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   694
		pba = E1000_PBA_30K;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   695
		break;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   696
	case e1000_82571:
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   697
	case e1000_82572:
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   698
	case e1000_80003es2lan:
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   699
		pba = E1000_PBA_38K;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   700
		break;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   701
	case e1000_82573:
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   702
		pba = E1000_PBA_20K;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   703
		break;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   704
	case e1000_ich8lan:
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   705
		pba = E1000_PBA_8K;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   706
	case e1000_undefined:
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   707
	case e1000_num_macs:
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   708
		break;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   709
	}
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   710
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   711
	if (legacy_pba_adjust == TRUE) {
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   712
		if (adapter->netdev->mtu > E1000_RXBUFFER_8192)
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   713
			pba -= 8; /* allocate more FIFO for Tx */
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   714
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   715
		if (adapter->hw.mac_type == e1000_82547) {
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   716
			adapter->tx_fifo_head = 0;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   717
			adapter->tx_head_addr = pba << E1000_TX_HEAD_ADDR_SHIFT;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   718
			adapter->tx_fifo_size =
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   719
				(E1000_PBA_40K - pba) << E1000_PBA_BYTES_SHIFT;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   720
			atomic_set(&adapter->tx_fifo_stall, 0);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   721
		}
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   722
	} else if (adapter->hw.max_frame_size > MAXIMUM_ETHERNET_FRAME_SIZE) {
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   723
		/* adjust PBA for jumbo frames */
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   724
		E1000_WRITE_REG(&adapter->hw, PBA, pba);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   725
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   726
		/* To maintain wire speed transmits, the Tx FIFO should be
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   727
		 * large enough to accomodate two full transmit packets,
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   728
		 * rounded up to the next 1KB and expressed in KB.  Likewise,
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   729
		 * the Rx FIFO should be large enough to accomodate at least
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   730
		 * one full receive packet and is similarly rounded up and
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   731
		 * expressed in KB. */
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   732
		pba = E1000_READ_REG(&adapter->hw, PBA);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   733
		/* upper 16 bits has Tx packet buffer allocation size in KB */
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   734
		tx_space = pba >> 16;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   735
		/* lower 16 bits has Rx packet buffer allocation size in KB */
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   736
		pba &= 0xffff;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   737
		/* don't include ethernet FCS because hardware appends/strips */
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   738
		min_rx_space = adapter->netdev->mtu + ENET_HEADER_SIZE +
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   739
		               VLAN_TAG_SIZE;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   740
		min_tx_space = min_rx_space;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   741
		min_tx_space *= 2;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   742
		min_tx_space = ALIGN(min_tx_space, 1024);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   743
		min_tx_space >>= 10;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   744
		min_rx_space = ALIGN(min_rx_space, 1024);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   745
		min_rx_space >>= 10;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   746
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   747
		/* If current Tx allocation is less than the min Tx FIFO size,
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   748
		 * and the min Tx FIFO size is less than the current Rx FIFO
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   749
		 * allocation, take space away from current Rx allocation */
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   750
		if (tx_space < min_tx_space &&
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   751
		    ((min_tx_space - tx_space) < pba)) {
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   752
			pba = pba - (min_tx_space - tx_space);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   753
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   754
			/* PCI/PCIx hardware has PBA alignment constraints */
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   755
			switch (adapter->hw.mac_type) {
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   756
			case e1000_82545 ... e1000_82546_rev_3:
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   757
				pba &= ~(E1000_PBA_8K - 1);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   758
				break;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   759
			default:
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   760
				break;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   761
			}
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   762
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   763
			/* if short on rx space, rx wins and must trump tx
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   764
			 * adjustment or use Early Receive if available */
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   765
			if (pba < min_rx_space) {
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   766
				switch (adapter->hw.mac_type) {
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   767
				case e1000_82573:
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   768
					/* ERT enabled in e1000_configure_rx */
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   769
					break;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   770
				default:
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   771
					pba = min_rx_space;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   772
					break;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   773
				}
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   774
			}
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   775
		}
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   776
	}
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   777
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   778
	E1000_WRITE_REG(&adapter->hw, PBA, pba);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   779
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   780
	/* flow control settings */
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   781
	/* Set the FC high water mark to 90% of the FIFO size.
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   782
	 * Required to clear last 3 LSB */
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   783
	fc_high_water_mark = ((pba * 9216)/10) & 0xFFF8;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   784
	/* We can't use 90% on small FIFOs because the remainder
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   785
	 * would be less than 1 full frame.  In this case, we size
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   786
	 * it to allow at least a full frame above the high water
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   787
	 *  mark. */
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   788
	if (pba < E1000_PBA_16K)
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   789
		fc_high_water_mark = (pba * 1024) - 1600;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   790
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   791
	adapter->hw.fc_high_water = fc_high_water_mark;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   792
	adapter->hw.fc_low_water = fc_high_water_mark - 8;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   793
	if (adapter->hw.mac_type == e1000_80003es2lan)
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   794
		adapter->hw.fc_pause_time = 0xFFFF;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   795
	else
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   796
		adapter->hw.fc_pause_time = E1000_FC_PAUSE_TIME;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   797
	adapter->hw.fc_send_xon = 1;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   798
	adapter->hw.fc = adapter->hw.original_fc;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   799
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   800
	/* Allow time for pending master requests to run */
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   801
	e1000_reset_hw(&adapter->hw);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   802
	if (adapter->hw.mac_type >= e1000_82544)
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   803
		E1000_WRITE_REG(&adapter->hw, WUC, 0);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   804
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   805
	if (e1000_init_hw(&adapter->hw))
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   806
		DPRINTK(PROBE, ERR, "Hardware Error\n");
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   807
	e1000_update_mng_vlan(adapter);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   808
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   809
	/* if (adapter->hwflags & HWFLAGS_PHY_PWR_BIT) { */
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   810
	if (adapter->hw.mac_type >= e1000_82544 &&
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   811
	    adapter->hw.mac_type <= e1000_82547_rev_2 &&
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   812
	    adapter->hw.autoneg == 1 &&
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   813
	    adapter->hw.autoneg_advertised == ADVERTISE_1000_FULL) {
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   814
		uint32_t ctrl = E1000_READ_REG(&adapter->hw, CTRL);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   815
		/* clear phy power management bit if we are in gig only mode,
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   816
		 * which if enabled will attempt negotiation to 100Mb, which
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   817
		 * can cause a loss of link at power off or driver unload */
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   818
		ctrl &= ~E1000_CTRL_SWDPIN3;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   819
		E1000_WRITE_REG(&adapter->hw, CTRL, ctrl);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   820
	}
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   821
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   822
	/* Enable h/w to recognize an 802.1Q VLAN Ethernet packet */
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   823
	E1000_WRITE_REG(&adapter->hw, VET, ETHERNET_IEEE_VLAN_TYPE);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   824
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   825
	e1000_reset_adaptive(&adapter->hw);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   826
	e1000_phy_get_info(&adapter->hw, &adapter->phy_info);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   827
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   828
	if (!adapter->smart_power_down &&
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   829
	    (adapter->hw.mac_type == e1000_82571 ||
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   830
	     adapter->hw.mac_type == e1000_82572)) {
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   831
		uint16_t phy_data = 0;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   832
		/* speed up time to link by disabling smart power down, ignore
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   833
		 * the return value of this function because there is nothing
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   834
		 * different we would do if it failed */
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   835
		e1000_read_phy_reg(&adapter->hw, IGP02E1000_PHY_POWER_MGMT,
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   836
		                   &phy_data);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   837
		phy_data &= ~IGP02E1000_PM_SPD;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   838
		e1000_write_phy_reg(&adapter->hw, IGP02E1000_PHY_POWER_MGMT,
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   839
		                    phy_data);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   840
	}
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   841
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   842
	e1000_release_manageability(adapter);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   843
}
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   844
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   845
/**
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   846
 * e1000_probe - Device Initialization Routine
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   847
 * @pdev: PCI device information struct
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   848
 * @ent: entry in e1000_pci_tbl
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   849
 *
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   850
 * Returns 0 on success, negative on failure
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   851
 *
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   852
 * e1000_probe initializes an adapter identified by a pci_dev structure.
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   853
 * The OS initialization, configuring of the adapter private structure,
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   854
 * and a hardware reset occur.
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   855
 **/
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   856
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   857
static int __devinit
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   858
e1000_probe(struct pci_dev *pdev,
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   859
            const struct pci_device_id *ent)
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   860
{
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   861
	struct net_device *netdev;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   862
	struct e1000_adapter *adapter;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   863
	unsigned long mmio_start, mmio_len;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   864
	unsigned long flash_start, flash_len;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   865
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   866
	static int cards_found = 0;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   867
	static int global_quad_port_a = 0; /* global ksp3 port a indication */
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   868
	int i, err, pci_using_dac;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   869
	uint16_t eeprom_data = 0;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   870
	uint16_t eeprom_apme_mask = E1000_EEPROM_APME;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   871
	if ((err = pci_enable_device(pdev)))
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   872
		return err;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   873
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   874
	if (!(err = pci_set_dma_mask(pdev, DMA_64BIT_MASK)) &&
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   875
	    !(err = pci_set_consistent_dma_mask(pdev, DMA_64BIT_MASK))) {
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   876
		pci_using_dac = 1;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   877
	} else {
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   878
		if ((err = pci_set_dma_mask(pdev, DMA_32BIT_MASK)) &&
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   879
		    (err = pci_set_consistent_dma_mask(pdev, DMA_32BIT_MASK))) {
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   880
			E1000_ERR("No usable DMA configuration, aborting\n");
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   881
			goto err_dma;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   882
		}
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   883
		pci_using_dac = 0;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   884
	}
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   885
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   886
	if ((err = pci_request_regions(pdev, e1000_driver_name)))
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   887
		goto err_pci_reg;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   888
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   889
	pci_set_master(pdev);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   890
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   891
	err = -ENOMEM;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   892
	netdev = alloc_etherdev(sizeof(struct e1000_adapter));
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   893
	if (!netdev)
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   894
		goto err_alloc_etherdev;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   895
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   896
	SET_MODULE_OWNER(netdev);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   897
	SET_NETDEV_DEV(netdev, &pdev->dev);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   898
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   899
	pci_set_drvdata(pdev, netdev);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   900
	adapter = netdev_priv(netdev);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   901
	adapter->netdev = netdev;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   902
	adapter->pdev = pdev;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   903
	adapter->hw.back = adapter;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   904
	adapter->msg_enable = (1 << debug) - 1;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   905
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   906
	mmio_start = pci_resource_start(pdev, BAR_0);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   907
	mmio_len = pci_resource_len(pdev, BAR_0);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   908
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   909
	err = -EIO;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   910
	adapter->hw.hw_addr = ioremap(mmio_start, mmio_len);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   911
	if (!adapter->hw.hw_addr)
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   912
		goto err_ioremap;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   913
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   914
	for (i = BAR_1; i <= BAR_5; i++) {
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   915
		if (pci_resource_len(pdev, i) == 0)
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   916
			continue;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   917
		if (pci_resource_flags(pdev, i) & IORESOURCE_IO) {
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   918
			adapter->hw.io_base = pci_resource_start(pdev, i);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   919
			break;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   920
		}
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   921
	}
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   922
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   923
	netdev->open = &e1000_open;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   924
	netdev->stop = &e1000_close;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   925
	netdev->hard_start_xmit = &e1000_xmit_frame;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   926
	netdev->get_stats = &e1000_get_stats;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   927
	netdev->set_multicast_list = &e1000_set_multi;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   928
	netdev->set_mac_address = &e1000_set_mac;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   929
	netdev->change_mtu = &e1000_change_mtu;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   930
	netdev->do_ioctl = &e1000_ioctl;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   931
	e1000_set_ethtool_ops(netdev);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   932
	netdev->tx_timeout = &e1000_tx_timeout;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   933
	netdev->watchdog_timeo = 5 * HZ;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   934
#ifdef CONFIG_E1000_NAPI
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   935
	netdev->poll = &e1000_clean;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   936
	netdev->weight = 64;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   937
#endif
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   938
	netdev->vlan_rx_register = e1000_vlan_rx_register;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   939
	netdev->vlan_rx_add_vid = e1000_vlan_rx_add_vid;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   940
	netdev->vlan_rx_kill_vid = e1000_vlan_rx_kill_vid;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   941
#ifdef CONFIG_NET_POLL_CONTROLLER
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   942
	netdev->poll_controller = e1000_netpoll;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   943
#endif
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   944
	strncpy(netdev->name, pci_name(pdev), sizeof(netdev->name) - 1);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   945
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   946
	netdev->mem_start = mmio_start;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   947
	netdev->mem_end = mmio_start + mmio_len;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   948
	netdev->base_addr = adapter->hw.io_base;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   949
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   950
	adapter->bd_number = cards_found;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   951
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   952
	/* setup the private structure */
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   953
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   954
	if ((err = e1000_sw_init(adapter)))
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   955
		goto err_sw_init;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   956
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   957
	err = -EIO;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   958
	/* Flash BAR mapping must happen after e1000_sw_init
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   959
	 * because it depends on mac_type */
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   960
	if ((adapter->hw.mac_type == e1000_ich8lan) &&
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   961
	   (pci_resource_flags(pdev, 1) & IORESOURCE_MEM)) {
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   962
		flash_start = pci_resource_start(pdev, 1);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   963
		flash_len = pci_resource_len(pdev, 1);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   964
		adapter->hw.flash_address = ioremap(flash_start, flash_len);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   965
		if (!adapter->hw.flash_address)
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   966
			goto err_flashmap;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   967
	}
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   968
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   969
	if (e1000_check_phy_reset_block(&adapter->hw))
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   970
		DPRINTK(PROBE, INFO, "PHY reset is blocked due to SOL/IDER session.\n");
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   971
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   972
	if (adapter->hw.mac_type >= e1000_82543) {
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   973
		netdev->features = NETIF_F_SG |
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   974
				   NETIF_F_HW_CSUM |
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   975
				   NETIF_F_HW_VLAN_TX |
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   976
				   NETIF_F_HW_VLAN_RX |
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   977
				   NETIF_F_HW_VLAN_FILTER;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   978
		if (adapter->hw.mac_type == e1000_ich8lan)
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   979
			netdev->features &= ~NETIF_F_HW_VLAN_FILTER;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   980
	}
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   981
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   982
	if ((adapter->hw.mac_type >= e1000_82544) &&
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   983
	   (adapter->hw.mac_type != e1000_82547))
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   984
		netdev->features |= NETIF_F_TSO;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   985
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   986
	if (adapter->hw.mac_type > e1000_82547_rev_2)
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   987
		netdev->features |= NETIF_F_TSO6;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   988
	if (pci_using_dac)
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   989
		netdev->features |= NETIF_F_HIGHDMA;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   990
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   991
	netdev->features |= NETIF_F_LLTX;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   992
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   993
	adapter->en_mng_pt = e1000_enable_mng_pass_thru(&adapter->hw);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   994
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   995
	/* initialize eeprom parameters */
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   996
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   997
	if (e1000_init_eeprom_params(&adapter->hw)) {
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   998
		E1000_ERR("EEPROM initialization failed\n");
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   999
		goto err_eeprom;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1000
	}
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1001
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1002
	/* before reading the EEPROM, reset the controller to
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1003
	 * put the device in a known good starting state */
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1004
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1005
	e1000_reset_hw(&adapter->hw);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1006
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1007
	/* make sure the EEPROM is good */
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1008
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1009
	if (e1000_validate_eeprom_checksum(&adapter->hw) < 0) {
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1010
		DPRINTK(PROBE, ERR, "The EEPROM Checksum Is Not Valid\n");
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1011
		goto err_eeprom;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1012
	}
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1013
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1014
	/* copy the MAC address out of the EEPROM */
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1015
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1016
	if (e1000_read_mac_addr(&adapter->hw))
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1017
		DPRINTK(PROBE, ERR, "EEPROM Read Error\n");
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1018
	memcpy(netdev->dev_addr, adapter->hw.mac_addr, netdev->addr_len);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1019
	memcpy(netdev->perm_addr, adapter->hw.mac_addr, netdev->addr_len);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1020
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1021
	if (!is_valid_ether_addr(netdev->perm_addr)) {
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1022
		DPRINTK(PROBE, ERR, "Invalid MAC Address\n");
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1023
		goto err_eeprom;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1024
	}
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1025
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1026
	e1000_get_bus_info(&adapter->hw);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1027
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1028
	init_timer(&adapter->tx_fifo_stall_timer);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1029
	adapter->tx_fifo_stall_timer.function = &e1000_82547_tx_fifo_stall;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1030
	adapter->tx_fifo_stall_timer.data = (unsigned long) adapter;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1031
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1032
	init_timer(&adapter->watchdog_timer);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1033
	adapter->watchdog_timer.function = &e1000_watchdog;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1034
	adapter->watchdog_timer.data = (unsigned long) adapter;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1035
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1036
	init_timer(&adapter->phy_info_timer);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1037
	adapter->phy_info_timer.function = &e1000_update_phy_info;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1038
	adapter->phy_info_timer.data = (unsigned long) adapter;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1039
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1040
	INIT_WORK(&adapter->reset_task, e1000_reset_task);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1041
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1042
	e1000_check_options(adapter);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1043
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1044
	/* Initial Wake on LAN setting
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1045
	 * If APM wake is enabled in the EEPROM,
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1046
	 * enable the ACPI Magic Packet filter
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1047
	 */
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1048
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1049
	switch (adapter->hw.mac_type) {
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1050
	case e1000_82542_rev2_0:
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1051
	case e1000_82542_rev2_1:
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1052
	case e1000_82543:
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1053
		break;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1054
	case e1000_82544:
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1055
		e1000_read_eeprom(&adapter->hw,
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1056
			EEPROM_INIT_CONTROL2_REG, 1, &eeprom_data);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1057
		eeprom_apme_mask = E1000_EEPROM_82544_APM;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1058
		break;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1059
	case e1000_ich8lan:
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1060
		e1000_read_eeprom(&adapter->hw,
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1061
			EEPROM_INIT_CONTROL1_REG, 1, &eeprom_data);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1062
		eeprom_apme_mask = E1000_EEPROM_ICH8_APME;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1063
		break;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1064
	case e1000_82546:
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1065
	case e1000_82546_rev_3:
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1066
	case e1000_82571:
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1067
	case e1000_80003es2lan:
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1068
		if (E1000_READ_REG(&adapter->hw, STATUS) & E1000_STATUS_FUNC_1){
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1069
			e1000_read_eeprom(&adapter->hw,
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1070
				EEPROM_INIT_CONTROL3_PORT_B, 1, &eeprom_data);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1071
			break;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1072
		}
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1073
		/* Fall Through */
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1074
	default:
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1075
		e1000_read_eeprom(&adapter->hw,
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1076
			EEPROM_INIT_CONTROL3_PORT_A, 1, &eeprom_data);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1077
		break;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1078
	}
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1079
	if (eeprom_data & eeprom_apme_mask)
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1080
		adapter->eeprom_wol |= E1000_WUFC_MAG;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1081
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1082
	/* now that we have the eeprom settings, apply the special cases
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1083
	 * where the eeprom may be wrong or the board simply won't support
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1084
	 * wake on lan on a particular port */
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1085
	switch (pdev->device) {
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1086
	case E1000_DEV_ID_82546GB_PCIE:
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1087
		adapter->eeprom_wol = 0;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1088
		break;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1089
	case E1000_DEV_ID_82546EB_FIBER:
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1090
	case E1000_DEV_ID_82546GB_FIBER:
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1091
	case E1000_DEV_ID_82571EB_FIBER:
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1092
		/* Wake events only supported on port A for dual fiber
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1093
		 * regardless of eeprom setting */
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1094
		if (E1000_READ_REG(&adapter->hw, STATUS) & E1000_STATUS_FUNC_1)
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1095
			adapter->eeprom_wol = 0;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1096
		break;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1097
	case E1000_DEV_ID_82546GB_QUAD_COPPER_KSP3:
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1098
	case E1000_DEV_ID_82571EB_QUAD_COPPER:
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1099
	case E1000_DEV_ID_82571EB_QUAD_COPPER_LOWPROFILE:
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1100
		/* if quad port adapter, disable WoL on all but port A */
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1101
		if (global_quad_port_a != 0)
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1102
			adapter->eeprom_wol = 0;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1103
		else
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1104
			adapter->quad_port_a = 1;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1105
		/* Reset for multiple quad port adapters */
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1106
		if (++global_quad_port_a == 4)
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1107
			global_quad_port_a = 0;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1108
		break;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1109
	}
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1110
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1111
	/* initialize the wol settings based on the eeprom settings */
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1112
	adapter->wol = adapter->eeprom_wol;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1113
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1114
	/* print bus type/speed/width info */
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1115
	{
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1116
	struct e1000_hw *hw = &adapter->hw;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1117
	DPRINTK(PROBE, INFO, "(PCI%s:%s:%s) ",
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1118
		((hw->bus_type == e1000_bus_type_pcix) ? "-X" :
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1119
		 (hw->bus_type == e1000_bus_type_pci_express ? " Express":"")),
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1120
		((hw->bus_speed == e1000_bus_speed_2500) ? "2.5Gb/s" :
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1121
		 (hw->bus_speed == e1000_bus_speed_133) ? "133MHz" :
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1122
		 (hw->bus_speed == e1000_bus_speed_120) ? "120MHz" :
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1123
		 (hw->bus_speed == e1000_bus_speed_100) ? "100MHz" :
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1124
		 (hw->bus_speed == e1000_bus_speed_66) ? "66MHz" : "33MHz"),
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1125
		((hw->bus_width == e1000_bus_width_64) ? "64-bit" :
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1126
		 (hw->bus_width == e1000_bus_width_pciex_4) ? "Width x4" :
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1127
		 (hw->bus_width == e1000_bus_width_pciex_1) ? "Width x1" :
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1128
		 "32-bit"));
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1129
	}
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1130
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1131
	for (i = 0; i < 6; i++)
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1132
		printk("%2.2x%c", netdev->dev_addr[i], i == 5 ? '\n' : ':');
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1133
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1134
	/* reset the hardware with the new settings */
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1135
	e1000_reset(adapter);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1136
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1137
	/* If the controller is 82573 and f/w is AMT, do not set
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1138
	 * DRV_LOAD until the interface is up.  For all other cases,
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1139
	 * let the f/w know that the h/w is now under the control
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1140
	 * of the driver. */
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1141
	if (adapter->hw.mac_type != e1000_82573 ||
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1142
	    !e1000_check_mng_mode(&adapter->hw))
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1143
		e1000_get_hw_control(adapter);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1144
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1145
	/* tell the stack to leave us alone until e1000_open() is called */
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1146
	netif_carrier_off(netdev);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1147
	netif_stop_queue(netdev);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1148
#ifdef CONFIG_E1000_NAPI
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1149
	netif_poll_disable(netdev);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1150
#endif
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1151
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1152
	strcpy(netdev->name, "eth%d");
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1153
	if ((err = register_netdev(netdev)))
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1154
		goto err_register;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1155
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1156
	DPRINTK(PROBE, INFO, "Intel(R) PRO/1000 Network Connection\n");
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1157
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1158
	cards_found++;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1159
	return 0;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1160
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1161
err_register:
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1162
	e1000_release_hw_control(adapter);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1163
err_eeprom:
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1164
	if (!e1000_check_phy_reset_block(&adapter->hw))
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1165
		e1000_phy_hw_reset(&adapter->hw);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1166
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1167
	if (adapter->hw.flash_address)
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1168
		iounmap(adapter->hw.flash_address);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1169
err_flashmap:
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1170
#ifdef CONFIG_E1000_NAPI
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1171
	for (i = 0; i < adapter->num_rx_queues; i++)
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1172
		dev_put(&adapter->polling_netdev[i]);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1173
#endif
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1174
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1175
	kfree(adapter->tx_ring);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1176
	kfree(adapter->rx_ring);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1177
#ifdef CONFIG_E1000_NAPI
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1178
	kfree(adapter->polling_netdev);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1179
#endif
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1180
err_sw_init:
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1181
	iounmap(adapter->hw.hw_addr);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1182
err_ioremap:
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1183
	free_netdev(netdev);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1184
err_alloc_etherdev:
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1185
	pci_release_regions(pdev);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1186
err_pci_reg:
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1187
err_dma:
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1188
	pci_disable_device(pdev);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1189
	return err;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1190
}
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1191
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1192
/**
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1193
 * e1000_remove - Device Removal Routine
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1194
 * @pdev: PCI device information struct
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1195
 *
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1196
 * e1000_remove is called by the PCI subsystem to alert the driver
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1197
 * that it should release a PCI device.  The could be caused by a
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1198
 * Hot-Plug event, or because the driver is going to be removed from
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1199
 * memory.
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1200
 **/
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1201
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1202
static void __devexit
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1203
e1000_remove(struct pci_dev *pdev)
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1204
{
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1205
	struct net_device *netdev = pci_get_drvdata(pdev);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1206
	struct e1000_adapter *adapter = netdev_priv(netdev);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1207
#ifdef CONFIG_E1000_NAPI
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1208
	int i;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1209
#endif
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1210
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1211
	cancel_work_sync(&adapter->reset_task);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1212
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1213
	e1000_release_manageability(adapter);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1214
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1215
	/* Release control of h/w to f/w.  If f/w is AMT enabled, this
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1216
	 * would have already happened in close and is redundant. */
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1217
	e1000_release_hw_control(adapter);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1218
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1219
	unregister_netdev(netdev);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1220
#ifdef CONFIG_E1000_NAPI
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1221
	for (i = 0; i < adapter->num_rx_queues; i++)
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1222
		dev_put(&adapter->polling_netdev[i]);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1223
#endif
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1224
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1225
	if (!e1000_check_phy_reset_block(&adapter->hw))
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1226
		e1000_phy_hw_reset(&adapter->hw);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1227
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1228
	kfree(adapter->tx_ring);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1229
	kfree(adapter->rx_ring);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1230
#ifdef CONFIG_E1000_NAPI
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1231
	kfree(adapter->polling_netdev);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1232
#endif
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1233
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1234
	iounmap(adapter->hw.hw_addr);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1235
	if (adapter->hw.flash_address)
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1236
		iounmap(adapter->hw.flash_address);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1237
	pci_release_regions(pdev);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1238
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1239
	free_netdev(netdev);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1240
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1241
	pci_disable_device(pdev);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1242
}
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1243
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1244
/**
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1245
 * e1000_sw_init - Initialize general software structures (struct e1000_adapter)
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1246
 * @adapter: board private structure to initialize
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1247
 *
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1248
 * e1000_sw_init initializes the Adapter private data structure.
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1249
 * Fields are initialized based on PCI device information and
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1250
 * OS network device settings (MTU size).
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1251
 **/
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1252
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1253
static int __devinit
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1254
e1000_sw_init(struct e1000_adapter *adapter)
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1255
{
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1256
	struct e1000_hw *hw = &adapter->hw;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1257
	struct net_device *netdev = adapter->netdev;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1258
	struct pci_dev *pdev = adapter->pdev;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1259
#ifdef CONFIG_E1000_NAPI
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1260
	int i;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1261
#endif
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1262
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1263
	/* PCI config space info */
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1264
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1265
	hw->vendor_id = pdev->vendor;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1266
	hw->device_id = pdev->device;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1267
	hw->subsystem_vendor_id = pdev->subsystem_vendor;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1268
	hw->subsystem_id = pdev->subsystem_device;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1269
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1270
	pci_read_config_byte(pdev, PCI_REVISION_ID, &hw->revision_id);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1271
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1272
	pci_read_config_word(pdev, PCI_COMMAND, &hw->pci_cmd_word);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1273
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1274
	adapter->rx_buffer_len = MAXIMUM_ETHERNET_VLAN_SIZE;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1275
	adapter->rx_ps_bsize0 = E1000_RXBUFFER_128;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1276
	hw->max_frame_size = netdev->mtu +
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1277
			     ENET_HEADER_SIZE + ETHERNET_FCS_SIZE;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1278
	hw->min_frame_size = MINIMUM_ETHERNET_FRAME_SIZE;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1279
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1280
	/* identify the MAC */
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1281
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1282
	if (e1000_set_mac_type(hw)) {
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1283
		DPRINTK(PROBE, ERR, "Unknown MAC Type\n");
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1284
		return -EIO;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1285
	}
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1286
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1287
	switch (hw->mac_type) {
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1288
	default:
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1289
		break;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1290
	case e1000_82541:
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1291
	case e1000_82547:
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1292
	case e1000_82541_rev_2:
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1293
	case e1000_82547_rev_2:
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1294
		hw->phy_init_script = 1;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1295
		break;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1296
	}
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1297
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1298
	e1000_set_media_type(hw);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1299
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1300
	hw->wait_autoneg_complete = FALSE;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1301
	hw->tbi_compatibility_en = TRUE;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1302
	hw->adaptive_ifs = TRUE;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1303
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1304
	/* Copper options */
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1305
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1306
	if (hw->media_type == e1000_media_type_copper) {
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1307
		hw->mdix = AUTO_ALL_MODES;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1308
		hw->disable_polarity_correction = FALSE;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1309
		hw->master_slave = E1000_MASTER_SLAVE;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1310
	}
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1311
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1312
	adapter->num_tx_queues = 1;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1313
	adapter->num_rx_queues = 1;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1314
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1315
	if (e1000_alloc_queues(adapter)) {
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1316
		DPRINTK(PROBE, ERR, "Unable to allocate memory for queues\n");
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1317
		return -ENOMEM;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1318
	}
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1319
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1320
#ifdef CONFIG_E1000_NAPI
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1321
	for (i = 0; i < adapter->num_rx_queues; i++) {
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1322
		adapter->polling_netdev[i].priv = adapter;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1323
		adapter->polling_netdev[i].poll = &e1000_clean;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1324
		adapter->polling_netdev[i].weight = 64;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1325
		dev_hold(&adapter->polling_netdev[i]);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1326
		set_bit(__LINK_STATE_START, &adapter->polling_netdev[i].state);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1327
	}
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1328
	spin_lock_init(&adapter->tx_queue_lock);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1329
#endif
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1330
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1331
	/* Explicitly disable IRQ since the NIC can be in any state. */
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1332
	atomic_set(&adapter->irq_sem, 0);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1333
	e1000_irq_disable(adapter);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1334
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1335
	spin_lock_init(&adapter->stats_lock);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1336
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1337
	set_bit(__E1000_DOWN, &adapter->flags);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1338
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1339
	return 0;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1340
}
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1341
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1342
/**
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1343
 * e1000_alloc_queues - Allocate memory for all rings
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1344
 * @adapter: board private structure to initialize
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1345
 *
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1346
 * We allocate one ring per queue at run-time since we don't know the
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1347
 * number of queues at compile-time.  The polling_netdev array is
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1348
 * intended for Multiqueue, but should work fine with a single queue.
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1349
 **/
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1350
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1351
static int __devinit
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1352
e1000_alloc_queues(struct e1000_adapter *adapter)
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1353
{
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1354
	adapter->tx_ring = kcalloc(adapter->num_tx_queues,
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1355
	                           sizeof(struct e1000_tx_ring), GFP_KERNEL);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1356
	if (!adapter->tx_ring)
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1357
		return -ENOMEM;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1358
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1359
	adapter->rx_ring = kcalloc(adapter->num_rx_queues,
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1360
	                           sizeof(struct e1000_rx_ring), GFP_KERNEL);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1361
	if (!adapter->rx_ring) {
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1362
		kfree(adapter->tx_ring);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1363
		return -ENOMEM;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1364
	}
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1365
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1366
#ifdef CONFIG_E1000_NAPI
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1367
	adapter->polling_netdev = kcalloc(adapter->num_rx_queues,
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1368
	                                  sizeof(struct net_device),
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1369
	                                  GFP_KERNEL);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1370
	if (!adapter->polling_netdev) {
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1371
		kfree(adapter->tx_ring);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1372
		kfree(adapter->rx_ring);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1373
		return -ENOMEM;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1374
	}
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1375
#endif
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1376
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1377
	return E1000_SUCCESS;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1378
}
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1379
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1380
/**
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1381
 * e1000_open - Called when a network interface is made active
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1382
 * @netdev: network interface device structure
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1383
 *
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1384
 * Returns 0 on success, negative value on failure
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1385
 *
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1386
 * The open entry point is called when a network interface is made
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1387
 * active by the system (IFF_UP).  At this point all resources needed
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1388
 * for transmit and receive operations are allocated, the interrupt
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1389
 * handler is registered with the OS, the watchdog timer is started,
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1390
 * and the stack is notified that the interface is ready.
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1391
 **/
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1392
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1393
static int
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1394
e1000_open(struct net_device *netdev)
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1395
{
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1396
	struct e1000_adapter *adapter = netdev_priv(netdev);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1397
	int err;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1398
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1399
	/* disallow open during test */
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1400
	if (test_bit(__E1000_TESTING, &adapter->flags))
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1401
		return -EBUSY;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1402
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1403
	/* allocate transmit descriptors */
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1404
	err = e1000_setup_all_tx_resources(adapter);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1405
	if (err)
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1406
		goto err_setup_tx;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1407
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1408
	/* allocate receive descriptors */
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1409
	err = e1000_setup_all_rx_resources(adapter);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1410
	if (err)
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1411
		goto err_setup_rx;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1412
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1413
	e1000_power_up_phy(adapter);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1414
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1415
	adapter->mng_vlan_id = E1000_MNG_VLAN_NONE;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1416
	if ((adapter->hw.mng_cookie.status &
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1417
			  E1000_MNG_DHCP_COOKIE_STATUS_VLAN_SUPPORT)) {
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1418
		e1000_update_mng_vlan(adapter);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1419
	}
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1420
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1421
	/* If AMT is enabled, let the firmware know that the network
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1422
	 * interface is now open */
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1423
	if (adapter->hw.mac_type == e1000_82573 &&
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1424
	    e1000_check_mng_mode(&adapter->hw))
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1425
		e1000_get_hw_control(adapter);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1426
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1427
	/* before we allocate an interrupt, we must be ready to handle it.
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1428
	 * Setting DEBUG_SHIRQ in the kernel makes it fire an interrupt
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1429
	 * as soon as we call pci_request_irq, so we have to setup our
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1430
	 * clean_rx handler before we do so.  */
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1431
	e1000_configure(adapter);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1432
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1433
	err = e1000_request_irq(adapter);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1434
	if (err)
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1435
		goto err_req_irq;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1436
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1437
	/* From here on the code is the same as e1000_up() */
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1438
	clear_bit(__E1000_DOWN, &adapter->flags);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1439
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1440
#ifdef CONFIG_E1000_NAPI
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1441
	netif_poll_enable(netdev);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1442
#endif
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1443
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1444
	e1000_irq_enable(adapter);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1445
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1446
	/* fire a link status change interrupt to start the watchdog */
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1447
	E1000_WRITE_REG(&adapter->hw, ICS, E1000_ICS_LSC);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1448
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1449
	return E1000_SUCCESS;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1450
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1451
err_req_irq:
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1452
	e1000_release_hw_control(adapter);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1453
	e1000_power_down_phy(adapter);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1454
	e1000_free_all_rx_resources(adapter);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1455
err_setup_rx:
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1456
	e1000_free_all_tx_resources(adapter);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1457
err_setup_tx:
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1458
	e1000_reset(adapter);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1459
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1460
	return err;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1461
}
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1462
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1463
/**
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1464
 * e1000_close - Disables a network interface
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1465
 * @netdev: network interface device structure
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1466
 *
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1467
 * Returns 0, this is not allowed to fail
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1468
 *
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1469
 * The close entry point is called when an interface is de-activated
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1470
 * by the OS.  The hardware is still under the drivers control, but
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1471
 * needs to be disabled.  A global MAC reset is issued to stop the
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1472
 * hardware, and all transmit and receive resources are freed.
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1473
 **/
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1474
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1475
static int
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1476
e1000_close(struct net_device *netdev)
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1477
{
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1478
	struct e1000_adapter *adapter = netdev_priv(netdev);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1479
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1480
	WARN_ON(test_bit(__E1000_RESETTING, &adapter->flags));
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1481
	e1000_down(adapter);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1482
	e1000_power_down_phy(adapter);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1483
	e1000_free_irq(adapter);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1484
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1485
	e1000_free_all_tx_resources(adapter);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1486
	e1000_free_all_rx_resources(adapter);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1487
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1488
	/* kill manageability vlan ID if supported, but not if a vlan with
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1489
	 * the same ID is registered on the host OS (let 8021q kill it) */
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1490
	if ((adapter->hw.mng_cookie.status &
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1491
			  E1000_MNG_DHCP_COOKIE_STATUS_VLAN_SUPPORT) &&
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1492
	     !(adapter->vlgrp &&
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1493
	       vlan_group_get_device(adapter->vlgrp, adapter->mng_vlan_id))) {
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1494
		e1000_vlan_rx_kill_vid(netdev, adapter->mng_vlan_id);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1495
	}
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1496
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1497
	/* If AMT is enabled, let the firmware know that the network
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1498
	 * interface is now closed */
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1499
	if (adapter->hw.mac_type == e1000_82573 &&
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1500
	    e1000_check_mng_mode(&adapter->hw))
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1501
		e1000_release_hw_control(adapter);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1502
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1503
	return 0;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1504
}
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1505
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1506
/**
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1507
 * e1000_check_64k_bound - check that memory doesn't cross 64kB boundary
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1508
 * @adapter: address of board private structure
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1509
 * @start: address of beginning of memory
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1510
 * @len: length of memory
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1511
 **/
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1512
static boolean_t
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1513
e1000_check_64k_bound(struct e1000_adapter *adapter,
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1514
		      void *start, unsigned long len)
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1515
{
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1516
	unsigned long begin = (unsigned long) start;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1517
	unsigned long end = begin + len;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1518
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1519
	/* First rev 82545 and 82546 need to not allow any memory
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1520
	 * write location to cross 64k boundary due to errata 23 */
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1521
	if (adapter->hw.mac_type == e1000_82545 ||
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1522
	    adapter->hw.mac_type == e1000_82546) {
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1523
		return ((begin ^ (end - 1)) >> 16) != 0 ? FALSE : TRUE;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1524
	}
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1525
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1526
	return TRUE;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1527
}
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1528
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1529
/**
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1530
 * e1000_setup_tx_resources - allocate Tx resources (Descriptors)
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1531
 * @adapter: board private structure
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1532
 * @txdr:    tx descriptor ring (for a specific queue) to setup
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1533
 *
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1534
 * Return 0 on success, negative on failure
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1535
 **/
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1536
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1537
static int
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1538
e1000_setup_tx_resources(struct e1000_adapter *adapter,
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1539
                         struct e1000_tx_ring *txdr)
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1540
{
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1541
	struct pci_dev *pdev = adapter->pdev;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1542
	int size;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1543
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1544
	size = sizeof(struct e1000_buffer) * txdr->count;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1545
	txdr->buffer_info = vmalloc(size);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1546
	if (!txdr->buffer_info) {
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1547
		DPRINTK(PROBE, ERR,
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1548
		"Unable to allocate memory for the transmit descriptor ring\n");
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1549
		return -ENOMEM;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1550
	}
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1551
	memset(txdr->buffer_info, 0, size);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1552
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1553
	/* round up to nearest 4K */
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1554
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1555
	txdr->size = txdr->count * sizeof(struct e1000_tx_desc);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1556
	txdr->size = ALIGN(txdr->size, 4096);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1557
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1558
	txdr->desc = pci_alloc_consistent(pdev, txdr->size, &txdr->dma);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1559
	if (!txdr->desc) {
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1560
setup_tx_desc_die:
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1561
		vfree(txdr->buffer_info);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1562
		DPRINTK(PROBE, ERR,
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1563
		"Unable to allocate memory for the transmit descriptor ring\n");
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1564
		return -ENOMEM;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1565
	}
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1566
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1567
	/* Fix for errata 23, can't cross 64kB boundary */
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1568
	if (!e1000_check_64k_bound(adapter, txdr->desc, txdr->size)) {
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1569
		void *olddesc = txdr->desc;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1570
		dma_addr_t olddma = txdr->dma;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1571
		DPRINTK(TX_ERR, ERR, "txdr align check failed: %u bytes "
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1572
				     "at %p\n", txdr->size, txdr->desc);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1573
		/* Try again, without freeing the previous */
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1574
		txdr->desc = pci_alloc_consistent(pdev, txdr->size, &txdr->dma);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1575
		/* Failed allocation, critical failure */
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1576
		if (!txdr->desc) {
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1577
			pci_free_consistent(pdev, txdr->size, olddesc, olddma);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1578
			goto setup_tx_desc_die;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1579
		}
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1580
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1581
		if (!e1000_check_64k_bound(adapter, txdr->desc, txdr->size)) {
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1582
			/* give up */
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1583
			pci_free_consistent(pdev, txdr->size, txdr->desc,
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1584
					    txdr->dma);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1585
			pci_free_consistent(pdev, txdr->size, olddesc, olddma);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1586
			DPRINTK(PROBE, ERR,
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1587
				"Unable to allocate aligned memory "
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1588
				"for the transmit descriptor ring\n");
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1589
			vfree(txdr->buffer_info);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1590
			return -ENOMEM;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1591
		} else {
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1592
			/* Free old allocation, new allocation was successful */
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1593
			pci_free_consistent(pdev, txdr->size, olddesc, olddma);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1594
		}
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1595
	}
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1596
	memset(txdr->desc, 0, txdr->size);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1597
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1598
	txdr->next_to_use = 0;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1599
	txdr->next_to_clean = 0;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1600
	spin_lock_init(&txdr->tx_lock);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1601
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1602
	return 0;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1603
}
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1604
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1605
/**
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1606
 * e1000_setup_all_tx_resources - wrapper to allocate Tx resources
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1607
 * 				  (Descriptors) for all queues
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1608
 * @adapter: board private structure
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1609
 *
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1610
 * Return 0 on success, negative on failure
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1611
 **/
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1612
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1613
int
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1614
e1000_setup_all_tx_resources(struct e1000_adapter *adapter)
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1615
{
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1616
	int i, err = 0;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1617
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1618
	for (i = 0; i < adapter->num_tx_queues; i++) {
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1619
		err = e1000_setup_tx_resources(adapter, &adapter->tx_ring[i]);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1620
		if (err) {
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1621
			DPRINTK(PROBE, ERR,
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1622
				"Allocation for Tx Queue %u failed\n", i);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1623
			for (i-- ; i >= 0; i--)
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1624
				e1000_free_tx_resources(adapter,
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1625
							&adapter->tx_ring[i]);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1626
			break;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1627
		}
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1628
	}
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1629
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1630
	return err;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1631
}
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1632
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1633
/**
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1634
 * e1000_configure_tx - Configure 8254x Transmit Unit after Reset
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1635
 * @adapter: board private structure
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1636
 *
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1637
 * Configure the Tx unit of the MAC after a reset.
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1638
 **/
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1639
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1640
static void
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1641
e1000_configure_tx(struct e1000_adapter *adapter)
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1642
{
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1643
	uint64_t tdba;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1644
	struct e1000_hw *hw = &adapter->hw;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1645
	uint32_t tdlen, tctl, tipg, tarc;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1646
	uint32_t ipgr1, ipgr2;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1647
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1648
	/* Setup the HW Tx Head and Tail descriptor pointers */
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1649
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1650
	switch (adapter->num_tx_queues) {
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1651
	case 1:
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1652
	default:
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1653
		tdba = adapter->tx_ring[0].dma;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1654
		tdlen = adapter->tx_ring[0].count *
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1655
			sizeof(struct e1000_tx_desc);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1656
		E1000_WRITE_REG(hw, TDLEN, tdlen);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1657
		E1000_WRITE_REG(hw, TDBAH, (tdba >> 32));
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1658
		E1000_WRITE_REG(hw, TDBAL, (tdba & 0x00000000ffffffffULL));
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1659
		E1000_WRITE_REG(hw, TDT, 0);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1660
		E1000_WRITE_REG(hw, TDH, 0);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1661
		adapter->tx_ring[0].tdh = ((hw->mac_type >= e1000_82543) ? E1000_TDH : E1000_82542_TDH);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1662
		adapter->tx_ring[0].tdt = ((hw->mac_type >= e1000_82543) ? E1000_TDT : E1000_82542_TDT);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1663
		break;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1664
	}
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1665
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1666
	/* Set the default values for the Tx Inter Packet Gap timer */
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1667
	if (adapter->hw.mac_type <= e1000_82547_rev_2 &&
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1668
	    (hw->media_type == e1000_media_type_fiber ||
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1669
	     hw->media_type == e1000_media_type_internal_serdes))
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1670
		tipg = DEFAULT_82543_TIPG_IPGT_FIBER;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1671
	else
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1672
		tipg = DEFAULT_82543_TIPG_IPGT_COPPER;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1673
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1674
	switch (hw->mac_type) {
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1675
	case e1000_82542_rev2_0:
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1676
	case e1000_82542_rev2_1:
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1677
		tipg = DEFAULT_82542_TIPG_IPGT;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1678
		ipgr1 = DEFAULT_82542_TIPG_IPGR1;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1679
		ipgr2 = DEFAULT_82542_TIPG_IPGR2;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1680
		break;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1681
	case e1000_80003es2lan:
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1682
		ipgr1 = DEFAULT_82543_TIPG_IPGR1;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1683
		ipgr2 = DEFAULT_80003ES2LAN_TIPG_IPGR2;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1684
		break;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1685
	default:
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1686
		ipgr1 = DEFAULT_82543_TIPG_IPGR1;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1687
		ipgr2 = DEFAULT_82543_TIPG_IPGR2;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1688
		break;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1689
	}
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1690
	tipg |= ipgr1 << E1000_TIPG_IPGR1_SHIFT;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1691
	tipg |= ipgr2 << E1000_TIPG_IPGR2_SHIFT;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1692
	E1000_WRITE_REG(hw, TIPG, tipg);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1693
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1694
	/* Set the Tx Interrupt Delay register */
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1695
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1696
	E1000_WRITE_REG(hw, TIDV, adapter->tx_int_delay);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1697
	if (hw->mac_type >= e1000_82540)
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1698
		E1000_WRITE_REG(hw, TADV, adapter->tx_abs_int_delay);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1699
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1700
	/* Program the Transmit Control Register */
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1701
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1702
	tctl = E1000_READ_REG(hw, TCTL);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1703
	tctl &= ~E1000_TCTL_CT;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1704
	tctl |= E1000_TCTL_PSP | E1000_TCTL_RTLC |
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1705
		(E1000_COLLISION_THRESHOLD << E1000_CT_SHIFT);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1706
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1707
	if (hw->mac_type == e1000_82571 || hw->mac_type == e1000_82572) {
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1708
		tarc = E1000_READ_REG(hw, TARC0);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1709
		/* set the speed mode bit, we'll clear it if we're not at
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1710
		 * gigabit link later */
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1711
		tarc |= (1 << 21);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1712
		E1000_WRITE_REG(hw, TARC0, tarc);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1713
	} else if (hw->mac_type == e1000_80003es2lan) {
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1714
		tarc = E1000_READ_REG(hw, TARC0);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1715
		tarc |= 1;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1716
		E1000_WRITE_REG(hw, TARC0, tarc);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1717
		tarc = E1000_READ_REG(hw, TARC1);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1718
		tarc |= 1;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1719
		E1000_WRITE_REG(hw, TARC1, tarc);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1720
	}
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1721
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1722
	e1000_config_collision_dist(hw);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1723
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1724
	/* Setup Transmit Descriptor Settings for eop descriptor */
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1725
	adapter->txd_cmd = E1000_TXD_CMD_EOP | E1000_TXD_CMD_IFCS;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1726
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1727
	/* only set IDE if we are delaying interrupts using the timers */
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1728
	if (adapter->tx_int_delay)
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1729
		adapter->txd_cmd |= E1000_TXD_CMD_IDE;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1730
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1731
	if (hw->mac_type < e1000_82543)
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1732
		adapter->txd_cmd |= E1000_TXD_CMD_RPS;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1733
	else
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1734
		adapter->txd_cmd |= E1000_TXD_CMD_RS;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1735
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1736
	/* Cache if we're 82544 running in PCI-X because we'll
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1737
	 * need this to apply a workaround later in the send path. */
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1738
	if (hw->mac_type == e1000_82544 &&
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1739
	    hw->bus_type == e1000_bus_type_pcix)
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1740
		adapter->pcix_82544 = 1;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1741
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1742
	E1000_WRITE_REG(hw, TCTL, tctl);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1743
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1744
}
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1745
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1746
/**
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1747
 * e1000_setup_rx_resources - allocate Rx resources (Descriptors)
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1748
 * @adapter: board private structure
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1749
 * @rxdr:    rx descriptor ring (for a specific queue) to setup
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1750
 *
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1751
 * Returns 0 on success, negative on failure
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1752
 **/
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1753
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1754
static int
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1755
e1000_setup_rx_resources(struct e1000_adapter *adapter,
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1756
                         struct e1000_rx_ring *rxdr)
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1757
{
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1758
	struct pci_dev *pdev = adapter->pdev;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1759
	int size, desc_len;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1760
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1761
	size = sizeof(struct e1000_buffer) * rxdr->count;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1762
	rxdr->buffer_info = vmalloc(size);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1763
	if (!rxdr->buffer_info) {
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1764
		DPRINTK(PROBE, ERR,
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1765
		"Unable to allocate memory for the receive descriptor ring\n");
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1766
		return -ENOMEM;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1767
	}
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1768
	memset(rxdr->buffer_info, 0, size);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1769
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1770
	rxdr->ps_page = kcalloc(rxdr->count, sizeof(struct e1000_ps_page),
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1771
	                        GFP_KERNEL);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1772
	if (!rxdr->ps_page) {
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1773
		vfree(rxdr->buffer_info);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1774
		DPRINTK(PROBE, ERR,
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1775
		"Unable to allocate memory for the receive descriptor ring\n");
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1776
		return -ENOMEM;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1777
	}
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1778
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1779
	rxdr->ps_page_dma = kcalloc(rxdr->count,
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1780
	                            sizeof(struct e1000_ps_page_dma),
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1781
	                            GFP_KERNEL);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1782
	if (!rxdr->ps_page_dma) {
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1783
		vfree(rxdr->buffer_info);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1784
		kfree(rxdr->ps_page);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1785
		DPRINTK(PROBE, ERR,
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1786
		"Unable to allocate memory for the receive descriptor ring\n");
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1787
		return -ENOMEM;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1788
	}
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1789
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1790
	if (adapter->hw.mac_type <= e1000_82547_rev_2)
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1791
		desc_len = sizeof(struct e1000_rx_desc);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1792
	else
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1793
		desc_len = sizeof(union e1000_rx_desc_packet_split);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1794
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1795
	/* Round up to nearest 4K */
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1796
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1797
	rxdr->size = rxdr->count * desc_len;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1798
	rxdr->size = ALIGN(rxdr->size, 4096);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1799
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1800
	rxdr->desc = pci_alloc_consistent(pdev, rxdr->size, &rxdr->dma);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1801
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1802
	if (!rxdr->desc) {
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1803
		DPRINTK(PROBE, ERR,
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1804
		"Unable to allocate memory for the receive descriptor ring\n");
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1805
setup_rx_desc_die:
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1806
		vfree(rxdr->buffer_info);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1807
		kfree(rxdr->ps_page);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1808
		kfree(rxdr->ps_page_dma);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1809
		return -ENOMEM;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1810
	}
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1811
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1812
	/* Fix for errata 23, can't cross 64kB boundary */
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1813
	if (!e1000_check_64k_bound(adapter, rxdr->desc, rxdr->size)) {
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1814
		void *olddesc = rxdr->desc;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1815
		dma_addr_t olddma = rxdr->dma;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1816
		DPRINTK(RX_ERR, ERR, "rxdr align check failed: %u bytes "
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1817
				     "at %p\n", rxdr->size, rxdr->desc);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1818
		/* Try again, without freeing the previous */
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1819
		rxdr->desc = pci_alloc_consistent(pdev, rxdr->size, &rxdr->dma);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1820
		/* Failed allocation, critical failure */
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1821
		if (!rxdr->desc) {
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1822
			pci_free_consistent(pdev, rxdr->size, olddesc, olddma);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1823
			DPRINTK(PROBE, ERR,
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1824
				"Unable to allocate memory "
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1825
				"for the receive descriptor ring\n");
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1826
			goto setup_rx_desc_die;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1827
		}
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1828
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1829
		if (!e1000_check_64k_bound(adapter, rxdr->desc, rxdr->size)) {
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1830
			/* give up */
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1831
			pci_free_consistent(pdev, rxdr->size, rxdr->desc,
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1832
					    rxdr->dma);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1833
			pci_free_consistent(pdev, rxdr->size, olddesc, olddma);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1834
			DPRINTK(PROBE, ERR,
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1835
				"Unable to allocate aligned memory "
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1836
				"for the receive descriptor ring\n");
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1837
			goto setup_rx_desc_die;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1838
		} else {
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1839
			/* Free old allocation, new allocation was successful */
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1840
			pci_free_consistent(pdev, rxdr->size, olddesc, olddma);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1841
		}
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1842
	}
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1843
	memset(rxdr->desc, 0, rxdr->size);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1844
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1845
	rxdr->next_to_clean = 0;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1846
	rxdr->next_to_use = 0;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1847
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1848
	return 0;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1849
}
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1850
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1851
/**
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1852
 * e1000_setup_all_rx_resources - wrapper to allocate Rx resources
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1853
 * 				  (Descriptors) for all queues
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1854
 * @adapter: board private structure
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1855
 *
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1856
 * Return 0 on success, negative on failure
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1857
 **/
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1858
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1859
int
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1860
e1000_setup_all_rx_resources(struct e1000_adapter *adapter)
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1861
{
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1862
	int i, err = 0;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1863
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1864
	for (i = 0; i < adapter->num_rx_queues; i++) {
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1865
		err = e1000_setup_rx_resources(adapter, &adapter->rx_ring[i]);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1866
		if (err) {
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1867
			DPRINTK(PROBE, ERR,
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1868
				"Allocation for Rx Queue %u failed\n", i);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1869
			for (i-- ; i >= 0; i--)
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1870
				e1000_free_rx_resources(adapter,
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1871
							&adapter->rx_ring[i]);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1872
			break;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1873
		}
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1874
	}
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1875
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1876
	return err;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1877
}
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1878
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1879
/**
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1880
 * e1000_setup_rctl - configure the receive control registers
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1881
 * @adapter: Board private structure
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1882
 **/
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1883
#define PAGE_USE_COUNT(S) (((S) >> PAGE_SHIFT) + \
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1884
			(((S) & (PAGE_SIZE - 1)) ? 1 : 0))
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1885
static void
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1886
e1000_setup_rctl(struct e1000_adapter *adapter)
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1887
{
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1888
	uint32_t rctl, rfctl;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1889
	uint32_t psrctl = 0;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1890
#ifndef CONFIG_E1000_DISABLE_PACKET_SPLIT
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1891
	uint32_t pages = 0;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1892
#endif
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1893
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1894
	rctl = E1000_READ_REG(&adapter->hw, RCTL);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1895
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1896
	rctl &= ~(3 << E1000_RCTL_MO_SHIFT);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1897
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1898
	rctl |= E1000_RCTL_EN | E1000_RCTL_BAM |
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1899
		E1000_RCTL_LBM_NO | E1000_RCTL_RDMTS_HALF |
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1900
		(adapter->hw.mc_filter_type << E1000_RCTL_MO_SHIFT);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1901
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1902
	if (adapter->hw.tbi_compatibility_on == 1)
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1903
		rctl |= E1000_RCTL_SBP;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1904
	else
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1905
		rctl &= ~E1000_RCTL_SBP;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1906
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1907
	if (adapter->netdev->mtu <= ETH_DATA_LEN)
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1908
		rctl &= ~E1000_RCTL_LPE;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1909
	else
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1910
		rctl |= E1000_RCTL_LPE;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1911
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1912
	/* Setup buffer sizes */
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1913
	rctl &= ~E1000_RCTL_SZ_4096;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1914
	rctl |= E1000_RCTL_BSEX;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1915
	switch (adapter->rx_buffer_len) {
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1916
		case E1000_RXBUFFER_256:
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1917
			rctl |= E1000_RCTL_SZ_256;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1918
			rctl &= ~E1000_RCTL_BSEX;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1919
			break;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1920
		case E1000_RXBUFFER_512:
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1921
			rctl |= E1000_RCTL_SZ_512;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1922
			rctl &= ~E1000_RCTL_BSEX;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1923
			break;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1924
		case E1000_RXBUFFER_1024:
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1925
			rctl |= E1000_RCTL_SZ_1024;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1926
			rctl &= ~E1000_RCTL_BSEX;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1927
			break;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1928
		case E1000_RXBUFFER_2048:
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1929
		default:
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1930
			rctl |= E1000_RCTL_SZ_2048;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1931
			rctl &= ~E1000_RCTL_BSEX;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1932
			break;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1933
		case E1000_RXBUFFER_4096:
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1934
			rctl |= E1000_RCTL_SZ_4096;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1935
			break;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1936
		case E1000_RXBUFFER_8192:
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1937
			rctl |= E1000_RCTL_SZ_8192;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1938
			break;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1939
		case E1000_RXBUFFER_16384:
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1940
			rctl |= E1000_RCTL_SZ_16384;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1941
			break;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1942
	}
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1943
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1944
#ifndef CONFIG_E1000_DISABLE_PACKET_SPLIT
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1945
	/* 82571 and greater support packet-split where the protocol
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1946
	 * header is placed in skb->data and the packet data is
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1947
	 * placed in pages hanging off of skb_shinfo(skb)->nr_frags.
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1948
	 * In the case of a non-split, skb->data is linearly filled,
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1949
	 * followed by the page buffers.  Therefore, skb->data is
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1950
	 * sized to hold the largest protocol header.
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1951
	 */
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1952
	/* allocations using alloc_page take too long for regular MTU
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1953
	 * so only enable packet split for jumbo frames */
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1954
	pages = PAGE_USE_COUNT(adapter->netdev->mtu);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1955
	if ((adapter->hw.mac_type >= e1000_82571) && (pages <= 3) &&
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1956
	    PAGE_SIZE <= 16384 && (rctl & E1000_RCTL_LPE))
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1957
		adapter->rx_ps_pages = pages;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1958
	else
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1959
		adapter->rx_ps_pages = 0;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1960
#endif
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1961
	if (adapter->rx_ps_pages) {
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1962
		/* Configure extra packet-split registers */
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1963
		rfctl = E1000_READ_REG(&adapter->hw, RFCTL);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1964
		rfctl |= E1000_RFCTL_EXTEN;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1965
		/* disable packet split support for IPv6 extension headers,
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1966
		 * because some malformed IPv6 headers can hang the RX */
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1967
		rfctl |= (E1000_RFCTL_IPV6_EX_DIS |
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1968
		          E1000_RFCTL_NEW_IPV6_EXT_DIS);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1969
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1970
		E1000_WRITE_REG(&adapter->hw, RFCTL, rfctl);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1971
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1972
		rctl |= E1000_RCTL_DTYP_PS;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1973
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1974
		psrctl |= adapter->rx_ps_bsize0 >>
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1975
			E1000_PSRCTL_BSIZE0_SHIFT;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1976
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1977
		switch (adapter->rx_ps_pages) {
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1978
		case 3:
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1979
			psrctl |= PAGE_SIZE <<
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1980
				E1000_PSRCTL_BSIZE3_SHIFT;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1981
		case 2:
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1982
			psrctl |= PAGE_SIZE <<
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1983
				E1000_PSRCTL_BSIZE2_SHIFT;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1984
		case 1:
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1985
			psrctl |= PAGE_SIZE >>
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1986
				E1000_PSRCTL_BSIZE1_SHIFT;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1987
			break;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1988
		}
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1989
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1990
		E1000_WRITE_REG(&adapter->hw, PSRCTL, psrctl);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1991
	}
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1992
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1993
	E1000_WRITE_REG(&adapter->hw, RCTL, rctl);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1994
}
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1995
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1996
/**
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1997
 * e1000_configure_rx - Configure 8254x Receive Unit after Reset
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1998
 * @adapter: board private structure
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1999
 *
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2000
 * Configure the Rx unit of the MAC after a reset.
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2001
 **/
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2002
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2003
static void
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2004
e1000_configure_rx(struct e1000_adapter *adapter)
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2005
{
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2006
	uint64_t rdba;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2007
	struct e1000_hw *hw = &adapter->hw;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2008
	uint32_t rdlen, rctl, rxcsum, ctrl_ext;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2009
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2010
	if (adapter->rx_ps_pages) {
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2011
		/* this is a 32 byte descriptor */
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2012
		rdlen = adapter->rx_ring[0].count *
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2013
			sizeof(union e1000_rx_desc_packet_split);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2014
		adapter->clean_rx = e1000_clean_rx_irq_ps;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2015
		adapter->alloc_rx_buf = e1000_alloc_rx_buffers_ps;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2016
	} else {
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2017
		rdlen = adapter->rx_ring[0].count *
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2018
			sizeof(struct e1000_rx_desc);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2019
		adapter->clean_rx = e1000_clean_rx_irq;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2020
		adapter->alloc_rx_buf = e1000_alloc_rx_buffers;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2021
	}
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2022
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2023
	/* disable receives while setting up the descriptors */
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2024
	rctl = E1000_READ_REG(hw, RCTL);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2025
	E1000_WRITE_REG(hw, RCTL, rctl & ~E1000_RCTL_EN);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2026
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2027
	/* set the Receive Delay Timer Register */
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2028
	E1000_WRITE_REG(hw, RDTR, adapter->rx_int_delay);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2029
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2030
	if (hw->mac_type >= e1000_82540) {
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2031
		E1000_WRITE_REG(hw, RADV, adapter->rx_abs_int_delay);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2032
		if (adapter->itr_setting != 0)
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2033
			E1000_WRITE_REG(hw, ITR,
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2034
				1000000000 / (adapter->itr * 256));
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2035
	}
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2036
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2037
	if (hw->mac_type >= e1000_82571) {
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2038
		ctrl_ext = E1000_READ_REG(hw, CTRL_EXT);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2039
		/* Reset delay timers after every interrupt */
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2040
		ctrl_ext |= E1000_CTRL_EXT_INT_TIMER_CLR;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2041
#ifdef CONFIG_E1000_NAPI
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2042
		/* Auto-Mask interrupts upon ICR access */
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2043
		ctrl_ext |= E1000_CTRL_EXT_IAME;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2044
		E1000_WRITE_REG(hw, IAM, 0xffffffff);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2045
#endif
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2046
		E1000_WRITE_REG(hw, CTRL_EXT, ctrl_ext);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2047
		E1000_WRITE_FLUSH(hw);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2048
	}
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2049
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2050
	/* Setup the HW Rx Head and Tail Descriptor Pointers and
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2051
	 * the Base and Length of the Rx Descriptor Ring */
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2052
	switch (adapter->num_rx_queues) {
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2053
	case 1:
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2054
	default:
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2055
		rdba = adapter->rx_ring[0].dma;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2056
		E1000_WRITE_REG(hw, RDLEN, rdlen);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2057
		E1000_WRITE_REG(hw, RDBAH, (rdba >> 32));
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2058
		E1000_WRITE_REG(hw, RDBAL, (rdba & 0x00000000ffffffffULL));
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2059
		E1000_WRITE_REG(hw, RDT, 0);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2060
		E1000_WRITE_REG(hw, RDH, 0);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2061
		adapter->rx_ring[0].rdh = ((hw->mac_type >= e1000_82543) ? E1000_RDH : E1000_82542_RDH);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2062
		adapter->rx_ring[0].rdt = ((hw->mac_type >= e1000_82543) ? E1000_RDT : E1000_82542_RDT);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2063
		break;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2064
	}
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2065
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2066
	/* Enable 82543 Receive Checksum Offload for TCP and UDP */
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2067
	if (hw->mac_type >= e1000_82543) {
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2068
		rxcsum = E1000_READ_REG(hw, RXCSUM);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2069
		if (adapter->rx_csum == TRUE) {
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2070
			rxcsum |= E1000_RXCSUM_TUOFL;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2071
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2072
			/* Enable 82571 IPv4 payload checksum for UDP fragments
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2073
			 * Must be used in conjunction with packet-split. */
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2074
			if ((hw->mac_type >= e1000_82571) &&
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2075
			    (adapter->rx_ps_pages)) {
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2076
				rxcsum |= E1000_RXCSUM_IPPCSE;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2077
			}
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2078
		} else {
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2079
			rxcsum &= ~E1000_RXCSUM_TUOFL;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2080
			/* don't need to clear IPPCSE as it defaults to 0 */
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2081
		}
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2082
		E1000_WRITE_REG(hw, RXCSUM, rxcsum);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2083
	}
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2084
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2085
	/* enable early receives on 82573, only takes effect if using > 2048
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2086
	 * byte total frame size.  for example only for jumbo frames */
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2087
#define E1000_ERT_2048 0x100
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2088
	if (hw->mac_type == e1000_82573)
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2089
		E1000_WRITE_REG(hw, ERT, E1000_ERT_2048);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2090
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2091
	/* Enable Receives */
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2092
	E1000_WRITE_REG(hw, RCTL, rctl);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2093
}
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2094
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2095
/**
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2096
 * e1000_free_tx_resources - Free Tx Resources per Queue
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2097
 * @adapter: board private structure
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2098
 * @tx_ring: Tx descriptor ring for a specific queue
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2099
 *
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2100
 * Free all transmit software resources
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2101
 **/
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2102
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2103
static void
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2104
e1000_free_tx_resources(struct e1000_adapter *adapter,
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2105
                        struct e1000_tx_ring *tx_ring)
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2106
{
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2107
	struct pci_dev *pdev = adapter->pdev;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2108
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2109
	e1000_clean_tx_ring(adapter, tx_ring);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2110
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2111
	vfree(tx_ring->buffer_info);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2112
	tx_ring->buffer_info = NULL;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2113
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2114
	pci_free_consistent(pdev, tx_ring->size, tx_ring->desc, tx_ring->dma);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2115
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2116
	tx_ring->desc = NULL;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2117
}
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2118
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2119
/**
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2120
 * e1000_free_all_tx_resources - Free Tx Resources for All Queues
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2121
 * @adapter: board private structure
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2122
 *
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2123
 * Free all transmit software resources
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2124
 **/
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2125
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2126
void
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2127
e1000_free_all_tx_resources(struct e1000_adapter *adapter)
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2128
{
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2129
	int i;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2130
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2131
	for (i = 0; i < adapter->num_tx_queues; i++)
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2132
		e1000_free_tx_resources(adapter, &adapter->tx_ring[i]);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2133
}
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2134
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2135
static void
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2136
e1000_unmap_and_free_tx_resource(struct e1000_adapter *adapter,
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2137
			struct e1000_buffer *buffer_info)
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2138
{
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2139
	if (buffer_info->dma) {
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2140
		pci_unmap_page(adapter->pdev,
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2141
				buffer_info->dma,
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2142
				buffer_info->length,
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2143
				PCI_DMA_TODEVICE);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2144
		buffer_info->dma = 0;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2145
	}
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2146
	if (buffer_info->skb) {
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2147
		dev_kfree_skb_any(buffer_info->skb);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2148
		buffer_info->skb = NULL;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2149
	}
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2150
	/* buffer_info must be completely set up in the transmit path */
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2151
}
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2152
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2153
/**
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2154
 * e1000_clean_tx_ring - Free Tx Buffers
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2155
 * @adapter: board private structure
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2156
 * @tx_ring: ring to be cleaned
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2157
 **/
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2158
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2159
static void
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2160
e1000_clean_tx_ring(struct e1000_adapter *adapter,
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2161
                    struct e1000_tx_ring *tx_ring)
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2162
{
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2163
	struct e1000_buffer *buffer_info;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2164
	unsigned long size;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2165
	unsigned int i;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2166
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2167
	/* Free all the Tx ring sk_buffs */
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2168
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2169
	for (i = 0; i < tx_ring->count; i++) {
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2170
		buffer_info = &tx_ring->buffer_info[i];
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2171
		e1000_unmap_and_free_tx_resource(adapter, buffer_info);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2172
	}
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2173
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2174
	size = sizeof(struct e1000_buffer) * tx_ring->count;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2175
	memset(tx_ring->buffer_info, 0, size);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2176
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2177
	/* Zero out the descriptor ring */
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2178
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2179
	memset(tx_ring->desc, 0, tx_ring->size);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2180
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2181
	tx_ring->next_to_use = 0;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2182
	tx_ring->next_to_clean = 0;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2183
	tx_ring->last_tx_tso = 0;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2184
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2185
	writel(0, adapter->hw.hw_addr + tx_ring->tdh);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2186
	writel(0, adapter->hw.hw_addr + tx_ring->tdt);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2187
}
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2188
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2189
/**
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2190
 * e1000_clean_all_tx_rings - Free Tx Buffers for all queues
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2191
 * @adapter: board private structure
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2192
 **/
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2193
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2194
static void
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2195
e1000_clean_all_tx_rings(struct e1000_adapter *adapter)
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2196
{
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2197
	int i;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2198
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2199
	for (i = 0; i < adapter->num_tx_queues; i++)
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2200
		e1000_clean_tx_ring(adapter, &adapter->tx_ring[i]);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2201
}
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2202
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2203
/**
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2204
 * e1000_free_rx_resources - Free Rx Resources
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2205
 * @adapter: board private structure
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2206
 * @rx_ring: ring to clean the resources from
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2207
 *
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2208
 * Free all receive software resources
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2209
 **/
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2210
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2211
static void
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2212
e1000_free_rx_resources(struct e1000_adapter *adapter,
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2213
                        struct e1000_rx_ring *rx_ring)
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2214
{
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2215
	struct pci_dev *pdev = adapter->pdev;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2216
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2217
	e1000_clean_rx_ring(adapter, rx_ring);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2218
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2219
	vfree(rx_ring->buffer_info);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2220
	rx_ring->buffer_info = NULL;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2221
	kfree(rx_ring->ps_page);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2222
	rx_ring->ps_page = NULL;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2223
	kfree(rx_ring->ps_page_dma);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2224
	rx_ring->ps_page_dma = NULL;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2225
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2226
	pci_free_consistent(pdev, rx_ring->size, rx_ring->desc, rx_ring->dma);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2227
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2228
	rx_ring->desc = NULL;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2229
}
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2230
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2231
/**
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2232
 * e1000_free_all_rx_resources - Free Rx Resources for All Queues
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2233
 * @adapter: board private structure
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2234
 *
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2235
 * Free all receive software resources
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2236
 **/
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2237
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2238
void
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2239
e1000_free_all_rx_resources(struct e1000_adapter *adapter)
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2240
{
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2241
	int i;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2242
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2243
	for (i = 0; i < adapter->num_rx_queues; i++)
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2244
		e1000_free_rx_resources(adapter, &adapter->rx_ring[i]);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2245
}
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2246
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2247
/**
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2248
 * e1000_clean_rx_ring - Free Rx Buffers per Queue
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2249
 * @adapter: board private structure
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2250
 * @rx_ring: ring to free buffers from
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2251
 **/
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2252
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2253
static void
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2254
e1000_clean_rx_ring(struct e1000_adapter *adapter,
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2255
                    struct e1000_rx_ring *rx_ring)
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2256
{
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2257
	struct e1000_buffer *buffer_info;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2258
	struct e1000_ps_page *ps_page;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2259
	struct e1000_ps_page_dma *ps_page_dma;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2260
	struct pci_dev *pdev = adapter->pdev;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2261
	unsigned long size;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2262
	unsigned int i, j;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2263
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2264
	/* Free all the Rx ring sk_buffs */
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2265
	for (i = 0; i < rx_ring->count; i++) {
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2266
		buffer_info = &rx_ring->buffer_info[i];
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2267
		if (buffer_info->skb) {
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2268
			pci_unmap_single(pdev,
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2269
					 buffer_info->dma,
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2270
					 buffer_info->length,
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2271
					 PCI_DMA_FROMDEVICE);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2272
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2273
			dev_kfree_skb(buffer_info->skb);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2274
			buffer_info->skb = NULL;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2275
		}
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2276
		ps_page = &rx_ring->ps_page[i];
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2277
		ps_page_dma = &rx_ring->ps_page_dma[i];
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2278
		for (j = 0; j < adapter->rx_ps_pages; j++) {
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2279
			if (!ps_page->ps_page[j]) break;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2280
			pci_unmap_page(pdev,
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2281
				       ps_page_dma->ps_page_dma[j],
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2282
				       PAGE_SIZE, PCI_DMA_FROMDEVICE);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2283
			ps_page_dma->ps_page_dma[j] = 0;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2284
			put_page(ps_page->ps_page[j]);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2285
			ps_page->ps_page[j] = NULL;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2286
		}
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2287
	}
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2288
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2289
	size = sizeof(struct e1000_buffer) * rx_ring->count;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2290
	memset(rx_ring->buffer_info, 0, size);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2291
	size = sizeof(struct e1000_ps_page) * rx_ring->count;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2292
	memset(rx_ring->ps_page, 0, size);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2293
	size = sizeof(struct e1000_ps_page_dma) * rx_ring->count;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2294
	memset(rx_ring->ps_page_dma, 0, size);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2295
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2296
	/* Zero out the descriptor ring */
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2297
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2298
	memset(rx_ring->desc, 0, rx_ring->size);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2299
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2300
	rx_ring->next_to_clean = 0;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2301
	rx_ring->next_to_use = 0;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2302
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2303
	writel(0, adapter->hw.hw_addr + rx_ring->rdh);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2304
	writel(0, adapter->hw.hw_addr + rx_ring->rdt);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2305
}
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2306
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2307
/**
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2308
 * e1000_clean_all_rx_rings - Free Rx Buffers for all queues
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2309
 * @adapter: board private structure
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2310
 **/
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2311
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2312
static void
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2313
e1000_clean_all_rx_rings(struct e1000_adapter *adapter)
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2314
{
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2315
	int i;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2316
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2317
	for (i = 0; i < adapter->num_rx_queues; i++)
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2318
		e1000_clean_rx_ring(adapter, &adapter->rx_ring[i]);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2319
}
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2320
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2321
/* The 82542 2.0 (revision 2) needs to have the receive unit in reset
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2322
 * and memory write and invalidate disabled for certain operations
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2323
 */
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2324
static void
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2325
e1000_enter_82542_rst(struct e1000_adapter *adapter)
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2326
{
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2327
	struct net_device *netdev = adapter->netdev;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2328
	uint32_t rctl;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2329
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2330
	e1000_pci_clear_mwi(&adapter->hw);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2331
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2332
	rctl = E1000_READ_REG(&adapter->hw, RCTL);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2333
	rctl |= E1000_RCTL_RST;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2334
	E1000_WRITE_REG(&adapter->hw, RCTL, rctl);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2335
	E1000_WRITE_FLUSH(&adapter->hw);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2336
	mdelay(5);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2337
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2338
	if (netif_running(netdev))
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2339
		e1000_clean_all_rx_rings(adapter);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2340
}
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2341
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2342
static void
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2343
e1000_leave_82542_rst(struct e1000_adapter *adapter)
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2344
{
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2345
	struct net_device *netdev = adapter->netdev;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2346
	uint32_t rctl;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2347
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2348
	rctl = E1000_READ_REG(&adapter->hw, RCTL);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2349
	rctl &= ~E1000_RCTL_RST;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2350
	E1000_WRITE_REG(&adapter->hw, RCTL, rctl);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2351
	E1000_WRITE_FLUSH(&adapter->hw);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2352
	mdelay(5);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2353
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2354
	if (adapter->hw.pci_cmd_word & PCI_COMMAND_INVALIDATE)
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2355
		e1000_pci_set_mwi(&adapter->hw);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2356
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2357
	if (netif_running(netdev)) {
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2358
		/* No need to loop, because 82542 supports only 1 queue */
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2359
		struct e1000_rx_ring *ring = &adapter->rx_ring[0];
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2360
		e1000_configure_rx(adapter);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2361
		adapter->alloc_rx_buf(adapter, ring, E1000_DESC_UNUSED(ring));
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2362
	}
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2363
}
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2364
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2365
/**
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2366
 * e1000_set_mac - Change the Ethernet Address of the NIC
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2367
 * @netdev: network interface device structure
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2368
 * @p: pointer to an address structure
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2369
 *
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2370
 * Returns 0 on success, negative on failure
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2371
 **/
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2372
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2373
static int
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2374
e1000_set_mac(struct net_device *netdev, void *p)
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2375
{
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2376
	struct e1000_adapter *adapter = netdev_priv(netdev);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2377
	struct sockaddr *addr = p;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2378
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2379
	if (!is_valid_ether_addr(addr->sa_data))
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2380
		return -EADDRNOTAVAIL;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2381
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2382
	/* 82542 2.0 needs to be in reset to write receive address registers */
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2383
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2384
	if (adapter->hw.mac_type == e1000_82542_rev2_0)
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2385
		e1000_enter_82542_rst(adapter);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2386
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2387
	memcpy(netdev->dev_addr, addr->sa_data, netdev->addr_len);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2388
	memcpy(adapter->hw.mac_addr, addr->sa_data, netdev->addr_len);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2389
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2390
	e1000_rar_set(&adapter->hw, adapter->hw.mac_addr, 0);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2391
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2392
	/* With 82571 controllers, LAA may be overwritten (with the default)
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2393
	 * due to controller reset from the other port. */
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2394
	if (adapter->hw.mac_type == e1000_82571) {
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2395
		/* activate the work around */
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2396
		adapter->hw.laa_is_present = 1;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2397
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2398
		/* Hold a copy of the LAA in RAR[14] This is done so that
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2399
		 * between the time RAR[0] gets clobbered  and the time it
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2400
		 * gets fixed (in e1000_watchdog), the actual LAA is in one
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2401
		 * of the RARs and no incoming packets directed to this port
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2402
		 * are dropped. Eventaully the LAA will be in RAR[0] and
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2403
		 * RAR[14] */
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2404
		e1000_rar_set(&adapter->hw, adapter->hw.mac_addr,
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2405
					E1000_RAR_ENTRIES - 1);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2406
	}
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2407
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2408
	if (adapter->hw.mac_type == e1000_82542_rev2_0)
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2409
		e1000_leave_82542_rst(adapter);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2410
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2411
	return 0;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2412
}
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2413
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2414
/**
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2415
 * e1000_set_multi - Multicast and Promiscuous mode set
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2416
 * @netdev: network interface device structure
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2417
 *
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2418
 * The set_multi entry point is called whenever the multicast address
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2419
 * list or the network interface flags are updated.  This routine is
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2420
 * responsible for configuring the hardware for proper multicast,
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2421
 * promiscuous mode, and all-multi behavior.
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2422
 **/
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2423
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2424
static void
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2425
e1000_set_multi(struct net_device *netdev)
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2426
{
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2427
	struct e1000_adapter *adapter = netdev_priv(netdev);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2428
	struct e1000_hw *hw = &adapter->hw;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2429
	struct dev_mc_list *mc_ptr;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2430
	uint32_t rctl;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2431
	uint32_t hash_value;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2432
	int i, rar_entries = E1000_RAR_ENTRIES;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2433
	int mta_reg_count = (hw->mac_type == e1000_ich8lan) ?
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2434
				E1000_NUM_MTA_REGISTERS_ICH8LAN :
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2435
				E1000_NUM_MTA_REGISTERS;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2436
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2437
	if (adapter->hw.mac_type == e1000_ich8lan)
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2438
		rar_entries = E1000_RAR_ENTRIES_ICH8LAN;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2439
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2440
	/* reserve RAR[14] for LAA over-write work-around */
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2441
	if (adapter->hw.mac_type == e1000_82571)
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2442
		rar_entries--;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2443
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2444
	/* Check for Promiscuous and All Multicast modes */
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2445
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2446
	rctl = E1000_READ_REG(hw, RCTL);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2447
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2448
	if (netdev->flags & IFF_PROMISC) {
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2449
		rctl |= (E1000_RCTL_UPE | E1000_RCTL_MPE);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2450
	} else if (netdev->flags & IFF_ALLMULTI) {
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2451
		rctl |= E1000_RCTL_MPE;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2452
		rctl &= ~E1000_RCTL_UPE;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2453
	} else {
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2454
		rctl &= ~(E1000_RCTL_UPE | E1000_RCTL_MPE);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2455
	}
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2456
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2457
	E1000_WRITE_REG(hw, RCTL, rctl);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2458
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2459
	/* 82542 2.0 needs to be in reset to write receive address registers */
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2460
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2461
	if (hw->mac_type == e1000_82542_rev2_0)
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2462
		e1000_enter_82542_rst(adapter);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2463
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2464
	/* load the first 14 multicast address into the exact filters 1-14
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2465
	 * RAR 0 is used for the station MAC adddress
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2466
	 * if there are not 14 addresses, go ahead and clear the filters
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2467
	 * -- with 82571 controllers only 0-13 entries are filled here
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2468
	 */
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2469
	mc_ptr = netdev->mc_list;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2470
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2471
	for (i = 1; i < rar_entries; i++) {
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2472
		if (mc_ptr) {
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2473
			e1000_rar_set(hw, mc_ptr->dmi_addr, i);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2474
			mc_ptr = mc_ptr->next;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2475
		} else {
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2476
			E1000_WRITE_REG_ARRAY(hw, RA, i << 1, 0);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2477
			E1000_WRITE_FLUSH(hw);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2478
			E1000_WRITE_REG_ARRAY(hw, RA, (i << 1) + 1, 0);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2479
			E1000_WRITE_FLUSH(hw);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2480
		}
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2481
	}
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2482
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2483
	/* clear the old settings from the multicast hash table */
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2484
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2485
	for (i = 0; i < mta_reg_count; i++) {
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2486
		E1000_WRITE_REG_ARRAY(hw, MTA, i, 0);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2487
		E1000_WRITE_FLUSH(hw);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2488
	}
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2489
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2490
	/* load any remaining addresses into the hash table */
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2491
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2492
	for (; mc_ptr; mc_ptr = mc_ptr->next) {
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2493
		hash_value = e1000_hash_mc_addr(hw, mc_ptr->dmi_addr);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2494
		e1000_mta_set(hw, hash_value);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2495
	}
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2496
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2497
	if (hw->mac_type == e1000_82542_rev2_0)
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2498
		e1000_leave_82542_rst(adapter);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2499
}
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2500
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2501
/* Need to wait a few seconds after link up to get diagnostic information from
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2502
 * the phy */
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2503
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2504
static void
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2505
e1000_update_phy_info(unsigned long data)
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2506
{
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2507
	struct e1000_adapter *adapter = (struct e1000_adapter *) data;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2508
	e1000_phy_get_info(&adapter->hw, &adapter->phy_info);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2509
}
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2510
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2511
/**
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2512
 * e1000_82547_tx_fifo_stall - Timer Call-back
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2513
 * @data: pointer to adapter cast into an unsigned long
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2514
 **/
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2515
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2516
static void
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2517
e1000_82547_tx_fifo_stall(unsigned long data)
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2518
{
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2519
	struct e1000_adapter *adapter = (struct e1000_adapter *) data;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2520
	struct net_device *netdev = adapter->netdev;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2521
	uint32_t tctl;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2522
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2523
	if (atomic_read(&adapter->tx_fifo_stall)) {
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2524
		if ((E1000_READ_REG(&adapter->hw, TDT) ==
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2525
		    E1000_READ_REG(&adapter->hw, TDH)) &&
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2526
		   (E1000_READ_REG(&adapter->hw, TDFT) ==
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2527
		    E1000_READ_REG(&adapter->hw, TDFH)) &&
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2528
		   (E1000_READ_REG(&adapter->hw, TDFTS) ==
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2529
		    E1000_READ_REG(&adapter->hw, TDFHS))) {
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2530
			tctl = E1000_READ_REG(&adapter->hw, TCTL);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2531
			E1000_WRITE_REG(&adapter->hw, TCTL,
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2532
					tctl & ~E1000_TCTL_EN);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2533
			E1000_WRITE_REG(&adapter->hw, TDFT,
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2534
					adapter->tx_head_addr);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2535
			E1000_WRITE_REG(&adapter->hw, TDFH,
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2536
					adapter->tx_head_addr);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2537
			E1000_WRITE_REG(&adapter->hw, TDFTS,
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2538
					adapter->tx_head_addr);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2539
			E1000_WRITE_REG(&adapter->hw, TDFHS,
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2540
					adapter->tx_head_addr);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2541
			E1000_WRITE_REG(&adapter->hw, TCTL, tctl);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2542
			E1000_WRITE_FLUSH(&adapter->hw);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2543
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2544
			adapter->tx_fifo_head = 0;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2545
			atomic_set(&adapter->tx_fifo_stall, 0);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2546
			netif_wake_queue(netdev);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2547
		} else {
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2548
			mod_timer(&adapter->tx_fifo_stall_timer, jiffies + 1);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2549
		}
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2550
	}
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2551
}
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2552
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2553
/**
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2554
 * e1000_watchdog - Timer Call-back
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2555
 * @data: pointer to adapter cast into an unsigned long
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2556
 **/
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2557
static void
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2558
e1000_watchdog(unsigned long data)
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2559
{
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2560
	struct e1000_adapter *adapter = (struct e1000_adapter *) data;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2561
	struct net_device *netdev = adapter->netdev;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2562
	struct e1000_tx_ring *txdr = adapter->tx_ring;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2563
	uint32_t link, tctl;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2564
	int32_t ret_val;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2565
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2566
	ret_val = e1000_check_for_link(&adapter->hw);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2567
	if ((ret_val == E1000_ERR_PHY) &&
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2568
	    (adapter->hw.phy_type == e1000_phy_igp_3) &&
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2569
	    (E1000_READ_REG(&adapter->hw, CTRL) & E1000_PHY_CTRL_GBE_DISABLE)) {
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2570
		/* See e1000_kumeran_lock_loss_workaround() */
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2571
		DPRINTK(LINK, INFO,
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2572
			"Gigabit has been disabled, downgrading speed\n");
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2573
	}
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2574
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2575
	if (adapter->hw.mac_type == e1000_82573) {
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2576
		e1000_enable_tx_pkt_filtering(&adapter->hw);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2577
		if (adapter->mng_vlan_id != adapter->hw.mng_cookie.vlan_id)
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2578
			e1000_update_mng_vlan(adapter);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2579
	}
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2580
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2581
	if ((adapter->hw.media_type == e1000_media_type_internal_serdes) &&
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2582
	   !(E1000_READ_REG(&adapter->hw, TXCW) & E1000_TXCW_ANE))
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2583
		link = !adapter->hw.serdes_link_down;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2584
	else
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2585
		link = E1000_READ_REG(&adapter->hw, STATUS) & E1000_STATUS_LU;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2586
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2587
	if (link) {
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2588
		if (!netif_carrier_ok(netdev)) {
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2589
			uint32_t ctrl;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2590
			boolean_t txb2b = 1;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2591
			e1000_get_speed_and_duplex(&adapter->hw,
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2592
			                           &adapter->link_speed,
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2593
			                           &adapter->link_duplex);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2594
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2595
			ctrl = E1000_READ_REG(&adapter->hw, CTRL);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2596
			DPRINTK(LINK, INFO, "NIC Link is Up %d Mbps %s, "
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2597
			        "Flow Control: %s\n",
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2598
			        adapter->link_speed,
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2599
			        adapter->link_duplex == FULL_DUPLEX ?
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2600
			        "Full Duplex" : "Half Duplex",
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2601
			        ((ctrl & E1000_CTRL_TFCE) && (ctrl &
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2602
			        E1000_CTRL_RFCE)) ? "RX/TX" : ((ctrl &
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2603
			        E1000_CTRL_RFCE) ? "RX" : ((ctrl &
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2604
			        E1000_CTRL_TFCE) ? "TX" : "None" )));
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2605
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2606
			/* tweak tx_queue_len according to speed/duplex
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2607
			 * and adjust the timeout factor */
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2608
			netdev->tx_queue_len = adapter->tx_queue_len;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2609
			adapter->tx_timeout_factor = 1;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2610
			switch (adapter->link_speed) {
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2611
			case SPEED_10:
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2612
				txb2b = 0;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2613
				netdev->tx_queue_len = 10;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2614
				adapter->tx_timeout_factor = 8;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2615
				break;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2616
			case SPEED_100:
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2617
				txb2b = 0;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2618
				netdev->tx_queue_len = 100;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2619
				/* maybe add some timeout factor ? */
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2620
				break;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2621
			}
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2622
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2623
			if ((adapter->hw.mac_type == e1000_82571 ||
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2624
			     adapter->hw.mac_type == e1000_82572) &&
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2625
			    txb2b == 0) {
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2626
				uint32_t tarc0;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2627
				tarc0 = E1000_READ_REG(&adapter->hw, TARC0);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2628
				tarc0 &= ~(1 << 21);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2629
				E1000_WRITE_REG(&adapter->hw, TARC0, tarc0);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2630
			}
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2631
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2632
			/* disable TSO for pcie and 10/100 speeds, to avoid
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2633
			 * some hardware issues */
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2634
			if (!adapter->tso_force &&
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2635
			    adapter->hw.bus_type == e1000_bus_type_pci_express){
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2636
				switch (adapter->link_speed) {
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2637
				case SPEED_10:
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2638
				case SPEED_100:
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2639
					DPRINTK(PROBE,INFO,
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2640
				        "10/100 speed: disabling TSO\n");
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2641
					netdev->features &= ~NETIF_F_TSO;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2642
					netdev->features &= ~NETIF_F_TSO6;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2643
					break;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2644
				case SPEED_1000:
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2645
					netdev->features |= NETIF_F_TSO;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2646
					netdev->features |= NETIF_F_TSO6;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2647
					break;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2648
				default:
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2649
					/* oops */
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2650
					break;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2651
				}
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2652
			}
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2653
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2654
			/* enable transmits in the hardware, need to do this
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2655
			 * after setting TARC0 */
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2656
			tctl = E1000_READ_REG(&adapter->hw, TCTL);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2657
			tctl |= E1000_TCTL_EN;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2658
			E1000_WRITE_REG(&adapter->hw, TCTL, tctl);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2659
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2660
			netif_carrier_on(netdev);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2661
			netif_wake_queue(netdev);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2662
			mod_timer(&adapter->phy_info_timer, round_jiffies(jiffies + 2 * HZ));
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2663
			adapter->smartspeed = 0;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2664
		} else {
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2665
			/* make sure the receive unit is started */
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2666
			if (adapter->hw.rx_needs_kicking) {
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2667
				struct e1000_hw *hw = &adapter->hw;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2668
				uint32_t rctl = E1000_READ_REG(hw, RCTL);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2669
				E1000_WRITE_REG(hw, RCTL, rctl | E1000_RCTL_EN);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2670
			}
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2671
		}
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2672
	} else {
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2673
		if (netif_carrier_ok(netdev)) {
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2674
			adapter->link_speed = 0;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2675
			adapter->link_duplex = 0;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2676
			DPRINTK(LINK, INFO, "NIC Link is Down\n");
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2677
			netif_carrier_off(netdev);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2678
			netif_stop_queue(netdev);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2679
			mod_timer(&adapter->phy_info_timer, round_jiffies(jiffies + 2 * HZ));
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2680
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2681
			/* 80003ES2LAN workaround--
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2682
			 * For packet buffer work-around on link down event;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2683
			 * disable receives in the ISR and
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2684
			 * reset device here in the watchdog
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2685
			 */
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2686
			if (adapter->hw.mac_type == e1000_80003es2lan)
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2687
				/* reset device */
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2688
				schedule_work(&adapter->reset_task);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2689
		}
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2690
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2691
		e1000_smartspeed(adapter);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2692
	}
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2693
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2694
	e1000_update_stats(adapter);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2695
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2696
	adapter->hw.tx_packet_delta = adapter->stats.tpt - adapter->tpt_old;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2697
	adapter->tpt_old = adapter->stats.tpt;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2698
	adapter->hw.collision_delta = adapter->stats.colc - adapter->colc_old;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2699
	adapter->colc_old = adapter->stats.colc;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2700
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2701
	adapter->gorcl = adapter->stats.gorcl - adapter->gorcl_old;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2702
	adapter->gorcl_old = adapter->stats.gorcl;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2703
	adapter->gotcl = adapter->stats.gotcl - adapter->gotcl_old;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2704
	adapter->gotcl_old = adapter->stats.gotcl;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2705
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2706
	e1000_update_adaptive(&adapter->hw);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2707
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2708
	if (!netif_carrier_ok(netdev)) {
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2709
		if (E1000_DESC_UNUSED(txdr) + 1 < txdr->count) {
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2710
			/* We've lost link, so the controller stops DMA,
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2711
			 * but we've got queued Tx work that's never going
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2712
			 * to get done, so reset controller to flush Tx.
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2713
			 * (Do the reset outside of interrupt context). */
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2714
			adapter->tx_timeout_count++;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2715
			schedule_work(&adapter->reset_task);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2716
		}
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2717
	}
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2718
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2719
	/* Cause software interrupt to ensure rx ring is cleaned */
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2720
	E1000_WRITE_REG(&adapter->hw, ICS, E1000_ICS_RXDMT0);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2721
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2722
	/* Force detection of hung controller every watchdog period */
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2723
	adapter->detect_tx_hung = TRUE;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2724
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2725
	/* With 82571 controllers, LAA may be overwritten due to controller
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2726
	 * reset from the other port. Set the appropriate LAA in RAR[0] */
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2727
	if (adapter->hw.mac_type == e1000_82571 && adapter->hw.laa_is_present)
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2728
		e1000_rar_set(&adapter->hw, adapter->hw.mac_addr, 0);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2729
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2730
	/* Reset the timer */
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2731
	mod_timer(&adapter->watchdog_timer, round_jiffies(jiffies + 2 * HZ));
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2732
}
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2733
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2734
enum latency_range {
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2735
	lowest_latency = 0,
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2736
	low_latency = 1,
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2737
	bulk_latency = 2,
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2738
	latency_invalid = 255
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2739
};
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2740
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2741
/**
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2742
 * e1000_update_itr - update the dynamic ITR value based on statistics
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2743
 *      Stores a new ITR value based on packets and byte
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2744
 *      counts during the last interrupt.  The advantage of per interrupt
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2745
 *      computation is faster updates and more accurate ITR for the current
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2746
 *      traffic pattern.  Constants in this function were computed
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2747
 *      based on theoretical maximum wire speed and thresholds were set based
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2748
 *      on testing data as well as attempting to minimize response time
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2749
 *      while increasing bulk throughput.
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2750
 *      this functionality is controlled by the InterruptThrottleRate module
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2751
 *      parameter (see e1000_param.c)
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2752
 * @adapter: pointer to adapter
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2753
 * @itr_setting: current adapter->itr
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2754
 * @packets: the number of packets during this measurement interval
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2755
 * @bytes: the number of bytes during this measurement interval
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2756
 **/
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2757
static unsigned int e1000_update_itr(struct e1000_adapter *adapter,
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2758
                                   uint16_t itr_setting,
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2759
                                   int packets,
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2760
                                   int bytes)
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2761
{
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2762
	unsigned int retval = itr_setting;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2763
	struct e1000_hw *hw = &adapter->hw;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2764
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2765
	if (unlikely(hw->mac_type < e1000_82540))
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2766
		goto update_itr_done;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2767
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2768
	if (packets == 0)
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2769
		goto update_itr_done;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2770
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2771
	switch (itr_setting) {
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2772
	case lowest_latency:
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2773
		/* jumbo frames get bulk treatment*/
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2774
		if (bytes/packets > 8000)
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2775
			retval = bulk_latency;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2776
		else if ((packets < 5) && (bytes > 512))
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2777
			retval = low_latency;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2778
		break;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2779
	case low_latency:  /* 50 usec aka 20000 ints/s */
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2780
		if (bytes > 10000) {
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2781
			/* jumbo frames need bulk latency setting */
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2782
			if (bytes/packets > 8000)
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2783
				retval = bulk_latency;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2784
			else if ((packets < 10) || ((bytes/packets) > 1200))
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2785
				retval = bulk_latency;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2786
			else if ((packets > 35))
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2787
				retval = lowest_latency;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2788
		} else if (bytes/packets > 2000)
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2789
			retval = bulk_latency;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2790
		else if (packets <= 2 && bytes < 512)
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2791
			retval = lowest_latency;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2792
		break;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2793
	case bulk_latency: /* 250 usec aka 4000 ints/s */
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2794
		if (bytes > 25000) {
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2795
			if (packets > 35)
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2796
				retval = low_latency;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2797
		} else if (bytes < 6000) {
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2798
			retval = low_latency;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2799
		}
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2800
		break;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2801
	}
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2802
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2803
update_itr_done:
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2804
	return retval;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2805
}
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2806
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2807
static void e1000_set_itr(struct e1000_adapter *adapter)
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2808
{
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2809
	struct e1000_hw *hw = &adapter->hw;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2810
	uint16_t current_itr;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2811
	uint32_t new_itr = adapter->itr;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2812
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2813
	if (unlikely(hw->mac_type < e1000_82540))
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2814
		return;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2815
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2816
	/* for non-gigabit speeds, just fix the interrupt rate at 4000 */
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2817
	if (unlikely(adapter->link_speed != SPEED_1000)) {
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2818
		current_itr = 0;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2819
		new_itr = 4000;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2820
		goto set_itr_now;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2821
	}
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2822
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2823
	adapter->tx_itr = e1000_update_itr(adapter,
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2824
	                            adapter->tx_itr,
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2825
	                            adapter->total_tx_packets,
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2826
	                            adapter->total_tx_bytes);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2827
	/* conservative mode (itr 3) eliminates the lowest_latency setting */
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2828
	if (adapter->itr_setting == 3 && adapter->tx_itr == lowest_latency)
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2829
		adapter->tx_itr = low_latency;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2830
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2831
	adapter->rx_itr = e1000_update_itr(adapter,
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2832
	                            adapter->rx_itr,
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2833
	                            adapter->total_rx_packets,
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2834
	                            adapter->total_rx_bytes);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2835
	/* conservative mode (itr 3) eliminates the lowest_latency setting */
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2836
	if (adapter->itr_setting == 3 && adapter->rx_itr == lowest_latency)
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2837
		adapter->rx_itr = low_latency;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2838
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2839
	current_itr = max(adapter->rx_itr, adapter->tx_itr);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2840
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2841
	switch (current_itr) {
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2842
	/* counts and packets in update_itr are dependent on these numbers */
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2843
	case lowest_latency:
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2844
		new_itr = 70000;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2845
		break;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2846
	case low_latency:
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2847
		new_itr = 20000; /* aka hwitr = ~200 */
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2848
		break;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2849
	case bulk_latency:
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2850
		new_itr = 4000;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2851
		break;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2852
	default:
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2853
		break;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2854
	}
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2855
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2856
set_itr_now:
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2857
	if (new_itr != adapter->itr) {
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2858
		/* this attempts to bias the interrupt rate towards Bulk
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2859
		 * by adding intermediate steps when interrupt rate is
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2860
		 * increasing */
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2861
		new_itr = new_itr > adapter->itr ?
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2862
		             min(adapter->itr + (new_itr >> 2), new_itr) :
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2863
		             new_itr;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2864
		adapter->itr = new_itr;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2865
		E1000_WRITE_REG(hw, ITR, 1000000000 / (new_itr * 256));
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2866
	}
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2867
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2868
	return;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2869
}
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2870
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2871
#define E1000_TX_FLAGS_CSUM		0x00000001
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2872
#define E1000_TX_FLAGS_VLAN		0x00000002
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2873
#define E1000_TX_FLAGS_TSO		0x00000004
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2874
#define E1000_TX_FLAGS_IPV4		0x00000008
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2875
#define E1000_TX_FLAGS_VLAN_MASK	0xffff0000
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2876
#define E1000_TX_FLAGS_VLAN_SHIFT	16
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2877
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2878
static int
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2879
e1000_tso(struct e1000_adapter *adapter, struct e1000_tx_ring *tx_ring,
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2880
          struct sk_buff *skb)
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2881
{
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2882
	struct e1000_context_desc *context_desc;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2883
	struct e1000_buffer *buffer_info;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2884
	unsigned int i;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2885
	uint32_t cmd_length = 0;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2886
	uint16_t ipcse = 0, tucse, mss;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2887
	uint8_t ipcss, ipcso, tucss, tucso, hdr_len;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2888
	int err;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2889
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2890
	if (skb_is_gso(skb)) {
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2891
		if (skb_header_cloned(skb)) {
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2892
			err = pskb_expand_head(skb, 0, 0, GFP_ATOMIC);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2893
			if (err)
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2894
				return err;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2895
		}
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2896
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2897
		hdr_len = skb_transport_offset(skb) + tcp_hdrlen(skb);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2898
		mss = skb_shinfo(skb)->gso_size;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2899
		if (skb->protocol == htons(ETH_P_IP)) {
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2900
			struct iphdr *iph = ip_hdr(skb);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2901
			iph->tot_len = 0;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2902
			iph->check = 0;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2903
			tcp_hdr(skb)->check = ~csum_tcpudp_magic(iph->saddr,
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2904
								 iph->daddr, 0,
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2905
								 IPPROTO_TCP,
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2906
								 0);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2907
			cmd_length = E1000_TXD_CMD_IP;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2908
			ipcse = skb_transport_offset(skb) - 1;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2909
		} else if (skb->protocol == htons(ETH_P_IPV6)) {
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2910
			ipv6_hdr(skb)->payload_len = 0;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2911
			tcp_hdr(skb)->check =
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2912
				~csum_ipv6_magic(&ipv6_hdr(skb)->saddr,
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2913
						 &ipv6_hdr(skb)->daddr,
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2914
						 0, IPPROTO_TCP, 0);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2915
			ipcse = 0;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2916
		}
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2917
		ipcss = skb_network_offset(skb);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2918
		ipcso = (void *)&(ip_hdr(skb)->check) - (void *)skb->data;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2919
		tucss = skb_transport_offset(skb);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2920
		tucso = (void *)&(tcp_hdr(skb)->check) - (void *)skb->data;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2921
		tucse = 0;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2922
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2923
		cmd_length |= (E1000_TXD_CMD_DEXT | E1000_TXD_CMD_TSE |
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2924
			       E1000_TXD_CMD_TCP | (skb->len - (hdr_len)));
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2925
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2926
		i = tx_ring->next_to_use;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2927
		context_desc = E1000_CONTEXT_DESC(*tx_ring, i);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2928
		buffer_info = &tx_ring->buffer_info[i];
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2929
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2930
		context_desc->lower_setup.ip_fields.ipcss  = ipcss;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2931
		context_desc->lower_setup.ip_fields.ipcso  = ipcso;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2932
		context_desc->lower_setup.ip_fields.ipcse  = cpu_to_le16(ipcse);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2933
		context_desc->upper_setup.tcp_fields.tucss = tucss;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2934
		context_desc->upper_setup.tcp_fields.tucso = tucso;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2935
		context_desc->upper_setup.tcp_fields.tucse = cpu_to_le16(tucse);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2936
		context_desc->tcp_seg_setup.fields.mss     = cpu_to_le16(mss);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2937
		context_desc->tcp_seg_setup.fields.hdr_len = hdr_len;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2938
		context_desc->cmd_and_length = cpu_to_le32(cmd_length);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2939
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2940
		buffer_info->time_stamp = jiffies;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2941
		buffer_info->next_to_watch = i;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2942
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2943
		if (++i == tx_ring->count) i = 0;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2944
		tx_ring->next_to_use = i;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2945
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2946
		return TRUE;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2947
	}
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2948
	return FALSE;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2949
}
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2950
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2951
static boolean_t
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2952
e1000_tx_csum(struct e1000_adapter *adapter, struct e1000_tx_ring *tx_ring,
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2953
              struct sk_buff *skb)
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2954
{
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2955
	struct e1000_context_desc *context_desc;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2956
	struct e1000_buffer *buffer_info;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2957
	unsigned int i;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2958
	uint8_t css;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2959
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2960
	if (likely(skb->ip_summed == CHECKSUM_PARTIAL)) {
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2961
		css = skb_transport_offset(skb);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2962
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2963
		i = tx_ring->next_to_use;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2964
		buffer_info = &tx_ring->buffer_info[i];
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2965
		context_desc = E1000_CONTEXT_DESC(*tx_ring, i);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2966
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2967
		context_desc->lower_setup.ip_config = 0;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2968
		context_desc->upper_setup.tcp_fields.tucss = css;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2969
		context_desc->upper_setup.tcp_fields.tucso =
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2970
			css + skb->csum_offset;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2971
		context_desc->upper_setup.tcp_fields.tucse = 0;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2972
		context_desc->tcp_seg_setup.data = 0;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2973
		context_desc->cmd_and_length = cpu_to_le32(E1000_TXD_CMD_DEXT);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2974
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2975
		buffer_info->time_stamp = jiffies;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2976
		buffer_info->next_to_watch = i;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2977
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2978
		if (unlikely(++i == tx_ring->count)) i = 0;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2979
		tx_ring->next_to_use = i;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2980
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2981
		return TRUE;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2982
	}
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2983
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2984
	return FALSE;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2985
}
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2986
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2987
#define E1000_MAX_TXD_PWR	12
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2988
#define E1000_MAX_DATA_PER_TXD	(1<<E1000_MAX_TXD_PWR)
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2989
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2990
static int
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2991
e1000_tx_map(struct e1000_adapter *adapter, struct e1000_tx_ring *tx_ring,
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2992
             struct sk_buff *skb, unsigned int first, unsigned int max_per_txd,
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2993
             unsigned int nr_frags, unsigned int mss)
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2994
{
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2995
	struct e1000_buffer *buffer_info;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2996
	unsigned int len = skb->len;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2997
	unsigned int offset = 0, size, count = 0, i;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2998
	unsigned int f;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2999
	len -= skb->data_len;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3000
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3001
	i = tx_ring->next_to_use;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3002
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3003
	while (len) {
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3004
		buffer_info = &tx_ring->buffer_info[i];
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3005
		size = min(len, max_per_txd);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3006
		/* Workaround for Controller erratum --
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3007
		 * descriptor for non-tso packet in a linear SKB that follows a
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3008
		 * tso gets written back prematurely before the data is fully
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3009
		 * DMA'd to the controller */
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3010
		if (!skb->data_len && tx_ring->last_tx_tso &&
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3011
		    !skb_is_gso(skb)) {
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3012
			tx_ring->last_tx_tso = 0;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3013
			size -= 4;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3014
		}
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3015
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3016
		/* Workaround for premature desc write-backs
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3017
		 * in TSO mode.  Append 4-byte sentinel desc */
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3018
		if (unlikely(mss && !nr_frags && size == len && size > 8))
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3019
			size -= 4;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3020
		/* work-around for errata 10 and it applies
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3021
		 * to all controllers in PCI-X mode
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3022
		 * The fix is to make sure that the first descriptor of a
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3023
		 * packet is smaller than 2048 - 16 - 16 (or 2016) bytes
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3024
		 */
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3025
		if (unlikely((adapter->hw.bus_type == e1000_bus_type_pcix) &&
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3026
		                (size > 2015) && count == 0))
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3027
		        size = 2015;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3028
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3029
		/* Workaround for potential 82544 hang in PCI-X.  Avoid
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3030
		 * terminating buffers within evenly-aligned dwords. */
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3031
		if (unlikely(adapter->pcix_82544 &&
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3032
		   !((unsigned long)(skb->data + offset + size - 1) & 4) &&
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3033
		   size > 4))
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3034
			size -= 4;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3035
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3036
		buffer_info->length = size;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3037
		buffer_info->dma =
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3038
			pci_map_single(adapter->pdev,
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3039
				skb->data + offset,
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3040
				size,
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3041
				PCI_DMA_TODEVICE);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3042
		buffer_info->time_stamp = jiffies;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3043
		buffer_info->next_to_watch = i;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3044
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3045
		len -= size;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3046
		offset += size;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3047
		count++;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3048
		if (unlikely(++i == tx_ring->count)) i = 0;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3049
	}
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3050
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3051
	for (f = 0; f < nr_frags; f++) {
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3052
		struct skb_frag_struct *frag;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3053
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3054
		frag = &skb_shinfo(skb)->frags[f];
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3055
		len = frag->size;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3056
		offset = frag->page_offset;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3057
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3058
		while (len) {
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3059
			buffer_info = &tx_ring->buffer_info[i];
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3060
			size = min(len, max_per_txd);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3061
			/* Workaround for premature desc write-backs
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3062
			 * in TSO mode.  Append 4-byte sentinel desc */
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3063
			if (unlikely(mss && f == (nr_frags-1) && size == len && size > 8))
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3064
				size -= 4;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3065
			/* Workaround for potential 82544 hang in PCI-X.
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3066
			 * Avoid terminating buffers within evenly-aligned
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3067
			 * dwords. */
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3068
			if (unlikely(adapter->pcix_82544 &&
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3069
			   !((unsigned long)(frag->page+offset+size-1) & 4) &&
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3070
			   size > 4))
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3071
				size -= 4;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3072
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3073
			buffer_info->length = size;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3074
			buffer_info->dma =
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3075
				pci_map_page(adapter->pdev,
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3076
					frag->page,
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3077
					offset,
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3078
					size,
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3079
					PCI_DMA_TODEVICE);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3080
			buffer_info->time_stamp = jiffies;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3081
			buffer_info->next_to_watch = i;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3082
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3083
			len -= size;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3084
			offset += size;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3085
			count++;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3086
			if (unlikely(++i == tx_ring->count)) i = 0;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3087
		}
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3088
	}
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3089
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3090
	i = (i == 0) ? tx_ring->count - 1 : i - 1;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3091
	tx_ring->buffer_info[i].skb = skb;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3092
	tx_ring->buffer_info[first].next_to_watch = i;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3093
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3094
	return count;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3095
}
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3096
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3097
static void
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3098
e1000_tx_queue(struct e1000_adapter *adapter, struct e1000_tx_ring *tx_ring,
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3099
               int tx_flags, int count)
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3100
{
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3101
	struct e1000_tx_desc *tx_desc = NULL;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3102
	struct e1000_buffer *buffer_info;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3103
	uint32_t txd_upper = 0, txd_lower = E1000_TXD_CMD_IFCS;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3104
	unsigned int i;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3105
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3106
	if (likely(tx_flags & E1000_TX_FLAGS_TSO)) {
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3107
		txd_lower |= E1000_TXD_CMD_DEXT | E1000_TXD_DTYP_D |
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3108
		             E1000_TXD_CMD_TSE;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3109
		txd_upper |= E1000_TXD_POPTS_TXSM << 8;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3110
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3111
		if (likely(tx_flags & E1000_TX_FLAGS_IPV4))
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3112
			txd_upper |= E1000_TXD_POPTS_IXSM << 8;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3113
	}
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3114
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3115
	if (likely(tx_flags & E1000_TX_FLAGS_CSUM)) {
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3116
		txd_lower |= E1000_TXD_CMD_DEXT | E1000_TXD_DTYP_D;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3117
		txd_upper |= E1000_TXD_POPTS_TXSM << 8;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3118
	}
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3119
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3120
	if (unlikely(tx_flags & E1000_TX_FLAGS_VLAN)) {
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3121
		txd_lower |= E1000_TXD_CMD_VLE;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3122
		txd_upper |= (tx_flags & E1000_TX_FLAGS_VLAN_MASK);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3123
	}
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3124
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3125
	i = tx_ring->next_to_use;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3126
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3127
	while (count--) {
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3128
		buffer_info = &tx_ring->buffer_info[i];
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3129
		tx_desc = E1000_TX_DESC(*tx_ring, i);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3130
		tx_desc->buffer_addr = cpu_to_le64(buffer_info->dma);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3131
		tx_desc->lower.data =
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3132
			cpu_to_le32(txd_lower | buffer_info->length);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3133
		tx_desc->upper.data = cpu_to_le32(txd_upper);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3134
		if (unlikely(++i == tx_ring->count)) i = 0;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3135
	}
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3136
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3137
	tx_desc->lower.data |= cpu_to_le32(adapter->txd_cmd);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3138
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3139
	/* Force memory writes to complete before letting h/w
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3140
	 * know there are new descriptors to fetch.  (Only
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3141
	 * applicable for weak-ordered memory model archs,
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3142
	 * such as IA-64). */
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3143
	wmb();
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3144
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3145
	tx_ring->next_to_use = i;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3146
	writel(i, adapter->hw.hw_addr + tx_ring->tdt);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3147
	/* we need this if more than one processor can write to our tail
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3148
	 * at a time, it syncronizes IO on IA64/Altix systems */
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3149
	mmiowb();
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3150
}
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3151
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3152
/**
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3153
 * 82547 workaround to avoid controller hang in half-duplex environment.
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3154
 * The workaround is to avoid queuing a large packet that would span
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3155
 * the internal Tx FIFO ring boundary by notifying the stack to resend
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3156
 * the packet at a later time.  This gives the Tx FIFO an opportunity to
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3157
 * flush all packets.  When that occurs, we reset the Tx FIFO pointers
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3158
 * to the beginning of the Tx FIFO.
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3159
 **/
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3160
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3161
#define E1000_FIFO_HDR			0x10
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3162
#define E1000_82547_PAD_LEN		0x3E0
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3163
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3164
static int
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3165
e1000_82547_fifo_workaround(struct e1000_adapter *adapter, struct sk_buff *skb)
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3166
{
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3167
	uint32_t fifo_space = adapter->tx_fifo_size - adapter->tx_fifo_head;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3168
	uint32_t skb_fifo_len = skb->len + E1000_FIFO_HDR;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3169
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3170
	skb_fifo_len = ALIGN(skb_fifo_len, E1000_FIFO_HDR);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3171
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3172
	if (adapter->link_duplex != HALF_DUPLEX)
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3173
		goto no_fifo_stall_required;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3174
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3175
	if (atomic_read(&adapter->tx_fifo_stall))
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3176
		return 1;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3177
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3178
	if (skb_fifo_len >= (E1000_82547_PAD_LEN + fifo_space)) {
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3179
		atomic_set(&adapter->tx_fifo_stall, 1);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3180
		return 1;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3181
	}
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3182
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3183
no_fifo_stall_required:
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3184
	adapter->tx_fifo_head += skb_fifo_len;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3185
	if (adapter->tx_fifo_head >= adapter->tx_fifo_size)
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3186
		adapter->tx_fifo_head -= adapter->tx_fifo_size;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3187
	return 0;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3188
}
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3189
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3190
#define MINIMUM_DHCP_PACKET_SIZE 282
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3191
static int
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3192
e1000_transfer_dhcp_info(struct e1000_adapter *adapter, struct sk_buff *skb)
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3193
{
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3194
	struct e1000_hw *hw =  &adapter->hw;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3195
	uint16_t length, offset;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3196
	if (vlan_tx_tag_present(skb)) {
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3197
		if (!((vlan_tx_tag_get(skb) == adapter->hw.mng_cookie.vlan_id) &&
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3198
			( adapter->hw.mng_cookie.status &
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3199
			  E1000_MNG_DHCP_COOKIE_STATUS_VLAN_SUPPORT)) )
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3200
			return 0;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3201
	}
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3202
	if (skb->len > MINIMUM_DHCP_PACKET_SIZE) {
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3203
		struct ethhdr *eth = (struct ethhdr *) skb->data;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3204
		if ((htons(ETH_P_IP) == eth->h_proto)) {
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3205
			const struct iphdr *ip =
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3206
				(struct iphdr *)((uint8_t *)skb->data+14);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3207
			if (IPPROTO_UDP == ip->protocol) {
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3208
				struct udphdr *udp =
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3209
					(struct udphdr *)((uint8_t *)ip +
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3210
						(ip->ihl << 2));
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3211
				if (ntohs(udp->dest) == 67) {
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3212
					offset = (uint8_t *)udp + 8 - skb->data;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3213
					length = skb->len - offset;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3214
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3215
					return e1000_mng_write_dhcp_info(hw,
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3216
							(uint8_t *)udp + 8,
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3217
							length);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3218
				}
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3219
			}
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3220
		}
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3221
	}
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3222
	return 0;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3223
}
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3224
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3225
static int __e1000_maybe_stop_tx(struct net_device *netdev, int size)
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3226
{
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3227
	struct e1000_adapter *adapter = netdev_priv(netdev);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3228
	struct e1000_tx_ring *tx_ring = adapter->tx_ring;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3229
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3230
	netif_stop_queue(netdev);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3231
	/* Herbert's original patch had:
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3232
	 *  smp_mb__after_netif_stop_queue();
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3233
	 * but since that doesn't exist yet, just open code it. */
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3234
	smp_mb();
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3235
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3236
	/* We need to check again in a case another CPU has just
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3237
	 * made room available. */
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3238
	if (likely(E1000_DESC_UNUSED(tx_ring) < size))
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3239
		return -EBUSY;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3240
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3241
	/* A reprieve! */
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3242
	netif_start_queue(netdev);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3243
	++adapter->restart_queue;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3244
	return 0;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3245
}
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3246
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3247
static int e1000_maybe_stop_tx(struct net_device *netdev,
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3248
                               struct e1000_tx_ring *tx_ring, int size)
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3249
{
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3250
	if (likely(E1000_DESC_UNUSED(tx_ring) >= size))
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3251
		return 0;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3252
	return __e1000_maybe_stop_tx(netdev, size);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3253
}
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3254
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3255
#define TXD_USE_COUNT(S, X) (((S) >> (X)) + 1 )
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3256
static int
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3257
e1000_xmit_frame(struct sk_buff *skb, struct net_device *netdev)
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3258
{
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3259
	struct e1000_adapter *adapter = netdev_priv(netdev);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3260
	struct e1000_tx_ring *tx_ring;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3261
	unsigned int first, max_per_txd = E1000_MAX_DATA_PER_TXD;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3262
	unsigned int max_txd_pwr = E1000_MAX_TXD_PWR;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3263
	unsigned int tx_flags = 0;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3264
	unsigned int len = skb->len;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3265
	unsigned long flags;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3266
	unsigned int nr_frags = 0;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3267
	unsigned int mss = 0;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3268
	int count = 0;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3269
	int tso;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3270
	unsigned int f;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3271
	len -= skb->data_len;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3272
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3273
	/* This goes back to the question of how to logically map a tx queue
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3274
	 * to a flow.  Right now, performance is impacted slightly negatively
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3275
	 * if using multiple tx queues.  If the stack breaks away from a
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3276
	 * single qdisc implementation, we can look at this again. */
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3277
	tx_ring = adapter->tx_ring;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3278
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3279
	if (unlikely(skb->len <= 0)) {
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3280
		dev_kfree_skb_any(skb);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3281
		return NETDEV_TX_OK;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3282
	}
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3283
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3284
	/* 82571 and newer doesn't need the workaround that limited descriptor
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3285
	 * length to 4kB */
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3286
	if (adapter->hw.mac_type >= e1000_82571)
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3287
		max_per_txd = 8192;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3288
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3289
	mss = skb_shinfo(skb)->gso_size;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3290
	/* The controller does a simple calculation to
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3291
	 * make sure there is enough room in the FIFO before
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3292
	 * initiating the DMA for each buffer.  The calc is:
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3293
	 * 4 = ceil(buffer len/mss).  To make sure we don't
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3294
	 * overrun the FIFO, adjust the max buffer len if mss
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3295
	 * drops. */
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3296
	if (mss) {
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3297
		uint8_t hdr_len;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3298
		max_per_txd = min(mss << 2, max_per_txd);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3299
		max_txd_pwr = fls(max_per_txd) - 1;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3300
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3301
		/* TSO Workaround for 82571/2/3 Controllers -- if skb->data
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3302
		* points to just header, pull a few bytes of payload from
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3303
		* frags into skb->data */
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3304
		hdr_len = skb_transport_offset(skb) + tcp_hdrlen(skb);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3305
		if (skb->data_len && (hdr_len == (skb->len - skb->data_len))) {
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3306
			switch (adapter->hw.mac_type) {
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3307
				unsigned int pull_size;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3308
			case e1000_82544:
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3309
				/* Make sure we have room to chop off 4 bytes,
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3310
				 * and that the end alignment will work out to
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3311
				 * this hardware's requirements
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3312
				 * NOTE: this is a TSO only workaround
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3313
				 * if end byte alignment not correct move us
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3314
				 * into the next dword */
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3315
				if ((unsigned long)(skb_tail_pointer(skb) - 1) & 4)
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3316
					break;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3317
				/* fall through */
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3318
			case e1000_82571:
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3319
			case e1000_82572:
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3320
			case e1000_82573:
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3321
			case e1000_ich8lan:
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3322
				pull_size = min((unsigned int)4, skb->data_len);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3323
				if (!__pskb_pull_tail(skb, pull_size)) {
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3324
					DPRINTK(DRV, ERR,
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3325
						"__pskb_pull_tail failed.\n");
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3326
					dev_kfree_skb_any(skb);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3327
					return NETDEV_TX_OK;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3328
				}
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3329
				len = skb->len - skb->data_len;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3330
				break;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3331
			default:
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3332
				/* do nothing */
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3333
				break;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3334
			}
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3335
		}
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3336
	}
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3337
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3338
	/* reserve a descriptor for the offload context */
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3339
	if ((mss) || (skb->ip_summed == CHECKSUM_PARTIAL))
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3340
		count++;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3341
	count++;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3342
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3343
	/* Controller Erratum workaround */
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3344
	if (!skb->data_len && tx_ring->last_tx_tso && !skb_is_gso(skb))
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3345
		count++;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3346
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3347
	count += TXD_USE_COUNT(len, max_txd_pwr);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3348
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3349
	if (adapter->pcix_82544)
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3350
		count++;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3351
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3352
	/* work-around for errata 10 and it applies to all controllers
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3353
	 * in PCI-X mode, so add one more descriptor to the count
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3354
	 */
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3355
	if (unlikely((adapter->hw.bus_type == e1000_bus_type_pcix) &&
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3356
			(len > 2015)))
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3357
		count++;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3358
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3359
	nr_frags = skb_shinfo(skb)->nr_frags;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3360
	for (f = 0; f < nr_frags; f++)
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3361
		count += TXD_USE_COUNT(skb_shinfo(skb)->frags[f].size,
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3362
				       max_txd_pwr);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3363
	if (adapter->pcix_82544)
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3364
		count += nr_frags;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3365
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3366
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3367
	if (adapter->hw.tx_pkt_filtering &&
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3368
	    (adapter->hw.mac_type == e1000_82573))
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3369
		e1000_transfer_dhcp_info(adapter, skb);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3370
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3371
	if (!spin_trylock_irqsave(&tx_ring->tx_lock, flags))
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3372
		/* Collision - tell upper layer to requeue */
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3373
		return NETDEV_TX_LOCKED;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3374
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3375
	/* need: count + 2 desc gap to keep tail from touching
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3376
	 * head, otherwise try next time */
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3377
	if (unlikely(e1000_maybe_stop_tx(netdev, tx_ring, count + 2))) {
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3378
		spin_unlock_irqrestore(&tx_ring->tx_lock, flags);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3379
		return NETDEV_TX_BUSY;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3380
	}
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3381
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3382
	if (unlikely(adapter->hw.mac_type == e1000_82547)) {
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3383
		if (unlikely(e1000_82547_fifo_workaround(adapter, skb))) {
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3384
			netif_stop_queue(netdev);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3385
			mod_timer(&adapter->tx_fifo_stall_timer, jiffies + 1);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3386
			spin_unlock_irqrestore(&tx_ring->tx_lock, flags);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3387
			return NETDEV_TX_BUSY;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3388
		}
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3389
	}
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3390
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3391
	if (unlikely(adapter->vlgrp && vlan_tx_tag_present(skb))) {
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3392
		tx_flags |= E1000_TX_FLAGS_VLAN;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3393
		tx_flags |= (vlan_tx_tag_get(skb) << E1000_TX_FLAGS_VLAN_SHIFT);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3394
	}
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3395
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3396
	first = tx_ring->next_to_use;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3397
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3398
	tso = e1000_tso(adapter, tx_ring, skb);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3399
	if (tso < 0) {
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3400
		dev_kfree_skb_any(skb);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3401
		spin_unlock_irqrestore(&tx_ring->tx_lock, flags);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3402
		return NETDEV_TX_OK;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3403
	}
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3404
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3405
	if (likely(tso)) {
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3406
		tx_ring->last_tx_tso = 1;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3407
		tx_flags |= E1000_TX_FLAGS_TSO;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3408
	} else if (likely(e1000_tx_csum(adapter, tx_ring, skb)))
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3409
		tx_flags |= E1000_TX_FLAGS_CSUM;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3410
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3411
	/* Old method was to assume IPv4 packet by default if TSO was enabled.
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3412
	 * 82571 hardware supports TSO capabilities for IPv6 as well...
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3413
	 * no longer assume, we must. */
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3414
	if (likely(skb->protocol == htons(ETH_P_IP)))
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3415
		tx_flags |= E1000_TX_FLAGS_IPV4;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3416
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3417
	e1000_tx_queue(adapter, tx_ring, tx_flags,
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3418
	               e1000_tx_map(adapter, tx_ring, skb, first,
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3419
	                            max_per_txd, nr_frags, mss));
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3420
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3421
	netdev->trans_start = jiffies;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3422
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3423
	/* Make sure there is space in the ring for the next send. */
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3424
	e1000_maybe_stop_tx(netdev, tx_ring, MAX_SKB_FRAGS + 2);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3425
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3426
	spin_unlock_irqrestore(&tx_ring->tx_lock, flags);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3427
	return NETDEV_TX_OK;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3428
}
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3429
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3430
/**
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3431
 * e1000_tx_timeout - Respond to a Tx Hang
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3432
 * @netdev: network interface device structure
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3433
 **/
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3434
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3435
static void
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3436
e1000_tx_timeout(struct net_device *netdev)
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3437
{
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3438
	struct e1000_adapter *adapter = netdev_priv(netdev);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3439
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3440
	/* Do the reset outside of interrupt context */
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3441
	adapter->tx_timeout_count++;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3442
	schedule_work(&adapter->reset_task);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3443
}
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3444
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3445
static void
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3446
e1000_reset_task(struct work_struct *work)
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3447
{
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3448
	struct e1000_adapter *adapter =
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3449
		container_of(work, struct e1000_adapter, reset_task);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3450
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3451
	e1000_reinit_locked(adapter);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3452
}
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3453
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3454
/**
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3455
 * e1000_get_stats - Get System Network Statistics
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3456
 * @netdev: network interface device structure
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3457
 *
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3458
 * Returns the address of the device statistics structure.
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3459
 * The statistics are actually updated from the timer callback.
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3460
 **/
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3461
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3462
static struct net_device_stats *
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3463
e1000_get_stats(struct net_device *netdev)
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3464
{
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3465
	struct e1000_adapter *adapter = netdev_priv(netdev);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3466
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3467
	/* only return the current stats */
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3468
	return &adapter->net_stats;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3469
}
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3470
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3471
/**
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3472
 * e1000_change_mtu - Change the Maximum Transfer Unit
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3473
 * @netdev: network interface device structure
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3474
 * @new_mtu: new value for maximum frame size
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3475
 *
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3476
 * Returns 0 on success, negative on failure
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3477
 **/
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3478
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3479
static int
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3480
e1000_change_mtu(struct net_device *netdev, int new_mtu)
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3481
{
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3482
	struct e1000_adapter *adapter = netdev_priv(netdev);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3483
	int max_frame = new_mtu + ENET_HEADER_SIZE + ETHERNET_FCS_SIZE;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3484
	uint16_t eeprom_data = 0;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3485
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3486
	if ((max_frame < MINIMUM_ETHERNET_FRAME_SIZE) ||
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3487
	    (max_frame > MAX_JUMBO_FRAME_SIZE)) {
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3488
		DPRINTK(PROBE, ERR, "Invalid MTU setting\n");
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3489
		return -EINVAL;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3490
	}
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3491
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3492
	/* Adapter-specific max frame size limits. */
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3493
	switch (adapter->hw.mac_type) {
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3494
	case e1000_undefined ... e1000_82542_rev2_1:
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3495
	case e1000_ich8lan:
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3496
		if (max_frame > MAXIMUM_ETHERNET_FRAME_SIZE) {
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3497
			DPRINTK(PROBE, ERR, "Jumbo Frames not supported.\n");
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3498
			return -EINVAL;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3499
		}
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3500
		break;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3501
	case e1000_82573:
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3502
		/* Jumbo Frames not supported if:
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3503
		 * - this is not an 82573L device
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3504
		 * - ASPM is enabled in any way (0x1A bits 3:2) */
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3505
		e1000_read_eeprom(&adapter->hw, EEPROM_INIT_3GIO_3, 1,
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3506
		                  &eeprom_data);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3507
		if ((adapter->hw.device_id != E1000_DEV_ID_82573L) ||
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3508
		    (eeprom_data & EEPROM_WORD1A_ASPM_MASK)) {
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3509
			if (max_frame > MAXIMUM_ETHERNET_FRAME_SIZE) {
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3510
				DPRINTK(PROBE, ERR,
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3511
			            	"Jumbo Frames not supported.\n");
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3512
				return -EINVAL;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3513
			}
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3514
			break;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3515
		}
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3516
		/* ERT will be enabled later to enable wire speed receives */
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3517
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3518
		/* fall through to get support */
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3519
	case e1000_82571:
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3520
	case e1000_82572:
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3521
	case e1000_80003es2lan:
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3522
#define MAX_STD_JUMBO_FRAME_SIZE 9234
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3523
		if (max_frame > MAX_STD_JUMBO_FRAME_SIZE) {
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3524
			DPRINTK(PROBE, ERR, "MTU > 9216 not supported.\n");
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3525
			return -EINVAL;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3526
		}
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3527
		break;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3528
	default:
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3529
		/* Capable of supporting up to MAX_JUMBO_FRAME_SIZE limit. */
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3530
		break;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3531
	}
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3532
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3533
	/* NOTE: netdev_alloc_skb reserves 16 bytes, and typically NET_IP_ALIGN
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3534
	 * means we reserve 2 more, this pushes us to allocate from the next
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3535
	 * larger slab size
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3536
	 * i.e. RXBUFFER_2048 --> size-4096 slab */
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3537
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3538
	if (max_frame <= E1000_RXBUFFER_256)
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3539
		adapter->rx_buffer_len = E1000_RXBUFFER_256;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3540
	else if (max_frame <= E1000_RXBUFFER_512)
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3541
		adapter->rx_buffer_len = E1000_RXBUFFER_512;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3542
	else if (max_frame <= E1000_RXBUFFER_1024)
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3543
		adapter->rx_buffer_len = E1000_RXBUFFER_1024;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3544
	else if (max_frame <= E1000_RXBUFFER_2048)
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3545
		adapter->rx_buffer_len = E1000_RXBUFFER_2048;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3546
	else if (max_frame <= E1000_RXBUFFER_4096)
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3547
		adapter->rx_buffer_len = E1000_RXBUFFER_4096;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3548
	else if (max_frame <= E1000_RXBUFFER_8192)
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3549
		adapter->rx_buffer_len = E1000_RXBUFFER_8192;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3550
	else if (max_frame <= E1000_RXBUFFER_16384)
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3551
		adapter->rx_buffer_len = E1000_RXBUFFER_16384;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3552
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3553
	/* adjust allocation if LPE protects us, and we aren't using SBP */
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3554
	if (!adapter->hw.tbi_compatibility_on &&
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3555
	    ((max_frame == MAXIMUM_ETHERNET_FRAME_SIZE) ||
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3556
	     (max_frame == MAXIMUM_ETHERNET_VLAN_SIZE)))
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3557
		adapter->rx_buffer_len = MAXIMUM_ETHERNET_VLAN_SIZE;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3558
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3559
	netdev->mtu = new_mtu;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3560
	adapter->hw.max_frame_size = max_frame;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3561
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3562
	if (netif_running(netdev))
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3563
		e1000_reinit_locked(adapter);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3564
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3565
	return 0;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3566
}
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3567
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3568
/**
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3569
 * e1000_update_stats - Update the board statistics counters
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3570
 * @adapter: board private structure
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3571
 **/
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3572
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3573
void
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3574
e1000_update_stats(struct e1000_adapter *adapter)
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3575
{
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3576
	struct e1000_hw *hw = &adapter->hw;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3577
	struct pci_dev *pdev = adapter->pdev;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3578
	unsigned long flags;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3579
	uint16_t phy_tmp;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3580
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3581
#define PHY_IDLE_ERROR_COUNT_MASK 0x00FF
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3582
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3583
	/*
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3584
	 * Prevent stats update while adapter is being reset, or if the pci
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3585
	 * connection is down.
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3586
	 */
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3587
	if (adapter->link_speed == 0)
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3588
		return;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3589
	if (pci_channel_offline(pdev))
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3590
		return;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3591
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3592
	spin_lock_irqsave(&adapter->stats_lock, flags);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3593
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3594
	/* these counters are modified from e1000_adjust_tbi_stats,
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3595
	 * called from the interrupt context, so they must only
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3596
	 * be written while holding adapter->stats_lock
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3597
	 */
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3598
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3599
	adapter->stats.crcerrs += E1000_READ_REG(hw, CRCERRS);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3600
	adapter->stats.gprc += E1000_READ_REG(hw, GPRC);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3601
	adapter->stats.gorcl += E1000_READ_REG(hw, GORCL);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3602
	adapter->stats.gorch += E1000_READ_REG(hw, GORCH);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3603
	adapter->stats.bprc += E1000_READ_REG(hw, BPRC);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3604
	adapter->stats.mprc += E1000_READ_REG(hw, MPRC);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3605
	adapter->stats.roc += E1000_READ_REG(hw, ROC);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3606
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3607
	if (adapter->hw.mac_type != e1000_ich8lan) {
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3608
		adapter->stats.prc64 += E1000_READ_REG(hw, PRC64);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3609
		adapter->stats.prc127 += E1000_READ_REG(hw, PRC127);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3610
		adapter->stats.prc255 += E1000_READ_REG(hw, PRC255);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3611
		adapter->stats.prc511 += E1000_READ_REG(hw, PRC511);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3612
		adapter->stats.prc1023 += E1000_READ_REG(hw, PRC1023);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3613
		adapter->stats.prc1522 += E1000_READ_REG(hw, PRC1522);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3614
	}
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3615
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3616
	adapter->stats.symerrs += E1000_READ_REG(hw, SYMERRS);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3617
	adapter->stats.mpc += E1000_READ_REG(hw, MPC);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3618
	adapter->stats.scc += E1000_READ_REG(hw, SCC);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3619
	adapter->stats.ecol += E1000_READ_REG(hw, ECOL);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3620
	adapter->stats.mcc += E1000_READ_REG(hw, MCC);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3621
	adapter->stats.latecol += E1000_READ_REG(hw, LATECOL);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3622
	adapter->stats.dc += E1000_READ_REG(hw, DC);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3623
	adapter->stats.sec += E1000_READ_REG(hw, SEC);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3624
	adapter->stats.rlec += E1000_READ_REG(hw, RLEC);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3625
	adapter->stats.xonrxc += E1000_READ_REG(hw, XONRXC);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3626
	adapter->stats.xontxc += E1000_READ_REG(hw, XONTXC);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3627
	adapter->stats.xoffrxc += E1000_READ_REG(hw, XOFFRXC);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3628
	adapter->stats.xofftxc += E1000_READ_REG(hw, XOFFTXC);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3629
	adapter->stats.fcruc += E1000_READ_REG(hw, FCRUC);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3630
	adapter->stats.gptc += E1000_READ_REG(hw, GPTC);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3631
	adapter->stats.gotcl += E1000_READ_REG(hw, GOTCL);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3632
	adapter->stats.gotch += E1000_READ_REG(hw, GOTCH);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3633
	adapter->stats.rnbc += E1000_READ_REG(hw, RNBC);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3634
	adapter->stats.ruc += E1000_READ_REG(hw, RUC);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3635
	adapter->stats.rfc += E1000_READ_REG(hw, RFC);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3636
	adapter->stats.rjc += E1000_READ_REG(hw, RJC);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3637
	adapter->stats.torl += E1000_READ_REG(hw, TORL);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3638
	adapter->stats.torh += E1000_READ_REG(hw, TORH);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3639
	adapter->stats.totl += E1000_READ_REG(hw, TOTL);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3640
	adapter->stats.toth += E1000_READ_REG(hw, TOTH);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3641
	adapter->stats.tpr += E1000_READ_REG(hw, TPR);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3642
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3643
	if (adapter->hw.mac_type != e1000_ich8lan) {
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3644
		adapter->stats.ptc64 += E1000_READ_REG(hw, PTC64);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3645
		adapter->stats.ptc127 += E1000_READ_REG(hw, PTC127);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3646
		adapter->stats.ptc255 += E1000_READ_REG(hw, PTC255);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3647
		adapter->stats.ptc511 += E1000_READ_REG(hw, PTC511);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3648
		adapter->stats.ptc1023 += E1000_READ_REG(hw, PTC1023);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3649
		adapter->stats.ptc1522 += E1000_READ_REG(hw, PTC1522);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3650
	}
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3651
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3652
	adapter->stats.mptc += E1000_READ_REG(hw, MPTC);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3653
	adapter->stats.bptc += E1000_READ_REG(hw, BPTC);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3654
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3655
	/* used for adaptive IFS */
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3656
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3657
	hw->tx_packet_delta = E1000_READ_REG(hw, TPT);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3658
	adapter->stats.tpt += hw->tx_packet_delta;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3659
	hw->collision_delta = E1000_READ_REG(hw, COLC);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3660
	adapter->stats.colc += hw->collision_delta;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3661
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3662
	if (hw->mac_type >= e1000_82543) {
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3663
		adapter->stats.algnerrc += E1000_READ_REG(hw, ALGNERRC);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3664
		adapter->stats.rxerrc += E1000_READ_REG(hw, RXERRC);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3665
		adapter->stats.tncrs += E1000_READ_REG(hw, TNCRS);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3666
		adapter->stats.cexterr += E1000_READ_REG(hw, CEXTERR);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3667
		adapter->stats.tsctc += E1000_READ_REG(hw, TSCTC);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3668
		adapter->stats.tsctfc += E1000_READ_REG(hw, TSCTFC);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3669
	}
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3670
	if (hw->mac_type > e1000_82547_rev_2) {
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3671
		adapter->stats.iac += E1000_READ_REG(hw, IAC);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3672
		adapter->stats.icrxoc += E1000_READ_REG(hw, ICRXOC);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3673
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3674
		if (adapter->hw.mac_type != e1000_ich8lan) {
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3675
			adapter->stats.icrxptc += E1000_READ_REG(hw, ICRXPTC);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3676
			adapter->stats.icrxatc += E1000_READ_REG(hw, ICRXATC);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3677
			adapter->stats.ictxptc += E1000_READ_REG(hw, ICTXPTC);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3678
			adapter->stats.ictxatc += E1000_READ_REG(hw, ICTXATC);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3679
			adapter->stats.ictxqec += E1000_READ_REG(hw, ICTXQEC);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3680
			adapter->stats.ictxqmtc += E1000_READ_REG(hw, ICTXQMTC);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3681
			adapter->stats.icrxdmtc += E1000_READ_REG(hw, ICRXDMTC);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3682
		}
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3683
	}
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3684
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3685
	/* Fill out the OS statistics structure */
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3686
	adapter->net_stats.rx_packets = adapter->stats.gprc;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3687
	adapter->net_stats.tx_packets = adapter->stats.gptc;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3688
	adapter->net_stats.rx_bytes = adapter->stats.gorcl;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3689
	adapter->net_stats.tx_bytes = adapter->stats.gotcl;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3690
	adapter->net_stats.multicast = adapter->stats.mprc;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3691
	adapter->net_stats.collisions = adapter->stats.colc;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3692
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3693
	/* Rx Errors */
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3694
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3695
	/* RLEC on some newer hardware can be incorrect so build
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3696
	* our own version based on RUC and ROC */
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3697
	adapter->net_stats.rx_errors = adapter->stats.rxerrc +
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3698
		adapter->stats.crcerrs + adapter->stats.algnerrc +
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3699
		adapter->stats.ruc + adapter->stats.roc +
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3700
		adapter->stats.cexterr;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3701
	adapter->stats.rlerrc = adapter->stats.ruc + adapter->stats.roc;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3702
	adapter->net_stats.rx_length_errors = adapter->stats.rlerrc;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3703
	adapter->net_stats.rx_crc_errors = adapter->stats.crcerrs;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3704
	adapter->net_stats.rx_frame_errors = adapter->stats.algnerrc;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3705
	adapter->net_stats.rx_missed_errors = adapter->stats.mpc;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3706
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3707
	/* Tx Errors */
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3708
	adapter->stats.txerrc = adapter->stats.ecol + adapter->stats.latecol;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3709
	adapter->net_stats.tx_errors = adapter->stats.txerrc;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3710
	adapter->net_stats.tx_aborted_errors = adapter->stats.ecol;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3711
	adapter->net_stats.tx_window_errors = adapter->stats.latecol;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3712
	adapter->net_stats.tx_carrier_errors = adapter->stats.tncrs;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3713
	if (adapter->hw.bad_tx_carr_stats_fd &&
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3714
	    adapter->link_duplex == FULL_DUPLEX) {
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3715
		adapter->net_stats.tx_carrier_errors = 0;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3716
		adapter->stats.tncrs = 0;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3717
	}
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3718
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3719
	/* Tx Dropped needs to be maintained elsewhere */
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3720
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3721
	/* Phy Stats */
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3722
	if (hw->media_type == e1000_media_type_copper) {
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3723
		if ((adapter->link_speed == SPEED_1000) &&
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3724
		   (!e1000_read_phy_reg(hw, PHY_1000T_STATUS, &phy_tmp))) {
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3725
			phy_tmp &= PHY_IDLE_ERROR_COUNT_MASK;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3726
			adapter->phy_stats.idle_errors += phy_tmp;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3727
		}
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3728
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3729
		if ((hw->mac_type <= e1000_82546) &&
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3730
		   (hw->phy_type == e1000_phy_m88) &&
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3731
		   !e1000_read_phy_reg(hw, M88E1000_RX_ERR_CNTR, &phy_tmp))
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3732
			adapter->phy_stats.receive_errors += phy_tmp;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3733
	}
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3734
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3735
	/* Management Stats */
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3736
	if (adapter->hw.has_smbus) {
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3737
		adapter->stats.mgptc += E1000_READ_REG(hw, MGTPTC);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3738
		adapter->stats.mgprc += E1000_READ_REG(hw, MGTPRC);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3739
		adapter->stats.mgpdc += E1000_READ_REG(hw, MGTPDC);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3740
	}
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3741
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3742
	spin_unlock_irqrestore(&adapter->stats_lock, flags);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3743
}
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3744
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3745
/**
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3746
 * e1000_intr_msi - Interrupt Handler
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3747
 * @irq: interrupt number
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3748
 * @data: pointer to a network interface device structure
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3749
 **/
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3750
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3751
static irqreturn_t
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3752
e1000_intr_msi(int irq, void *data)
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3753
{
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3754
	struct net_device *netdev = data;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3755
	struct e1000_adapter *adapter = netdev_priv(netdev);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3756
	struct e1000_hw *hw = &adapter->hw;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3757
#ifndef CONFIG_E1000_NAPI
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3758
	int i;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3759
#endif
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3760
	uint32_t icr = E1000_READ_REG(hw, ICR);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3761
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3762
#ifdef CONFIG_E1000_NAPI
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3763
	/* read ICR disables interrupts using IAM, so keep up with our
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3764
	 * enable/disable accounting */
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3765
	atomic_inc(&adapter->irq_sem);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3766
#endif
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3767
	if (icr & (E1000_ICR_RXSEQ | E1000_ICR_LSC)) {
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3768
		hw->get_link_status = 1;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3769
		/* 80003ES2LAN workaround-- For packet buffer work-around on
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3770
		 * link down event; disable receives here in the ISR and reset
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3771
		 * adapter in watchdog */
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3772
		if (netif_carrier_ok(netdev) &&
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3773
		    (adapter->hw.mac_type == e1000_80003es2lan)) {
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3774
			/* disable receives */
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3775
			uint32_t rctl = E1000_READ_REG(hw, RCTL);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3776
			E1000_WRITE_REG(hw, RCTL, rctl & ~E1000_RCTL_EN);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3777
		}
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3778
		/* guard against interrupt when we're going down */
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3779
		if (!test_bit(__E1000_DOWN, &adapter->flags))
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3780
			mod_timer(&adapter->watchdog_timer, jiffies + 1);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3781
	}
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3782
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3783
#ifdef CONFIG_E1000_NAPI
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3784
	if (likely(netif_rx_schedule_prep(netdev))) {
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3785
		adapter->total_tx_bytes = 0;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3786
		adapter->total_tx_packets = 0;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3787
		adapter->total_rx_bytes = 0;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3788
		adapter->total_rx_packets = 0;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3789
		__netif_rx_schedule(netdev);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3790
	} else
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3791
		e1000_irq_enable(adapter);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3792
#else
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3793
	adapter->total_tx_bytes = 0;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3794
	adapter->total_rx_bytes = 0;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3795
	adapter->total_tx_packets = 0;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3796
	adapter->total_rx_packets = 0;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3797
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3798
	for (i = 0; i < E1000_MAX_INTR; i++)
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3799
		if (unlikely(!adapter->clean_rx(adapter, adapter->rx_ring) &
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3800
		   !e1000_clean_tx_irq(adapter, adapter->tx_ring)))
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3801
			break;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3802
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3803
	if (likely(adapter->itr_setting & 3))
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3804
		e1000_set_itr(adapter);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3805
#endif
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3806
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3807
	return IRQ_HANDLED;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3808
}
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3809
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3810
/**
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3811
 * e1000_intr - Interrupt Handler
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3812
 * @irq: interrupt number
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3813
 * @data: pointer to a network interface device structure
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3814
 **/
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3815
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3816
static irqreturn_t
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3817
e1000_intr(int irq, void *data)
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3818
{
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3819
	struct net_device *netdev = data;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3820
	struct e1000_adapter *adapter = netdev_priv(netdev);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3821
	struct e1000_hw *hw = &adapter->hw;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3822
	uint32_t rctl, icr = E1000_READ_REG(hw, ICR);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3823
#ifndef CONFIG_E1000_NAPI
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3824
	int i;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3825
#endif
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3826
	if (unlikely(!icr))
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3827
		return IRQ_NONE;  /* Not our interrupt */
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3828
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3829
#ifdef CONFIG_E1000_NAPI
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3830
	/* IMS will not auto-mask if INT_ASSERTED is not set, and if it is
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3831
	 * not set, then the adapter didn't send an interrupt */
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3832
	if (unlikely(hw->mac_type >= e1000_82571 &&
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3833
	             !(icr & E1000_ICR_INT_ASSERTED)))
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3834
		return IRQ_NONE;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3835
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3836
	/* Interrupt Auto-Mask...upon reading ICR,
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3837
	 * interrupts are masked.  No need for the
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3838
	 * IMC write, but it does mean we should
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3839
	 * account for it ASAP. */
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3840
	if (likely(hw->mac_type >= e1000_82571))
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3841
		atomic_inc(&adapter->irq_sem);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3842
#endif
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3843
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3844
	if (unlikely(icr & (E1000_ICR_RXSEQ | E1000_ICR_LSC))) {
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3845
		hw->get_link_status = 1;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3846
		/* 80003ES2LAN workaround--
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3847
		 * For packet buffer work-around on link down event;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3848
		 * disable receives here in the ISR and
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3849
		 * reset adapter in watchdog
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3850
		 */
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3851
		if (netif_carrier_ok(netdev) &&
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3852
		    (adapter->hw.mac_type == e1000_80003es2lan)) {
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3853
			/* disable receives */
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3854
			rctl = E1000_READ_REG(hw, RCTL);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3855
			E1000_WRITE_REG(hw, RCTL, rctl & ~E1000_RCTL_EN);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3856
		}
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3857
		/* guard against interrupt when we're going down */
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3858
		if (!test_bit(__E1000_DOWN, &adapter->flags))
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3859
			mod_timer(&adapter->watchdog_timer, jiffies + 1);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3860
	}
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3861
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3862
#ifdef CONFIG_E1000_NAPI
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3863
	if (unlikely(hw->mac_type < e1000_82571)) {
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3864
		/* disable interrupts, without the synchronize_irq bit */
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3865
		atomic_inc(&adapter->irq_sem);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3866
		E1000_WRITE_REG(hw, IMC, ~0);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3867
		E1000_WRITE_FLUSH(hw);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3868
	}
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3869
	if (likely(netif_rx_schedule_prep(netdev))) {
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3870
		adapter->total_tx_bytes = 0;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3871
		adapter->total_tx_packets = 0;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3872
		adapter->total_rx_bytes = 0;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3873
		adapter->total_rx_packets = 0;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3874
		__netif_rx_schedule(netdev);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3875
	} else
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3876
		/* this really should not happen! if it does it is basically a
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3877
		 * bug, but not a hard error, so enable ints and continue */
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3878
		e1000_irq_enable(adapter);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3879
#else
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3880
	/* Writing IMC and IMS is needed for 82547.
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3881
	 * Due to Hub Link bus being occupied, an interrupt
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3882
	 * de-assertion message is not able to be sent.
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3883
	 * When an interrupt assertion message is generated later,
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3884
	 * two messages are re-ordered and sent out.
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3885
	 * That causes APIC to think 82547 is in de-assertion
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3886
	 * state, while 82547 is in assertion state, resulting
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3887
	 * in dead lock. Writing IMC forces 82547 into
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3888
	 * de-assertion state.
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3889
	 */
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3890
	if (hw->mac_type == e1000_82547 || hw->mac_type == e1000_82547_rev_2) {
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3891
		atomic_inc(&adapter->irq_sem);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3892
		E1000_WRITE_REG(hw, IMC, ~0);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3893
	}
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3894
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3895
	adapter->total_tx_bytes = 0;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3896
	adapter->total_rx_bytes = 0;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3897
	adapter->total_tx_packets = 0;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3898
	adapter->total_rx_packets = 0;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3899
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3900
	for (i = 0; i < E1000_MAX_INTR; i++)
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3901
		if (unlikely(!adapter->clean_rx(adapter, adapter->rx_ring) &
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3902
		   !e1000_clean_tx_irq(adapter, adapter->tx_ring)))
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3903
			break;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3904
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3905
	if (likely(adapter->itr_setting & 3))
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3906
		e1000_set_itr(adapter);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3907
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3908
	if (hw->mac_type == e1000_82547 || hw->mac_type == e1000_82547_rev_2)
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3909
		e1000_irq_enable(adapter);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3910
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3911
#endif
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3912
	return IRQ_HANDLED;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3913
}
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3914
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3915
#ifdef CONFIG_E1000_NAPI
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3916
/**
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3917
 * e1000_clean - NAPI Rx polling callback
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3918
 * @adapter: board private structure
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3919
 **/
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3920
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3921
static int
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3922
e1000_clean(struct net_device *poll_dev, int *budget)
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3923
{
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3924
	struct e1000_adapter *adapter;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3925
	int work_to_do = min(*budget, poll_dev->quota);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3926
	int tx_cleaned = 0, work_done = 0;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3927
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3928
	/* Must NOT use netdev_priv macro here. */
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3929
	adapter = poll_dev->priv;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3930
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3931
	/* Keep link state information with original netdev */
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3932
	if (!netif_carrier_ok(poll_dev))
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3933
		goto quit_polling;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3934
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3935
	/* e1000_clean is called per-cpu.  This lock protects
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3936
	 * tx_ring[0] from being cleaned by multiple cpus
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3937
	 * simultaneously.  A failure obtaining the lock means
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3938
	 * tx_ring[0] is currently being cleaned anyway. */
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3939
	if (spin_trylock(&adapter->tx_queue_lock)) {
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3940
		tx_cleaned = e1000_clean_tx_irq(adapter,
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3941
		                                &adapter->tx_ring[0]);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3942
		spin_unlock(&adapter->tx_queue_lock);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3943
	}
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3944
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3945
	adapter->clean_rx(adapter, &adapter->rx_ring[0],
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3946
	                  &work_done, work_to_do);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3947
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3948
	*budget -= work_done;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3949
	poll_dev->quota -= work_done;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3950
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3951
	/* If no Tx and not enough Rx work done, exit the polling mode */
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3952
	if ((!tx_cleaned && (work_done == 0)) ||
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3953
	   !netif_running(poll_dev)) {
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3954
quit_polling:
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3955
		if (likely(adapter->itr_setting & 3))
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3956
			e1000_set_itr(adapter);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3957
		netif_rx_complete(poll_dev);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3958
		e1000_irq_enable(adapter);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3959
		return 0;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3960
	}
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3961
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3962
	return 1;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3963
}
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3964
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3965
#endif
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3966
/**
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3967
 * e1000_clean_tx_irq - Reclaim resources after transmit completes
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3968
 * @adapter: board private structure
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3969
 **/
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3970
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3971
static boolean_t
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3972
e1000_clean_tx_irq(struct e1000_adapter *adapter,
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3973
                   struct e1000_tx_ring *tx_ring)
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3974
{
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3975
	struct net_device *netdev = adapter->netdev;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3976
	struct e1000_tx_desc *tx_desc, *eop_desc;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3977
	struct e1000_buffer *buffer_info;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3978
	unsigned int i, eop;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3979
#ifdef CONFIG_E1000_NAPI
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3980
	unsigned int count = 0;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3981
#endif
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3982
	boolean_t cleaned = FALSE;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3983
	unsigned int total_tx_bytes=0, total_tx_packets=0;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3984
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3985
	i = tx_ring->next_to_clean;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3986
	eop = tx_ring->buffer_info[i].next_to_watch;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3987
	eop_desc = E1000_TX_DESC(*tx_ring, eop);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3988
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3989
	while (eop_desc->upper.data & cpu_to_le32(E1000_TXD_STAT_DD)) {
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3990
		for (cleaned = FALSE; !cleaned; ) {
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3991
			tx_desc = E1000_TX_DESC(*tx_ring, i);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3992
			buffer_info = &tx_ring->buffer_info[i];
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3993
			cleaned = (i == eop);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3994
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3995
			if (cleaned) {
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3996
				struct sk_buff *skb = buffer_info->skb;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3997
				unsigned int segs, bytecount;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3998
				segs = skb_shinfo(skb)->gso_segs ?: 1;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3999
				/* multiply data chunks by size of headers */
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4000
				bytecount = ((segs - 1) * skb_headlen(skb)) +
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4001
				            skb->len;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4002
				total_tx_packets += segs;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4003
				total_tx_bytes += bytecount;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4004
			}
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4005
			e1000_unmap_and_free_tx_resource(adapter, buffer_info);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4006
			tx_desc->upper.data = 0;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4007
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4008
			if (unlikely(++i == tx_ring->count)) i = 0;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4009
		}
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4010
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4011
		eop = tx_ring->buffer_info[i].next_to_watch;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4012
		eop_desc = E1000_TX_DESC(*tx_ring, eop);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4013
#ifdef CONFIG_E1000_NAPI
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4014
#define E1000_TX_WEIGHT 64
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4015
		/* weight of a sort for tx, to avoid endless transmit cleanup */
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4016
		if (count++ == E1000_TX_WEIGHT) break;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4017
#endif
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4018
	}
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4019
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4020
	tx_ring->next_to_clean = i;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4021
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4022
#define TX_WAKE_THRESHOLD 32
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4023
	if (unlikely(cleaned && netif_carrier_ok(netdev) &&
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4024
		     E1000_DESC_UNUSED(tx_ring) >= TX_WAKE_THRESHOLD)) {
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4025
		/* Make sure that anybody stopping the queue after this
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4026
		 * sees the new next_to_clean.
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4027
		 */
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4028
		smp_mb();
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4029
		if (netif_queue_stopped(netdev)) {
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4030
			netif_wake_queue(netdev);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4031
			++adapter->restart_queue;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4032
		}
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4033
	}
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4034
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4035
	if (adapter->detect_tx_hung) {
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4036
		/* Detect a transmit hang in hardware, this serializes the
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4037
		 * check with the clearing of time_stamp and movement of i */
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4038
		adapter->detect_tx_hung = FALSE;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4039
		if (tx_ring->buffer_info[eop].dma &&
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4040
		    time_after(jiffies, tx_ring->buffer_info[eop].time_stamp +
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4041
		               (adapter->tx_timeout_factor * HZ))
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4042
		    && !(E1000_READ_REG(&adapter->hw, STATUS) &
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4043
		         E1000_STATUS_TXOFF)) {
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4044
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4045
			/* detected Tx unit hang */
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4046
			DPRINTK(DRV, ERR, "Detected Tx Unit Hang\n"
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4047
					"  Tx Queue             <%lu>\n"
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4048
					"  TDH                  <%x>\n"
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4049
					"  TDT                  <%x>\n"
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4050
					"  next_to_use          <%x>\n"
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4051
					"  next_to_clean        <%x>\n"
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4052
					"buffer_info[next_to_clean]\n"
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4053
					"  time_stamp           <%lx>\n"
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4054
					"  next_to_watch        <%x>\n"
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4055
					"  jiffies              <%lx>\n"
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4056
					"  next_to_watch.status <%x>\n",
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4057
				(unsigned long)((tx_ring - adapter->tx_ring) /
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4058
					sizeof(struct e1000_tx_ring)),
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4059
				readl(adapter->hw.hw_addr + tx_ring->tdh),
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4060
				readl(adapter->hw.hw_addr + tx_ring->tdt),
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4061
				tx_ring->next_to_use,
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4062
				tx_ring->next_to_clean,
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4063
				tx_ring->buffer_info[eop].time_stamp,
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4064
				eop,
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4065
				jiffies,
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4066
				eop_desc->upper.fields.status);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4067
			netif_stop_queue(netdev);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4068
		}
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4069
	}
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4070
	adapter->total_tx_bytes += total_tx_bytes;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4071
	adapter->total_tx_packets += total_tx_packets;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4072
	return cleaned;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4073
}
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4074
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4075
/**
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4076
 * e1000_rx_checksum - Receive Checksum Offload for 82543
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4077
 * @adapter:     board private structure
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4078
 * @status_err:  receive descriptor status and error fields
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4079
 * @csum:        receive descriptor csum field
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4080
 * @sk_buff:     socket buffer with received data
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4081
 **/
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4082
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4083
static void
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4084
e1000_rx_checksum(struct e1000_adapter *adapter,
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4085
		  uint32_t status_err, uint32_t csum,
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4086
		  struct sk_buff *skb)
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4087
{
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4088
	uint16_t status = (uint16_t)status_err;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4089
	uint8_t errors = (uint8_t)(status_err >> 24);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4090
	skb->ip_summed = CHECKSUM_NONE;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4091
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4092
	/* 82543 or newer only */
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4093
	if (unlikely(adapter->hw.mac_type < e1000_82543)) return;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4094
	/* Ignore Checksum bit is set */
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4095
	if (unlikely(status & E1000_RXD_STAT_IXSM)) return;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4096
	/* TCP/UDP checksum error bit is set */
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4097
	if (unlikely(errors & E1000_RXD_ERR_TCPE)) {
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4098
		/* let the stack verify checksum errors */
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4099
		adapter->hw_csum_err++;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4100
		return;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4101
	}
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4102
	/* TCP/UDP Checksum has not been calculated */
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4103
	if (adapter->hw.mac_type <= e1000_82547_rev_2) {
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4104
		if (!(status & E1000_RXD_STAT_TCPCS))
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4105
			return;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4106
	} else {
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4107
		if (!(status & (E1000_RXD_STAT_TCPCS | E1000_RXD_STAT_UDPCS)))
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4108
			return;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4109
	}
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4110
	/* It must be a TCP or UDP packet with a valid checksum */
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4111
	if (likely(status & E1000_RXD_STAT_TCPCS)) {
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4112
		/* TCP checksum is good */
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4113
		skb->ip_summed = CHECKSUM_UNNECESSARY;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4114
	} else if (adapter->hw.mac_type > e1000_82547_rev_2) {
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4115
		/* IP fragment with UDP payload */
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4116
		/* Hardware complements the payload checksum, so we undo it
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4117
		 * and then put the value in host order for further stack use.
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4118
		 */
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4119
		csum = ntohl(csum ^ 0xFFFF);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4120
		skb->csum = csum;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4121
		skb->ip_summed = CHECKSUM_COMPLETE;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4122
	}
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4123
	adapter->hw_csum_good++;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4124
}
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4125
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4126
/**
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4127
 * e1000_clean_rx_irq - Send received data up the network stack; legacy
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4128
 * @adapter: board private structure
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4129
 **/
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4130
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4131
static boolean_t
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4132
#ifdef CONFIG_E1000_NAPI
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4133
e1000_clean_rx_irq(struct e1000_adapter *adapter,
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4134
                   struct e1000_rx_ring *rx_ring,
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4135
                   int *work_done, int work_to_do)
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4136
#else
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4137
e1000_clean_rx_irq(struct e1000_adapter *adapter,
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4138
                   struct e1000_rx_ring *rx_ring)
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4139
#endif
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4140
{
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4141
	struct net_device *netdev = adapter->netdev;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4142
	struct pci_dev *pdev = adapter->pdev;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4143
	struct e1000_rx_desc *rx_desc, *next_rxd;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4144
	struct e1000_buffer *buffer_info, *next_buffer;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4145
	unsigned long flags;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4146
	uint32_t length;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4147
	uint8_t last_byte;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4148
	unsigned int i;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4149
	int cleaned_count = 0;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4150
	boolean_t cleaned = FALSE;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4151
	unsigned int total_rx_bytes=0, total_rx_packets=0;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4152
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4153
	i = rx_ring->next_to_clean;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4154
	rx_desc = E1000_RX_DESC(*rx_ring, i);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4155
	buffer_info = &rx_ring->buffer_info[i];
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4156
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4157
	while (rx_desc->status & E1000_RXD_STAT_DD) {
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4158
		struct sk_buff *skb;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4159
		u8 status;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4160
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4161
#ifdef CONFIG_E1000_NAPI
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4162
		if (*work_done >= work_to_do)
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4163
			break;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4164
		(*work_done)++;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4165
#endif
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4166
		status = rx_desc->status;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4167
		skb = buffer_info->skb;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4168
		buffer_info->skb = NULL;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4169
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4170
		prefetch(skb->data - NET_IP_ALIGN);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4171
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4172
		if (++i == rx_ring->count) i = 0;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4173
		next_rxd = E1000_RX_DESC(*rx_ring, i);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4174
		prefetch(next_rxd);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4175
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4176
		next_buffer = &rx_ring->buffer_info[i];
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4177
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4178
		cleaned = TRUE;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4179
		cleaned_count++;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4180
		pci_unmap_single(pdev,
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4181
		                 buffer_info->dma,
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4182
		                 buffer_info->length,
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4183
		                 PCI_DMA_FROMDEVICE);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4184
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4185
		length = le16_to_cpu(rx_desc->length);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4186
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4187
		if (unlikely(!(status & E1000_RXD_STAT_EOP))) {
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4188
			/* All receives must fit into a single buffer */
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4189
			E1000_DBG("%s: Receive packet consumed multiple"
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4190
				  " buffers\n", netdev->name);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4191
			/* recycle */
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4192
			buffer_info->skb = skb;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4193
			goto next_desc;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4194
		}
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4195
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4196
		if (unlikely(rx_desc->errors & E1000_RXD_ERR_FRAME_ERR_MASK)) {
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4197
			last_byte = *(skb->data + length - 1);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4198
			if (TBI_ACCEPT(&adapter->hw, status,
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4199
			              rx_desc->errors, length, last_byte)) {
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4200
				spin_lock_irqsave(&adapter->stats_lock, flags);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4201
				e1000_tbi_adjust_stats(&adapter->hw,
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4202
				                       &adapter->stats,
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4203
				                       length, skb->data);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4204
				spin_unlock_irqrestore(&adapter->stats_lock,
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4205
				                       flags);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4206
				length--;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4207
			} else {
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4208
				/* recycle */
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4209
				buffer_info->skb = skb;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4210
				goto next_desc;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4211
			}
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4212
		}
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4213
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4214
		/* adjust length to remove Ethernet CRC, this must be
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4215
		 * done after the TBI_ACCEPT workaround above */
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4216
		length -= 4;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4217
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4218
		/* probably a little skewed due to removing CRC */
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4219
		total_rx_bytes += length;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4220
		total_rx_packets++;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4221
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4222
		/* code added for copybreak, this should improve
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4223
		 * performance for small packets with large amounts
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4224
		 * of reassembly being done in the stack */
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4225
		if (length < copybreak) {
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4226
			struct sk_buff *new_skb =
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4227
			    netdev_alloc_skb(netdev, length + NET_IP_ALIGN);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4228
			if (new_skb) {
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4229
				skb_reserve(new_skb, NET_IP_ALIGN);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4230
				skb_copy_to_linear_data_offset(new_skb,
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4231
							       -NET_IP_ALIGN,
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4232
							       (skb->data -
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4233
							        NET_IP_ALIGN),
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4234
							       (length +
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4235
							        NET_IP_ALIGN));
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4236
				/* save the skb in buffer_info as good */
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4237
				buffer_info->skb = skb;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4238
				skb = new_skb;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4239
			}
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4240
			/* else just continue with the old one */
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4241
		}
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4242
		/* end copybreak code */
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4243
		skb_put(skb, length);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4244
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4245
		/* Receive Checksum Offload */
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4246
		e1000_rx_checksum(adapter,
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4247
				  (uint32_t)(status) |
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4248
				  ((uint32_t)(rx_desc->errors) << 24),
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4249
				  le16_to_cpu(rx_desc->csum), skb);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4250
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4251
		skb->protocol = eth_type_trans(skb, netdev);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4252
#ifdef CONFIG_E1000_NAPI
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4253
		if (unlikely(adapter->vlgrp &&
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4254
			    (status & E1000_RXD_STAT_VP))) {
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4255
			vlan_hwaccel_receive_skb(skb, adapter->vlgrp,
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4256
						 le16_to_cpu(rx_desc->special) &
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4257
						 E1000_RXD_SPC_VLAN_MASK);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4258
		} else {
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4259
			netif_receive_skb(skb);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4260
		}
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4261
#else /* CONFIG_E1000_NAPI */
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4262
		if (unlikely(adapter->vlgrp &&
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4263
			    (status & E1000_RXD_STAT_VP))) {
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4264
			vlan_hwaccel_rx(skb, adapter->vlgrp,
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4265
					le16_to_cpu(rx_desc->special) &
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4266
					E1000_RXD_SPC_VLAN_MASK);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4267
		} else {
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4268
			netif_rx(skb);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4269
		}
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4270
#endif /* CONFIG_E1000_NAPI */
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4271
		netdev->last_rx = jiffies;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4272
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4273
next_desc:
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4274
		rx_desc->status = 0;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4275
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4276
		/* return some buffers to hardware, one at a time is too slow */
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4277
		if (unlikely(cleaned_count >= E1000_RX_BUFFER_WRITE)) {
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4278
			adapter->alloc_rx_buf(adapter, rx_ring, cleaned_count);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4279
			cleaned_count = 0;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4280
		}
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4281
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4282
		/* use prefetched values */
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4283
		rx_desc = next_rxd;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4284
		buffer_info = next_buffer;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4285
	}
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4286
	rx_ring->next_to_clean = i;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4287
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4288
	cleaned_count = E1000_DESC_UNUSED(rx_ring);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4289
	if (cleaned_count)
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4290
		adapter->alloc_rx_buf(adapter, rx_ring, cleaned_count);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4291
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4292
	adapter->total_rx_packets += total_rx_packets;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4293
	adapter->total_rx_bytes += total_rx_bytes;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4294
	return cleaned;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4295
}
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4296
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4297
/**
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4298
 * e1000_clean_rx_irq_ps - Send received data up the network stack; packet split
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4299
 * @adapter: board private structure
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4300
 **/
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4301
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4302
static boolean_t
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4303
#ifdef CONFIG_E1000_NAPI
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4304
e1000_clean_rx_irq_ps(struct e1000_adapter *adapter,
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4305
                      struct e1000_rx_ring *rx_ring,
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4306
                      int *work_done, int work_to_do)
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4307
#else
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4308
e1000_clean_rx_irq_ps(struct e1000_adapter *adapter,
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4309
                      struct e1000_rx_ring *rx_ring)
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4310
#endif
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4311
{
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4312
	union e1000_rx_desc_packet_split *rx_desc, *next_rxd;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4313
	struct net_device *netdev = adapter->netdev;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4314
	struct pci_dev *pdev = adapter->pdev;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4315
	struct e1000_buffer *buffer_info, *next_buffer;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4316
	struct e1000_ps_page *ps_page;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4317
	struct e1000_ps_page_dma *ps_page_dma;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4318
	struct sk_buff *skb;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4319
	unsigned int i, j;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4320
	uint32_t length, staterr;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4321
	int cleaned_count = 0;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4322
	boolean_t cleaned = FALSE;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4323
	unsigned int total_rx_bytes=0, total_rx_packets=0;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4324
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4325
	i = rx_ring->next_to_clean;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4326
	rx_desc = E1000_RX_DESC_PS(*rx_ring, i);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4327
	staterr = le32_to_cpu(rx_desc->wb.middle.status_error);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4328
	buffer_info = &rx_ring->buffer_info[i];
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4329
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4330
	while (staterr & E1000_RXD_STAT_DD) {
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4331
		ps_page = &rx_ring->ps_page[i];
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4332
		ps_page_dma = &rx_ring->ps_page_dma[i];
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4333
#ifdef CONFIG_E1000_NAPI
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4334
		if (unlikely(*work_done >= work_to_do))
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4335
			break;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4336
		(*work_done)++;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4337
#endif
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4338
		skb = buffer_info->skb;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4339
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4340
		/* in the packet split case this is header only */
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4341
		prefetch(skb->data - NET_IP_ALIGN);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4342
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4343
		if (++i == rx_ring->count) i = 0;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4344
		next_rxd = E1000_RX_DESC_PS(*rx_ring, i);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4345
		prefetch(next_rxd);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4346
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4347
		next_buffer = &rx_ring->buffer_info[i];
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4348
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4349
		cleaned = TRUE;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4350
		cleaned_count++;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4351
		pci_unmap_single(pdev, buffer_info->dma,
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4352
				 buffer_info->length,
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4353
				 PCI_DMA_FROMDEVICE);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4354
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4355
		if (unlikely(!(staterr & E1000_RXD_STAT_EOP))) {
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4356
			E1000_DBG("%s: Packet Split buffers didn't pick up"
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4357
				  " the full packet\n", netdev->name);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4358
			dev_kfree_skb_irq(skb);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4359
			goto next_desc;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4360
		}
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4361
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4362
		if (unlikely(staterr & E1000_RXDEXT_ERR_FRAME_ERR_MASK)) {
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4363
			dev_kfree_skb_irq(skb);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4364
			goto next_desc;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4365
		}
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4366
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4367
		length = le16_to_cpu(rx_desc->wb.middle.length0);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4368
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4369
		if (unlikely(!length)) {
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4370
			E1000_DBG("%s: Last part of the packet spanning"
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4371
				  " multiple descriptors\n", netdev->name);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4372
			dev_kfree_skb_irq(skb);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4373
			goto next_desc;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4374
		}
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4375
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4376
		/* Good Receive */
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4377
		skb_put(skb, length);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4378
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4379
		{
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4380
		/* this looks ugly, but it seems compiler issues make it
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4381
		   more efficient than reusing j */
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4382
		int l1 = le16_to_cpu(rx_desc->wb.upper.length[0]);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4383
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4384
		/* page alloc/put takes too long and effects small packet
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4385
		 * throughput, so unsplit small packets and save the alloc/put*/
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4386
		if (l1 && (l1 <= copybreak) && ((length + l1) <= adapter->rx_ps_bsize0)) {
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4387
			u8 *vaddr;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4388
			/* there is no documentation about how to call
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4389
			 * kmap_atomic, so we can't hold the mapping
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4390
			 * very long */
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4391
			pci_dma_sync_single_for_cpu(pdev,
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4392
				ps_page_dma->ps_page_dma[0],
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4393
				PAGE_SIZE,
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4394
				PCI_DMA_FROMDEVICE);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4395
			vaddr = kmap_atomic(ps_page->ps_page[0],
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4396
			                    KM_SKB_DATA_SOFTIRQ);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4397
			memcpy(skb_tail_pointer(skb), vaddr, l1);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4398
			kunmap_atomic(vaddr, KM_SKB_DATA_SOFTIRQ);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4399
			pci_dma_sync_single_for_device(pdev,
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4400
				ps_page_dma->ps_page_dma[0],
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4401
				PAGE_SIZE, PCI_DMA_FROMDEVICE);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4402
			/* remove the CRC */
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4403
			l1 -= 4;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4404
			skb_put(skb, l1);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4405
			goto copydone;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4406
		} /* if */
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4407
		}
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4408
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4409
		for (j = 0; j < adapter->rx_ps_pages; j++) {
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4410
			if (!(length= le16_to_cpu(rx_desc->wb.upper.length[j])))
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4411
				break;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4412
			pci_unmap_page(pdev, ps_page_dma->ps_page_dma[j],
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4413
					PAGE_SIZE, PCI_DMA_FROMDEVICE);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4414
			ps_page_dma->ps_page_dma[j] = 0;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4415
			skb_fill_page_desc(skb, j, ps_page->ps_page[j], 0,
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4416
			                   length);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4417
			ps_page->ps_page[j] = NULL;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4418
			skb->len += length;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4419
			skb->data_len += length;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4420
			skb->truesize += length;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4421
		}
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4422
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4423
		/* strip the ethernet crc, problem is we're using pages now so
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4424
		 * this whole operation can get a little cpu intensive */
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4425
		pskb_trim(skb, skb->len - 4);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4426
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4427
copydone:
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4428
		total_rx_bytes += skb->len;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4429
		total_rx_packets++;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4430
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4431
		e1000_rx_checksum(adapter, staterr,
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4432
				  le16_to_cpu(rx_desc->wb.lower.hi_dword.csum_ip.csum), skb);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4433
		skb->protocol = eth_type_trans(skb, netdev);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4434
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4435
		if (likely(rx_desc->wb.upper.header_status &
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4436
			   cpu_to_le16(E1000_RXDPS_HDRSTAT_HDRSP)))
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4437
			adapter->rx_hdr_split++;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4438
#ifdef CONFIG_E1000_NAPI
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4439
		if (unlikely(adapter->vlgrp && (staterr & E1000_RXD_STAT_VP))) {
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4440
			vlan_hwaccel_receive_skb(skb, adapter->vlgrp,
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4441
				le16_to_cpu(rx_desc->wb.middle.vlan) &
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4442
				E1000_RXD_SPC_VLAN_MASK);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4443
		} else {
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4444
			netif_receive_skb(skb);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4445
		}
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4446
#else /* CONFIG_E1000_NAPI */
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4447
		if (unlikely(adapter->vlgrp && (staterr & E1000_RXD_STAT_VP))) {
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4448
			vlan_hwaccel_rx(skb, adapter->vlgrp,
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4449
				le16_to_cpu(rx_desc->wb.middle.vlan) &
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4450
				E1000_RXD_SPC_VLAN_MASK);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4451
		} else {
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4452
			netif_rx(skb);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4453
		}
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4454
#endif /* CONFIG_E1000_NAPI */
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4455
		netdev->last_rx = jiffies;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4456
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4457
next_desc:
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4458
		rx_desc->wb.middle.status_error &= cpu_to_le32(~0xFF);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4459
		buffer_info->skb = NULL;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4460
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4461
		/* return some buffers to hardware, one at a time is too slow */
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4462
		if (unlikely(cleaned_count >= E1000_RX_BUFFER_WRITE)) {
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4463
			adapter->alloc_rx_buf(adapter, rx_ring, cleaned_count);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4464
			cleaned_count = 0;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4465
		}
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4466
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4467
		/* use prefetched values */
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4468
		rx_desc = next_rxd;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4469
		buffer_info = next_buffer;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4470
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4471
		staterr = le32_to_cpu(rx_desc->wb.middle.status_error);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4472
	}
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4473
	rx_ring->next_to_clean = i;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4474
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4475
	cleaned_count = E1000_DESC_UNUSED(rx_ring);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4476
	if (cleaned_count)
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4477
		adapter->alloc_rx_buf(adapter, rx_ring, cleaned_count);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4478
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4479
	adapter->total_rx_packets += total_rx_packets;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4480
	adapter->total_rx_bytes += total_rx_bytes;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4481
	return cleaned;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4482
}
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4483
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4484
/**
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4485
 * e1000_alloc_rx_buffers - Replace used receive buffers; legacy & extended
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4486
 * @adapter: address of board private structure
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4487
 **/
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4488
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4489
static void
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4490
e1000_alloc_rx_buffers(struct e1000_adapter *adapter,
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4491
                       struct e1000_rx_ring *rx_ring,
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4492
		       int cleaned_count)
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4493
{
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4494
	struct net_device *netdev = adapter->netdev;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4495
	struct pci_dev *pdev = adapter->pdev;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4496
	struct e1000_rx_desc *rx_desc;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4497
	struct e1000_buffer *buffer_info;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4498
	struct sk_buff *skb;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4499
	unsigned int i;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4500
	unsigned int bufsz = adapter->rx_buffer_len + NET_IP_ALIGN;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4501
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4502
	i = rx_ring->next_to_use;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4503
	buffer_info = &rx_ring->buffer_info[i];
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4504
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4505
	while (cleaned_count--) {
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4506
		skb = buffer_info->skb;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4507
		if (skb) {
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4508
			skb_trim(skb, 0);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4509
			goto map_skb;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4510
		}
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4511
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4512
		skb = netdev_alloc_skb(netdev, bufsz);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4513
		if (unlikely(!skb)) {
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4514
			/* Better luck next round */
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4515
			adapter->alloc_rx_buff_failed++;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4516
			break;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4517
		}
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4518
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4519
		/* Fix for errata 23, can't cross 64kB boundary */
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4520
		if (!e1000_check_64k_bound(adapter, skb->data, bufsz)) {
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4521
			struct sk_buff *oldskb = skb;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4522
			DPRINTK(RX_ERR, ERR, "skb align check failed: %u bytes "
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4523
					     "at %p\n", bufsz, skb->data);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4524
			/* Try again, without freeing the previous */
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4525
			skb = netdev_alloc_skb(netdev, bufsz);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4526
			/* Failed allocation, critical failure */
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4527
			if (!skb) {
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4528
				dev_kfree_skb(oldskb);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4529
				break;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4530
			}
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4531
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4532
			if (!e1000_check_64k_bound(adapter, skb->data, bufsz)) {
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4533
				/* give up */
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4534
				dev_kfree_skb(skb);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4535
				dev_kfree_skb(oldskb);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4536
				break; /* while !buffer_info->skb */
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4537
			}
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4538
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4539
			/* Use new allocation */
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4540
			dev_kfree_skb(oldskb);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4541
		}
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4542
		/* Make buffer alignment 2 beyond a 16 byte boundary
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4543
		 * this will result in a 16 byte aligned IP header after
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4544
		 * the 14 byte MAC header is removed
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4545
		 */
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4546
		skb_reserve(skb, NET_IP_ALIGN);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4547
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4548
		buffer_info->skb = skb;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4549
		buffer_info->length = adapter->rx_buffer_len;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4550
map_skb:
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4551
		buffer_info->dma = pci_map_single(pdev,
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4552
						  skb->data,
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4553
						  adapter->rx_buffer_len,
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4554
						  PCI_DMA_FROMDEVICE);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4555
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4556
		/* Fix for errata 23, can't cross 64kB boundary */
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4557
		if (!e1000_check_64k_bound(adapter,
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4558
					(void *)(unsigned long)buffer_info->dma,
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4559
					adapter->rx_buffer_len)) {
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4560
			DPRINTK(RX_ERR, ERR,
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4561
				"dma align check failed: %u bytes at %p\n",
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4562
				adapter->rx_buffer_len,
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4563
				(void *)(unsigned long)buffer_info->dma);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4564
			dev_kfree_skb(skb);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4565
			buffer_info->skb = NULL;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4566
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4567
			pci_unmap_single(pdev, buffer_info->dma,
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4568
					 adapter->rx_buffer_len,
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4569
					 PCI_DMA_FROMDEVICE);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4570
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4571
			break; /* while !buffer_info->skb */
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4572
		}
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4573
		rx_desc = E1000_RX_DESC(*rx_ring, i);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4574
		rx_desc->buffer_addr = cpu_to_le64(buffer_info->dma);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4575
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4576
		if (unlikely(++i == rx_ring->count))
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4577
			i = 0;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4578
		buffer_info = &rx_ring->buffer_info[i];
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4579
	}
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4580
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4581
	if (likely(rx_ring->next_to_use != i)) {
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4582
		rx_ring->next_to_use = i;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4583
		if (unlikely(i-- == 0))
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4584
			i = (rx_ring->count - 1);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4585
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4586
		/* Force memory writes to complete before letting h/w
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4587
		 * know there are new descriptors to fetch.  (Only
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4588
		 * applicable for weak-ordered memory model archs,
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4589
		 * such as IA-64). */
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4590
		wmb();
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4591
		writel(i, adapter->hw.hw_addr + rx_ring->rdt);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4592
	}
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4593
}
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4594
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4595
/**
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4596
 * e1000_alloc_rx_buffers_ps - Replace used receive buffers; packet split
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4597
 * @adapter: address of board private structure
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4598
 **/
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4599
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4600
static void
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4601
e1000_alloc_rx_buffers_ps(struct e1000_adapter *adapter,
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4602
                          struct e1000_rx_ring *rx_ring,
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4603
			  int cleaned_count)
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4604
{
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4605
	struct net_device *netdev = adapter->netdev;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4606
	struct pci_dev *pdev = adapter->pdev;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4607
	union e1000_rx_desc_packet_split *rx_desc;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4608
	struct e1000_buffer *buffer_info;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4609
	struct e1000_ps_page *ps_page;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4610
	struct e1000_ps_page_dma *ps_page_dma;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4611
	struct sk_buff *skb;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4612
	unsigned int i, j;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4613
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4614
	i = rx_ring->next_to_use;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4615
	buffer_info = &rx_ring->buffer_info[i];
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4616
	ps_page = &rx_ring->ps_page[i];
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4617
	ps_page_dma = &rx_ring->ps_page_dma[i];
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4618
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4619
	while (cleaned_count--) {
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4620
		rx_desc = E1000_RX_DESC_PS(*rx_ring, i);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4621
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4622
		for (j = 0; j < PS_PAGE_BUFFERS; j++) {
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4623
			if (j < adapter->rx_ps_pages) {
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4624
				if (likely(!ps_page->ps_page[j])) {
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4625
					ps_page->ps_page[j] =
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4626
						alloc_page(GFP_ATOMIC);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4627
					if (unlikely(!ps_page->ps_page[j])) {
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4628
						adapter->alloc_rx_buff_failed++;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4629
						goto no_buffers;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4630
					}
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4631
					ps_page_dma->ps_page_dma[j] =
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4632
						pci_map_page(pdev,
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4633
							    ps_page->ps_page[j],
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4634
							    0, PAGE_SIZE,
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4635
							    PCI_DMA_FROMDEVICE);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4636
				}
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4637
				/* Refresh the desc even if buffer_addrs didn't
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4638
				 * change because each write-back erases
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4639
				 * this info.
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4640
				 */
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4641
				rx_desc->read.buffer_addr[j+1] =
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4642
				     cpu_to_le64(ps_page_dma->ps_page_dma[j]);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4643
			} else
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4644
				rx_desc->read.buffer_addr[j+1] = ~0;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4645
		}
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4646
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4647
		skb = netdev_alloc_skb(netdev,
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4648
		                       adapter->rx_ps_bsize0 + NET_IP_ALIGN);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4649
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4650
		if (unlikely(!skb)) {
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4651
			adapter->alloc_rx_buff_failed++;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4652
			break;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4653
		}
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4654
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4655
		/* Make buffer alignment 2 beyond a 16 byte boundary
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4656
		 * this will result in a 16 byte aligned IP header after
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4657
		 * the 14 byte MAC header is removed
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4658
		 */
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4659
		skb_reserve(skb, NET_IP_ALIGN);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4660
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4661
		buffer_info->skb = skb;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4662
		buffer_info->length = adapter->rx_ps_bsize0;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4663
		buffer_info->dma = pci_map_single(pdev, skb->data,
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4664
						  adapter->rx_ps_bsize0,
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4665
						  PCI_DMA_FROMDEVICE);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4666
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4667
		rx_desc->read.buffer_addr[0] = cpu_to_le64(buffer_info->dma);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4668
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4669
		if (unlikely(++i == rx_ring->count)) i = 0;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4670
		buffer_info = &rx_ring->buffer_info[i];
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4671
		ps_page = &rx_ring->ps_page[i];
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4672
		ps_page_dma = &rx_ring->ps_page_dma[i];
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4673
	}
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4674
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4675
no_buffers:
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4676
	if (likely(rx_ring->next_to_use != i)) {
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4677
		rx_ring->next_to_use = i;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4678
		if (unlikely(i-- == 0)) i = (rx_ring->count - 1);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4679
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4680
		/* Force memory writes to complete before letting h/w
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4681
		 * know there are new descriptors to fetch.  (Only
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4682
		 * applicable for weak-ordered memory model archs,
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4683
		 * such as IA-64). */
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4684
		wmb();
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4685
		/* Hardware increments by 16 bytes, but packet split
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4686
		 * descriptors are 32 bytes...so we increment tail
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4687
		 * twice as much.
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4688
		 */
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4689
		writel(i<<1, adapter->hw.hw_addr + rx_ring->rdt);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4690
	}
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4691
}
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4692
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4693
/**
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4694
 * e1000_smartspeed - Workaround for SmartSpeed on 82541 and 82547 controllers.
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4695
 * @adapter:
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4696
 **/
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4697
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4698
static void
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4699
e1000_smartspeed(struct e1000_adapter *adapter)
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4700
{
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4701
	uint16_t phy_status;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4702
	uint16_t phy_ctrl;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4703
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4704
	if ((adapter->hw.phy_type != e1000_phy_igp) || !adapter->hw.autoneg ||
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4705
	   !(adapter->hw.autoneg_advertised & ADVERTISE_1000_FULL))
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4706
		return;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4707
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4708
	if (adapter->smartspeed == 0) {
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4709
		/* If Master/Slave config fault is asserted twice,
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4710
		 * we assume back-to-back */
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4711
		e1000_read_phy_reg(&adapter->hw, PHY_1000T_STATUS, &phy_status);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4712
		if (!(phy_status & SR_1000T_MS_CONFIG_FAULT)) return;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4713
		e1000_read_phy_reg(&adapter->hw, PHY_1000T_STATUS, &phy_status);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4714
		if (!(phy_status & SR_1000T_MS_CONFIG_FAULT)) return;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4715
		e1000_read_phy_reg(&adapter->hw, PHY_1000T_CTRL, &phy_ctrl);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4716
		if (phy_ctrl & CR_1000T_MS_ENABLE) {
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4717
			phy_ctrl &= ~CR_1000T_MS_ENABLE;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4718
			e1000_write_phy_reg(&adapter->hw, PHY_1000T_CTRL,
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4719
					    phy_ctrl);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4720
			adapter->smartspeed++;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4721
			if (!e1000_phy_setup_autoneg(&adapter->hw) &&
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4722
			   !e1000_read_phy_reg(&adapter->hw, PHY_CTRL,
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4723
				   	       &phy_ctrl)) {
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4724
				phy_ctrl |= (MII_CR_AUTO_NEG_EN |
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4725
					     MII_CR_RESTART_AUTO_NEG);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4726
				e1000_write_phy_reg(&adapter->hw, PHY_CTRL,
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4727
						    phy_ctrl);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4728
			}
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4729
		}
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4730
		return;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4731
	} else if (adapter->smartspeed == E1000_SMARTSPEED_DOWNSHIFT) {
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4732
		/* If still no link, perhaps using 2/3 pair cable */
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4733
		e1000_read_phy_reg(&adapter->hw, PHY_1000T_CTRL, &phy_ctrl);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4734
		phy_ctrl |= CR_1000T_MS_ENABLE;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4735
		e1000_write_phy_reg(&adapter->hw, PHY_1000T_CTRL, phy_ctrl);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4736
		if (!e1000_phy_setup_autoneg(&adapter->hw) &&
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4737
		   !e1000_read_phy_reg(&adapter->hw, PHY_CTRL, &phy_ctrl)) {
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4738
			phy_ctrl |= (MII_CR_AUTO_NEG_EN |
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4739
				     MII_CR_RESTART_AUTO_NEG);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4740
			e1000_write_phy_reg(&adapter->hw, PHY_CTRL, phy_ctrl);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4741
		}
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4742
	}
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4743
	/* Restart process after E1000_SMARTSPEED_MAX iterations */
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4744
	if (adapter->smartspeed++ == E1000_SMARTSPEED_MAX)
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4745
		adapter->smartspeed = 0;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4746
}
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4747
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4748
/**
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4749
 * e1000_ioctl -
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4750
 * @netdev:
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4751
 * @ifreq:
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4752
 * @cmd:
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4753
 **/
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4754
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4755
static int
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4756
e1000_ioctl(struct net_device *netdev, struct ifreq *ifr, int cmd)
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4757
{
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4758
	switch (cmd) {
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4759
	case SIOCGMIIPHY:
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4760
	case SIOCGMIIREG:
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4761
	case SIOCSMIIREG:
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4762
		return e1000_mii_ioctl(netdev, ifr, cmd);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4763
	default:
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4764
		return -EOPNOTSUPP;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4765
	}
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4766
}
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4767
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4768
/**
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4769
 * e1000_mii_ioctl -
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4770
 * @netdev:
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4771
 * @ifreq:
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4772
 * @cmd:
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4773
 **/
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4774
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4775
static int
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4776
e1000_mii_ioctl(struct net_device *netdev, struct ifreq *ifr, int cmd)
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4777
{
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4778
	struct e1000_adapter *adapter = netdev_priv(netdev);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4779
	struct mii_ioctl_data *data = if_mii(ifr);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4780
	int retval;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4781
	uint16_t mii_reg;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4782
	uint16_t spddplx;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4783
	unsigned long flags;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4784
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4785
	if (adapter->hw.media_type != e1000_media_type_copper)
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4786
		return -EOPNOTSUPP;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4787
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4788
	switch (cmd) {
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4789
	case SIOCGMIIPHY:
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4790
		data->phy_id = adapter->hw.phy_addr;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4791
		break;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4792
	case SIOCGMIIREG:
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4793
		if (!capable(CAP_NET_ADMIN))
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4794
			return -EPERM;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4795
		spin_lock_irqsave(&adapter->stats_lock, flags);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4796
		if (e1000_read_phy_reg(&adapter->hw, data->reg_num & 0x1F,
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4797
				   &data->val_out)) {
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4798
			spin_unlock_irqrestore(&adapter->stats_lock, flags);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4799
			return -EIO;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4800
		}
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4801
		spin_unlock_irqrestore(&adapter->stats_lock, flags);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4802
		break;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4803
	case SIOCSMIIREG:
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4804
		if (!capable(CAP_NET_ADMIN))
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4805
			return -EPERM;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4806
		if (data->reg_num & ~(0x1F))
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4807
			return -EFAULT;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4808
		mii_reg = data->val_in;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4809
		spin_lock_irqsave(&adapter->stats_lock, flags);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4810
		if (e1000_write_phy_reg(&adapter->hw, data->reg_num,
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4811
					mii_reg)) {
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4812
			spin_unlock_irqrestore(&adapter->stats_lock, flags);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4813
			return -EIO;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4814
		}
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4815
		if (adapter->hw.media_type == e1000_media_type_copper) {
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4816
			switch (data->reg_num) {
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4817
			case PHY_CTRL:
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4818
				if (mii_reg & MII_CR_POWER_DOWN)
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4819
					break;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4820
				if (mii_reg & MII_CR_AUTO_NEG_EN) {
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4821
					adapter->hw.autoneg = 1;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4822
					adapter->hw.autoneg_advertised = 0x2F;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4823
				} else {
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4824
					if (mii_reg & 0x40)
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4825
						spddplx = SPEED_1000;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4826
					else if (mii_reg & 0x2000)
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4827
						spddplx = SPEED_100;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4828
					else
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4829
						spddplx = SPEED_10;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4830
					spddplx += (mii_reg & 0x100)
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4831
						   ? DUPLEX_FULL :
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4832
						   DUPLEX_HALF;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4833
					retval = e1000_set_spd_dplx(adapter,
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4834
								    spddplx);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4835
					if (retval) {
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4836
						spin_unlock_irqrestore(
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4837
							&adapter->stats_lock,
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4838
							flags);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4839
						return retval;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4840
					}
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4841
				}
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4842
				if (netif_running(adapter->netdev))
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4843
					e1000_reinit_locked(adapter);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4844
				else
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4845
					e1000_reset(adapter);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4846
				break;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4847
			case M88E1000_PHY_SPEC_CTRL:
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4848
			case M88E1000_EXT_PHY_SPEC_CTRL:
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4849
				if (e1000_phy_reset(&adapter->hw)) {
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4850
					spin_unlock_irqrestore(
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4851
						&adapter->stats_lock, flags);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4852
					return -EIO;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4853
				}
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4854
				break;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4855
			}
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4856
		} else {
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4857
			switch (data->reg_num) {
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4858
			case PHY_CTRL:
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4859
				if (mii_reg & MII_CR_POWER_DOWN)
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4860
					break;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4861
				if (netif_running(adapter->netdev))
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4862
					e1000_reinit_locked(adapter);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4863
				else
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4864
					e1000_reset(adapter);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4865
				break;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4866
			}
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4867
		}
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4868
		spin_unlock_irqrestore(&adapter->stats_lock, flags);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4869
		break;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4870
	default:
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4871
		return -EOPNOTSUPP;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4872
	}
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4873
	return E1000_SUCCESS;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4874
}
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4875
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4876
void
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4877
e1000_pci_set_mwi(struct e1000_hw *hw)
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4878
{
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4879
	struct e1000_adapter *adapter = hw->back;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4880
	int ret_val = pci_set_mwi(adapter->pdev);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4881
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4882
	if (ret_val)
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4883
		DPRINTK(PROBE, ERR, "Error in setting MWI\n");
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4884
}
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4885
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4886
void
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4887
e1000_pci_clear_mwi(struct e1000_hw *hw)
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4888
{
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4889
	struct e1000_adapter *adapter = hw->back;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4890
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4891
	pci_clear_mwi(adapter->pdev);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4892
}
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4893
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4894
void
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4895
e1000_read_pci_cfg(struct e1000_hw *hw, uint32_t reg, uint16_t *value)
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4896
{
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4897
	struct e1000_adapter *adapter = hw->back;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4898
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4899
	pci_read_config_word(adapter->pdev, reg, value);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4900
}
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4901
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4902
void
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4903
e1000_write_pci_cfg(struct e1000_hw *hw, uint32_t reg, uint16_t *value)
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4904
{
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4905
	struct e1000_adapter *adapter = hw->back;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4906
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4907
	pci_write_config_word(adapter->pdev, reg, *value);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4908
}
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4909
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4910
int32_t
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4911
e1000_read_pcie_cap_reg(struct e1000_hw *hw, uint32_t reg, uint16_t *value)
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4912
{
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4913
    struct e1000_adapter *adapter = hw->back;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4914
    uint16_t cap_offset;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4915
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4916
    cap_offset = pci_find_capability(adapter->pdev, PCI_CAP_ID_EXP);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4917
    if (!cap_offset)
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4918
        return -E1000_ERR_CONFIG;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4919
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4920
    pci_read_config_word(adapter->pdev, cap_offset + reg, value);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4921
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4922
    return E1000_SUCCESS;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4923
}
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4924
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4925
void
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4926
e1000_io_write(struct e1000_hw *hw, unsigned long port, uint32_t value)
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4927
{
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4928
	outl(value, port);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4929
}
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4930
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4931
static void
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4932
e1000_vlan_rx_register(struct net_device *netdev, struct vlan_group *grp)
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4933
{
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4934
	struct e1000_adapter *adapter = netdev_priv(netdev);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4935
	uint32_t ctrl, rctl;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4936
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4937
	e1000_irq_disable(adapter);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4938
	adapter->vlgrp = grp;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4939
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4940
	if (grp) {
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4941
		/* enable VLAN tag insert/strip */
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4942
		ctrl = E1000_READ_REG(&adapter->hw, CTRL);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4943
		ctrl |= E1000_CTRL_VME;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4944
		E1000_WRITE_REG(&adapter->hw, CTRL, ctrl);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4945
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4946
		if (adapter->hw.mac_type != e1000_ich8lan) {
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4947
			/* enable VLAN receive filtering */
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4948
			rctl = E1000_READ_REG(&adapter->hw, RCTL);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4949
			rctl |= E1000_RCTL_VFE;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4950
			rctl &= ~E1000_RCTL_CFIEN;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4951
			E1000_WRITE_REG(&adapter->hw, RCTL, rctl);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4952
			e1000_update_mng_vlan(adapter);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4953
		}
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4954
	} else {
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4955
		/* disable VLAN tag insert/strip */
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4956
		ctrl = E1000_READ_REG(&adapter->hw, CTRL);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4957
		ctrl &= ~E1000_CTRL_VME;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4958
		E1000_WRITE_REG(&adapter->hw, CTRL, ctrl);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4959
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4960
		if (adapter->hw.mac_type != e1000_ich8lan) {
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4961
			/* disable VLAN filtering */
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4962
			rctl = E1000_READ_REG(&adapter->hw, RCTL);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4963
			rctl &= ~E1000_RCTL_VFE;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4964
			E1000_WRITE_REG(&adapter->hw, RCTL, rctl);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4965
			if (adapter->mng_vlan_id !=
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4966
			    (uint16_t)E1000_MNG_VLAN_NONE) {
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4967
				e1000_vlan_rx_kill_vid(netdev,
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4968
				                       adapter->mng_vlan_id);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4969
				adapter->mng_vlan_id = E1000_MNG_VLAN_NONE;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4970
			}
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4971
		}
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4972
	}
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4973
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4974
	e1000_irq_enable(adapter);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4975
}
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4976
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4977
static void
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4978
e1000_vlan_rx_add_vid(struct net_device *netdev, uint16_t vid)
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4979
{
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4980
	struct e1000_adapter *adapter = netdev_priv(netdev);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4981
	uint32_t vfta, index;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4982
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4983
	if ((adapter->hw.mng_cookie.status &
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4984
	     E1000_MNG_DHCP_COOKIE_STATUS_VLAN_SUPPORT) &&
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4985
	    (vid == adapter->mng_vlan_id))
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4986
		return;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4987
	/* add VID to filter table */
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4988
	index = (vid >> 5) & 0x7F;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4989
	vfta = E1000_READ_REG_ARRAY(&adapter->hw, VFTA, index);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4990
	vfta |= (1 << (vid & 0x1F));
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4991
	e1000_write_vfta(&adapter->hw, index, vfta);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4992
}
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4993
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4994
static void
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4995
e1000_vlan_rx_kill_vid(struct net_device *netdev, uint16_t vid)
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4996
{
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4997
	struct e1000_adapter *adapter = netdev_priv(netdev);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4998
	uint32_t vfta, index;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4999
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5000
	e1000_irq_disable(adapter);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5001
	vlan_group_set_device(adapter->vlgrp, vid, NULL);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5002
	e1000_irq_enable(adapter);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5003
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5004
	if ((adapter->hw.mng_cookie.status &
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5005
	     E1000_MNG_DHCP_COOKIE_STATUS_VLAN_SUPPORT) &&
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5006
	    (vid == adapter->mng_vlan_id)) {
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5007
		/* release control to f/w */
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5008
		e1000_release_hw_control(adapter);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5009
		return;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5010
	}
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5011
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5012
	/* remove VID from filter table */
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5013
	index = (vid >> 5) & 0x7F;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5014
	vfta = E1000_READ_REG_ARRAY(&adapter->hw, VFTA, index);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5015
	vfta &= ~(1 << (vid & 0x1F));
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5016
	e1000_write_vfta(&adapter->hw, index, vfta);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5017
}
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5018
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5019
static void
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5020
e1000_restore_vlan(struct e1000_adapter *adapter)
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5021
{
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5022
	e1000_vlan_rx_register(adapter->netdev, adapter->vlgrp);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5023
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5024
	if (adapter->vlgrp) {
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5025
		uint16_t vid;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5026
		for (vid = 0; vid < VLAN_GROUP_ARRAY_LEN; vid++) {
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5027
			if (!vlan_group_get_device(adapter->vlgrp, vid))
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5028
				continue;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5029
			e1000_vlan_rx_add_vid(adapter->netdev, vid);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5030
		}
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5031
	}
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5032
}
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5033
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5034
int
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5035
e1000_set_spd_dplx(struct e1000_adapter *adapter, uint16_t spddplx)
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5036
{
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5037
	adapter->hw.autoneg = 0;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5038
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5039
	/* Fiber NICs only allow 1000 gbps Full duplex */
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5040
	if ((adapter->hw.media_type == e1000_media_type_fiber) &&
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5041
		spddplx != (SPEED_1000 + DUPLEX_FULL)) {
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5042
		DPRINTK(PROBE, ERR, "Unsupported Speed/Duplex configuration\n");
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5043
		return -EINVAL;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5044
	}
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5045
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5046
	switch (spddplx) {
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5047
	case SPEED_10 + DUPLEX_HALF:
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5048
		adapter->hw.forced_speed_duplex = e1000_10_half;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5049
		break;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5050
	case SPEED_10 + DUPLEX_FULL:
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5051
		adapter->hw.forced_speed_duplex = e1000_10_full;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5052
		break;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5053
	case SPEED_100 + DUPLEX_HALF:
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5054
		adapter->hw.forced_speed_duplex = e1000_100_half;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5055
		break;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5056
	case SPEED_100 + DUPLEX_FULL:
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5057
		adapter->hw.forced_speed_duplex = e1000_100_full;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5058
		break;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5059
	case SPEED_1000 + DUPLEX_FULL:
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5060
		adapter->hw.autoneg = 1;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5061
		adapter->hw.autoneg_advertised = ADVERTISE_1000_FULL;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5062
		break;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5063
	case SPEED_1000 + DUPLEX_HALF: /* not supported */
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5064
	default:
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5065
		DPRINTK(PROBE, ERR, "Unsupported Speed/Duplex configuration\n");
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5066
		return -EINVAL;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5067
	}
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5068
	return 0;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5069
}
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5070
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5071
static int
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5072
e1000_suspend(struct pci_dev *pdev, pm_message_t state)
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5073
{
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5074
	struct net_device *netdev = pci_get_drvdata(pdev);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5075
	struct e1000_adapter *adapter = netdev_priv(netdev);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5076
	uint32_t ctrl, ctrl_ext, rctl, status;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5077
	uint32_t wufc = adapter->wol;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5078
#ifdef CONFIG_PM
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5079
	int retval = 0;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5080
#endif
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5081
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5082
	netif_device_detach(netdev);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5083
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5084
	if (netif_running(netdev)) {
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5085
		WARN_ON(test_bit(__E1000_RESETTING, &adapter->flags));
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5086
		e1000_down(adapter);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5087
	}
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5088
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5089
#ifdef CONFIG_PM
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5090
	retval = pci_save_state(pdev);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5091
	if (retval)
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5092
		return retval;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5093
#endif
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5094
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5095
	status = E1000_READ_REG(&adapter->hw, STATUS);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5096
	if (status & E1000_STATUS_LU)
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5097
		wufc &= ~E1000_WUFC_LNKC;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5098
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5099
	if (wufc) {
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5100
		e1000_setup_rctl(adapter);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5101
		e1000_set_multi(netdev);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5102
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5103
		/* turn on all-multi mode if wake on multicast is enabled */
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5104
		if (wufc & E1000_WUFC_MC) {
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5105
			rctl = E1000_READ_REG(&adapter->hw, RCTL);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5106
			rctl |= E1000_RCTL_MPE;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5107
			E1000_WRITE_REG(&adapter->hw, RCTL, rctl);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5108
		}
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5109
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5110
		if (adapter->hw.mac_type >= e1000_82540) {
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5111
			ctrl = E1000_READ_REG(&adapter->hw, CTRL);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5112
			/* advertise wake from D3Cold */
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5113
			#define E1000_CTRL_ADVD3WUC 0x00100000
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5114
			/* phy power management enable */
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5115
			#define E1000_CTRL_EN_PHY_PWR_MGMT 0x00200000
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5116
			ctrl |= E1000_CTRL_ADVD3WUC |
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5117
				E1000_CTRL_EN_PHY_PWR_MGMT;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5118
			E1000_WRITE_REG(&adapter->hw, CTRL, ctrl);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5119
		}
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5120
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5121
		if (adapter->hw.media_type == e1000_media_type_fiber ||
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5122
		   adapter->hw.media_type == e1000_media_type_internal_serdes) {
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5123
			/* keep the laser running in D3 */
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5124
			ctrl_ext = E1000_READ_REG(&adapter->hw, CTRL_EXT);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5125
			ctrl_ext |= E1000_CTRL_EXT_SDP7_DATA;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5126
			E1000_WRITE_REG(&adapter->hw, CTRL_EXT, ctrl_ext);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5127
		}
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5128
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5129
		/* Allow time for pending master requests to run */
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5130
		e1000_disable_pciex_master(&adapter->hw);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5131
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5132
		E1000_WRITE_REG(&adapter->hw, WUC, E1000_WUC_PME_EN);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5133
		E1000_WRITE_REG(&adapter->hw, WUFC, wufc);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5134
		pci_enable_wake(pdev, PCI_D3hot, 1);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5135
		pci_enable_wake(pdev, PCI_D3cold, 1);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5136
	} else {
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5137
		E1000_WRITE_REG(&adapter->hw, WUC, 0);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5138
		E1000_WRITE_REG(&adapter->hw, WUFC, 0);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5139
		pci_enable_wake(pdev, PCI_D3hot, 0);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5140
		pci_enable_wake(pdev, PCI_D3cold, 0);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5141
	}
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5142
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5143
	e1000_release_manageability(adapter);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5144
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5145
	/* make sure adapter isn't asleep if manageability is enabled */
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5146
	if (adapter->en_mng_pt) {
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5147
		pci_enable_wake(pdev, PCI_D3hot, 1);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5148
		pci_enable_wake(pdev, PCI_D3cold, 1);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5149
	}
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5150
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5151
	if (adapter->hw.phy_type == e1000_phy_igp_3)
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5152
		e1000_phy_powerdown_workaround(&adapter->hw);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5153
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5154
	if (netif_running(netdev))
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5155
		e1000_free_irq(adapter);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5156
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5157
	/* Release control of h/w to f/w.  If f/w is AMT enabled, this
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5158
	 * would have already happened in close and is redundant. */
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5159
	e1000_release_hw_control(adapter);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5160
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5161
	pci_disable_device(pdev);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5162
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5163
	pci_set_power_state(pdev, pci_choose_state(pdev, state));
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5164
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5165
	return 0;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5166
}
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5167
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5168
#ifdef CONFIG_PM
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5169
static int
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5170
e1000_resume(struct pci_dev *pdev)
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5171
{
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5172
	struct net_device *netdev = pci_get_drvdata(pdev);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5173
	struct e1000_adapter *adapter = netdev_priv(netdev);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5174
	uint32_t err;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5175
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5176
	pci_set_power_state(pdev, PCI_D0);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5177
	pci_restore_state(pdev);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5178
	if ((err = pci_enable_device(pdev))) {
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5179
		printk(KERN_ERR "e1000: Cannot enable PCI device from suspend\n");
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5180
		return err;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5181
	}
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5182
	pci_set_master(pdev);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5183
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5184
	pci_enable_wake(pdev, PCI_D3hot, 0);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5185
	pci_enable_wake(pdev, PCI_D3cold, 0);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5186
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5187
	if (netif_running(netdev) && (err = e1000_request_irq(adapter)))
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5188
		return err;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5189
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5190
	e1000_power_up_phy(adapter);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5191
	e1000_reset(adapter);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5192
	E1000_WRITE_REG(&adapter->hw, WUS, ~0);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5193
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5194
	e1000_init_manageability(adapter);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5195
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5196
	if (netif_running(netdev))
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5197
		e1000_up(adapter);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5198
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5199
	netif_device_attach(netdev);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5200
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5201
	/* If the controller is 82573 and f/w is AMT, do not set
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5202
	 * DRV_LOAD until the interface is up.  For all other cases,
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5203
	 * let the f/w know that the h/w is now under the control
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5204
	 * of the driver. */
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5205
	if (adapter->hw.mac_type != e1000_82573 ||
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5206
	    !e1000_check_mng_mode(&adapter->hw))
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5207
		e1000_get_hw_control(adapter);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5208
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5209
	return 0;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5210
}
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5211
#endif
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5212
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5213
static void e1000_shutdown(struct pci_dev *pdev)
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5214
{
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5215
	e1000_suspend(pdev, PMSG_SUSPEND);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5216
}
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5217
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5218
#ifdef CONFIG_NET_POLL_CONTROLLER
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5219
/*
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5220
 * Polling 'interrupt' - used by things like netconsole to send skbs
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5221
 * without having to re-enable interrupts. It's not called while
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5222
 * the interrupt routine is executing.
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5223
 */
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5224
static void
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5225
e1000_netpoll(struct net_device *netdev)
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5226
{
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5227
	struct e1000_adapter *adapter = netdev_priv(netdev);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5228
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5229
	disable_irq(adapter->pdev->irq);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5230
	e1000_intr(adapter->pdev->irq, netdev);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5231
	e1000_clean_tx_irq(adapter, adapter->tx_ring);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5232
#ifndef CONFIG_E1000_NAPI
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5233
	adapter->clean_rx(adapter, adapter->rx_ring);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5234
#endif
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5235
	enable_irq(adapter->pdev->irq);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5236
}
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5237
#endif
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5238
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5239
/**
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5240
 * e1000_io_error_detected - called when PCI error is detected
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5241
 * @pdev: Pointer to PCI device
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5242
 * @state: The current pci conneection state
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5243
 *
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5244
 * This function is called after a PCI bus error affecting
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5245
 * this device has been detected.
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5246
 */
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5247
static pci_ers_result_t e1000_io_error_detected(struct pci_dev *pdev, pci_channel_state_t state)
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5248
{
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5249
	struct net_device *netdev = pci_get_drvdata(pdev);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5250
	struct e1000_adapter *adapter = netdev->priv;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5251
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5252
	netif_device_detach(netdev);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5253
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5254
	if (netif_running(netdev))
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5255
		e1000_down(adapter);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5256
	pci_disable_device(pdev);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5257
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5258
	/* Request a slot slot reset. */
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5259
	return PCI_ERS_RESULT_NEED_RESET;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5260
}
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5261
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5262
/**
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5263
 * e1000_io_slot_reset - called after the pci bus has been reset.
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5264
 * @pdev: Pointer to PCI device
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5265
 *
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5266
 * Restart the card from scratch, as if from a cold-boot. Implementation
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5267
 * resembles the first-half of the e1000_resume routine.
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5268
 */
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5269
static pci_ers_result_t e1000_io_slot_reset(struct pci_dev *pdev)
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5270
{
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5271
	struct net_device *netdev = pci_get_drvdata(pdev);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5272
	struct e1000_adapter *adapter = netdev->priv;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5273
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5274
	if (pci_enable_device(pdev)) {
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5275
		printk(KERN_ERR "e1000: Cannot re-enable PCI device after reset.\n");
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5276
		return PCI_ERS_RESULT_DISCONNECT;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5277
	}
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5278
	pci_set_master(pdev);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5279
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5280
	pci_enable_wake(pdev, PCI_D3hot, 0);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5281
	pci_enable_wake(pdev, PCI_D3cold, 0);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5282
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5283
	e1000_reset(adapter);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5284
	E1000_WRITE_REG(&adapter->hw, WUS, ~0);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5285
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5286
	return PCI_ERS_RESULT_RECOVERED;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5287
}
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5288
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5289
/**
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5290
 * e1000_io_resume - called when traffic can start flowing again.
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5291
 * @pdev: Pointer to PCI device
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5292
 *
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5293
 * This callback is called when the error recovery driver tells us that
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5294
 * its OK to resume normal operation. Implementation resembles the
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5295
 * second-half of the e1000_resume routine.
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5296
 */
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5297
static void e1000_io_resume(struct pci_dev *pdev)
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5298
{
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5299
	struct net_device *netdev = pci_get_drvdata(pdev);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5300
	struct e1000_adapter *adapter = netdev->priv;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5301
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5302
	e1000_init_manageability(adapter);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5303
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5304
	if (netif_running(netdev)) {
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5305
		if (e1000_up(adapter)) {
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5306
			printk("e1000: can't bring device back up after reset\n");
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5307
			return;
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5308
		}
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5309
	}
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5310
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5311
	netif_device_attach(netdev);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5312
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5313
	/* If the controller is 82573 and f/w is AMT, do not set
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5314
	 * DRV_LOAD until the interface is up.  For all other cases,
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5315
	 * let the f/w know that the h/w is now under the control
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5316
	 * of the driver. */
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5317
	if (adapter->hw.mac_type != e1000_82573 ||
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5318
	    !e1000_check_mng_mode(&adapter->hw))
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5319
		e1000_get_hw_control(adapter);
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5320
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5321
}
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5322
9999ca1a1953 Added e1000 driver for 2.6.22 (not patched yet).
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5323
/* e1000_main.c */