devices/e1000/e1000_main-2.6.20-ethercat.c
author Florian Pose <fp@igh-essen.com>
Thu, 09 Oct 2008 13:31:50 +0000
changeset 1255 38b7e05b20c1
parent 1154 04bcd38cf8dc
child 1325 16aacb421bd4
permissions -rw-r--r--
Added some slave configuration methods.
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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 "e1000-2.6.20-ethercat.h"
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#include <net/ip6_checksum.h>
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char e1000_driver_name[] = "ec_e1000";
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static char e1000_driver_string[] = "EtherCAT Intel(R) PRO/1000 Network Driver";
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#ifndef CONFIG_E1000_NAPI
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#define DRIVERNAPI
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#else
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#define DRIVERNAPI "-NAPI"
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#endif
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#define DRV_VERSION "7.3.15-k2"DRIVERNAPI
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char e1000_driver_version[] = DRV_VERSION;
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static char e1000_copyright[] = "Copyright (c) 1999-2006 Intel Corporation.";
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/* e1000_pci_tbl - PCI Device ID Table
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 *
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 * Last entry must be all 0s
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 *
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 * Macro expands to...
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 *   {PCI_DEVICE(PCI_VENDOR_ID_INTEL, device_id)}
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 */
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static struct pci_device_id e1000_pci_tbl[] = {
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	INTEL_E1000_ETHERNET_DEVICE(0x1000),
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	INTEL_E1000_ETHERNET_DEVICE(0x1001),
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	INTEL_E1000_ETHERNET_DEVICE(0x1004),
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	INTEL_E1000_ETHERNET_DEVICE(0x1008),
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	INTEL_E1000_ETHERNET_DEVICE(0x1009),
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	INTEL_E1000_ETHERNET_DEVICE(0x100C),
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	INTEL_E1000_ETHERNET_DEVICE(0x100D),
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	INTEL_E1000_ETHERNET_DEVICE(0x100E),
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	INTEL_E1000_ETHERNET_DEVICE(0x100F),
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	INTEL_E1000_ETHERNET_DEVICE(0x1010),
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	INTEL_E1000_ETHERNET_DEVICE(0x1011),
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	INTEL_E1000_ETHERNET_DEVICE(0x1012),
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	INTEL_E1000_ETHERNET_DEVICE(0x1013),
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	INTEL_E1000_ETHERNET_DEVICE(0x1014),
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	INTEL_E1000_ETHERNET_DEVICE(0x1015),
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	INTEL_E1000_ETHERNET_DEVICE(0x1016),
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	INTEL_E1000_ETHERNET_DEVICE(0x1017),
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	INTEL_E1000_ETHERNET_DEVICE(0x1018),
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	INTEL_E1000_ETHERNET_DEVICE(0x1019),
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	INTEL_E1000_ETHERNET_DEVICE(0x101A),
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	INTEL_E1000_ETHERNET_DEVICE(0x101D),
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	INTEL_E1000_ETHERNET_DEVICE(0x101E),
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	INTEL_E1000_ETHERNET_DEVICE(0x1026),
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	INTEL_E1000_ETHERNET_DEVICE(0x1027),
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	INTEL_E1000_ETHERNET_DEVICE(0x1028),
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	INTEL_E1000_ETHERNET_DEVICE(0x1049),
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	INTEL_E1000_ETHERNET_DEVICE(0x104A),
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	INTEL_E1000_ETHERNET_DEVICE(0x104B),
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	INTEL_E1000_ETHERNET_DEVICE(0x104C),
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	INTEL_E1000_ETHERNET_DEVICE(0x104D),
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	INTEL_E1000_ETHERNET_DEVICE(0x105E),
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	INTEL_E1000_ETHERNET_DEVICE(0x105F),
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	INTEL_E1000_ETHERNET_DEVICE(0x1060),
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	INTEL_E1000_ETHERNET_DEVICE(0x1075),
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	INTEL_E1000_ETHERNET_DEVICE(0x1076),
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	INTEL_E1000_ETHERNET_DEVICE(0x1077),
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	INTEL_E1000_ETHERNET_DEVICE(0x1078),
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	INTEL_E1000_ETHERNET_DEVICE(0x1079),
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	INTEL_E1000_ETHERNET_DEVICE(0x107A),
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	INTEL_E1000_ETHERNET_DEVICE(0x107B),
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	INTEL_E1000_ETHERNET_DEVICE(0x107C),
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	INTEL_E1000_ETHERNET_DEVICE(0x107D),
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	INTEL_E1000_ETHERNET_DEVICE(0x107E),
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	INTEL_E1000_ETHERNET_DEVICE(0x107F),
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	INTEL_E1000_ETHERNET_DEVICE(0x108A),
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	INTEL_E1000_ETHERNET_DEVICE(0x108B),
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	INTEL_E1000_ETHERNET_DEVICE(0x108C),
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	INTEL_E1000_ETHERNET_DEVICE(0x1096),
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	INTEL_E1000_ETHERNET_DEVICE(0x1098),
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	INTEL_E1000_ETHERNET_DEVICE(0x1099),
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	INTEL_E1000_ETHERNET_DEVICE(0x109A),
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	INTEL_E1000_ETHERNET_DEVICE(0x10A4),
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	INTEL_E1000_ETHERNET_DEVICE(0x10B5),
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	INTEL_E1000_ETHERNET_DEVICE(0x10B9),
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	INTEL_E1000_ETHERNET_DEVICE(0x10BA),
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	INTEL_E1000_ETHERNET_DEVICE(0x10BB),
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	INTEL_E1000_ETHERNET_DEVICE(0x10BC),
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	INTEL_E1000_ETHERNET_DEVICE(0x10C4),
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	INTEL_E1000_ETHERNET_DEVICE(0x10C5),
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	/* required last entry */
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	{0,}
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};
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// do not auto-load driver
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// MODULE_DEVICE_TABLE(pci, e1000_pci_tbl);
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int e1000_up(struct e1000_adapter *adapter);
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void e1000_down(struct e1000_adapter *adapter);
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void e1000_reinit_locked(struct e1000_adapter *adapter);
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void e1000_reset(struct e1000_adapter *adapter);
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int e1000_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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void ec_poll(struct net_device *);
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static irqreturn_t e1000_intr(int irq, void *data);
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#ifdef CONFIG_PCI_MSI
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static irqreturn_t e1000_intr_msi(int irq, void *data);
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#endif
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static boolean_t e1000_clean_tx_irq(struct e1000_adapter *adapter,
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                                    struct e1000_tx_ring *tx_ring);
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#ifdef CONFIG_E1000_NAPI
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static int e1000_clean(struct net_device *poll_dev, int *budget);
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static boolean_t e1000_clean_rx_irq(struct e1000_adapter *adapter,
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                                    struct e1000_rx_ring *rx_ring,
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                                    int *work_done, int work_to_do);
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static boolean_t e1000_clean_rx_irq_ps(struct e1000_adapter *adapter,
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                                       struct e1000_rx_ring *rx_ring,
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                                       int *work_done, int work_to_do);
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#else
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static boolean_t e1000_clean_rx_irq(struct e1000_adapter *adapter,
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                                    struct e1000_rx_ring *rx_ring);
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static boolean_t e1000_clean_rx_irq_ps(struct e1000_adapter *adapter,
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                                       struct e1000_rx_ring *rx_ring);
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#endif
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static void e1000_alloc_rx_buffers(struct e1000_adapter *adapter,
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                                   struct e1000_rx_ring *rx_ring,
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				   int cleaned_count);
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static void e1000_alloc_rx_buffers_ps(struct e1000_adapter *adapter,
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                                      struct e1000_rx_ring *rx_ring,
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				      int cleaned_count);
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static int e1000_ioctl(struct net_device *netdev, struct ifreq *ifr, int cmd);
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static int e1000_mii_ioctl(struct net_device *netdev, struct ifreq *ifr,
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			   int cmd);
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void e1000_set_ethtool_ops(struct net_device *netdev);
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static void e1000_enter_82542_rst(struct e1000_adapter *adapter);
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static void e1000_leave_82542_rst(struct e1000_adapter *adapter);
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static void e1000_tx_timeout(struct net_device *dev);
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static void e1000_reset_task(struct work_struct *work);
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static void e1000_smartspeed(struct e1000_adapter *adapter);
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static int e1000_82547_fifo_workaround(struct e1000_adapter *adapter,
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                                       struct sk_buff *skb);
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static void e1000_vlan_rx_register(struct net_device *netdev, struct vlan_group *grp);
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static void e1000_vlan_rx_add_vid(struct net_device *netdev, uint16_t vid);
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static void e1000_vlan_rx_kill_vid(struct net_device *netdev, uint16_t vid);
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static void e1000_restore_vlan(struct e1000_adapter *adapter);
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static int e1000_suspend(struct pci_dev *pdev, pm_message_t state);
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#ifdef CONFIG_PM
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static int e1000_resume(struct pci_dev *pdev);
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#endif
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static void e1000_shutdown(struct pci_dev *pdev);
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#ifdef CONFIG_NET_POLL_CONTROLLER
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/* for netdump / net console */
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static void e1000_netpoll (struct net_device *netdev);
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#endif
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extern void e1000_check_options(struct e1000_adapter *adapter);
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#define COPYBREAK_DEFAULT 256
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static unsigned int copybreak __read_mostly = COPYBREAK_DEFAULT;
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module_param(copybreak, uint, 0644);
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MODULE_PARM_DESC(copybreak,
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	"Maximum size of packet that is copied to a new buffer on receive");
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static pci_ers_result_t e1000_io_error_detected(struct pci_dev *pdev,
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                     pci_channel_state_t state);
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static pci_ers_result_t e1000_io_slot_reset(struct pci_dev *pdev);
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static void e1000_io_resume(struct pci_dev *pdev);
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static struct pci_error_handlers e1000_err_handler = {
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	.error_detected = e1000_io_error_detected,
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	.slot_reset = e1000_io_slot_reset,
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	.resume = e1000_io_resume,
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};
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static struct pci_driver e1000_driver = {
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	.name     = e1000_driver_name,
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	.id_table = e1000_pci_tbl,
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	.probe    = e1000_probe,
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	.remove   = __devexit_p(e1000_remove),
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#ifdef CONFIG_PM
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	/* Power Managment Hooks */
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	.suspend  = e1000_suspend,
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	.resume   = e1000_resume,
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#endif
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	.shutdown = e1000_shutdown,
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	.err_handler = &e1000_err_handler
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};
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MODULE_AUTHOR("Florian Pose <fp@igh-essen.com>");
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MODULE_DESCRIPTION("EtherCAT-capable Intel(R) PRO/1000 Network Driver");
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MODULE_LICENSE("GPL");
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MODULE_VERSION(DRV_VERSION);
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static int debug = NETIF_MSG_DRV | NETIF_MSG_PROBE;
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   255
module_param(debug, int, 0);
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MODULE_PARM_DESC(debug, "Debug level (0=none,...,16=all)");
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/**
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 * e1000_init_module - Driver Registration Routine
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 *
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   261
 * e1000_init_module is the first routine called when the driver is
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   262
 * loaded. All it does is register with the PCI subsystem.
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 **/
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   264
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static int __init
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e1000_init_module(void)
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{
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	int ret;
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	printk(KERN_INFO "%s - version %s\n",
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	       e1000_driver_string, e1000_driver_version);
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	printk(KERN_INFO "%s\n", e1000_copyright);
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   273
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   274
	ret = pci_register_driver(&e1000_driver);
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   275
	if (copybreak != COPYBREAK_DEFAULT) {
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   276
		if (copybreak == 0)
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			printk(KERN_INFO "e1000: copybreak disabled\n");
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		else
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			printk(KERN_INFO "e1000: copybreak enabled for "
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			       "packets <= %u bytes\n", copybreak);
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   281
	}
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	return ret;
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   283
}
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   285
module_init(e1000_init_module);
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   286
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   287
/**
48c2dbc12bde Added e1000 driver for 2.6.20.
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   288
 * e1000_exit_module - Driver Exit Cleanup Routine
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   289
 *
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   290
 * e1000_exit_module is called just before the driver is removed
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   291
 * from memory.
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   292
 **/
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   293
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   294
static void __exit
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   295
e1000_exit_module(void)
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{
48c2dbc12bde Added e1000 driver for 2.6.20.
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   297
	pci_unregister_driver(&e1000_driver);
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   298
}
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   299
48c2dbc12bde Added e1000 driver for 2.6.20.
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   300
module_exit(e1000_exit_module);
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   301
48c2dbc12bde Added e1000 driver for 2.6.20.
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   302
static int e1000_request_irq(struct e1000_adapter *adapter)
48c2dbc12bde Added e1000 driver for 2.6.20.
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{
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   304
	struct net_device *netdev = adapter->netdev;
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   305
	int flags, err = 0;
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   306
48c2dbc12bde Added e1000 driver for 2.6.20.
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   307
	if (adapter->ecdev)
48c2dbc12bde Added e1000 driver for 2.6.20.
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   308
		return 0;
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   309
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   310
	flags = IRQF_SHARED;
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   311
#ifdef CONFIG_PCI_MSI
48c2dbc12bde Added e1000 driver for 2.6.20.
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   312
	if (adapter->hw.mac_type >= e1000_82571) {
48c2dbc12bde Added e1000 driver for 2.6.20.
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   313
		adapter->have_msi = TRUE;
48c2dbc12bde Added e1000 driver for 2.6.20.
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   314
		if ((err = pci_enable_msi(adapter->pdev))) {
48c2dbc12bde Added e1000 driver for 2.6.20.
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   315
			DPRINTK(PROBE, ERR,
48c2dbc12bde Added e1000 driver for 2.6.20.
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   316
			 "Unable to allocate MSI interrupt Error: %d\n", err);
48c2dbc12bde Added e1000 driver for 2.6.20.
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   317
			adapter->have_msi = FALSE;
48c2dbc12bde Added e1000 driver for 2.6.20.
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   318
		}
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   319
	}
48c2dbc12bde Added e1000 driver for 2.6.20.
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   320
	if (adapter->have_msi) {
48c2dbc12bde Added e1000 driver for 2.6.20.
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   321
		flags &= ~IRQF_SHARED;
48c2dbc12bde Added e1000 driver for 2.6.20.
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   322
		err = request_irq(adapter->pdev->irq, &e1000_intr_msi, flags,
48c2dbc12bde Added e1000 driver for 2.6.20.
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   323
		                  netdev->name, netdev);
48c2dbc12bde Added e1000 driver for 2.6.20.
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parents:
diff changeset
   324
		if (err)
48c2dbc12bde Added e1000 driver for 2.6.20.
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   325
			DPRINTK(PROBE, ERR,
48c2dbc12bde Added e1000 driver for 2.6.20.
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   326
			       "Unable to allocate interrupt Error: %d\n", err);
48c2dbc12bde Added e1000 driver for 2.6.20.
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   327
	} else
48c2dbc12bde Added e1000 driver for 2.6.20.
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   328
#endif
48c2dbc12bde Added e1000 driver for 2.6.20.
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diff changeset
   329
	if ((err = request_irq(adapter->pdev->irq, &e1000_intr, flags,
48c2dbc12bde Added e1000 driver for 2.6.20.
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   330
	                       netdev->name, netdev)))
48c2dbc12bde Added e1000 driver for 2.6.20.
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diff changeset
   331
		DPRINTK(PROBE, ERR,
48c2dbc12bde Added e1000 driver for 2.6.20.
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   332
		        "Unable to allocate interrupt Error: %d\n", err);
48c2dbc12bde Added e1000 driver for 2.6.20.
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   333
48c2dbc12bde Added e1000 driver for 2.6.20.
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   334
	return err;
48c2dbc12bde Added e1000 driver for 2.6.20.
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diff changeset
   335
}
48c2dbc12bde Added e1000 driver for 2.6.20.
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diff changeset
   336
48c2dbc12bde Added e1000 driver for 2.6.20.
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   337
static void e1000_free_irq(struct e1000_adapter *adapter)
48c2dbc12bde Added e1000 driver for 2.6.20.
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   338
{
48c2dbc12bde Added e1000 driver for 2.6.20.
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diff changeset
   339
	struct net_device *netdev = adapter->netdev;
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diff changeset
   340
48c2dbc12bde Added e1000 driver for 2.6.20.
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diff changeset
   341
	if (adapter->ecdev)
48c2dbc12bde Added e1000 driver for 2.6.20.
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   342
		return;
48c2dbc12bde Added e1000 driver for 2.6.20.
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diff changeset
   343
48c2dbc12bde Added e1000 driver for 2.6.20.
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   344
	free_irq(adapter->pdev->irq, netdev);
48c2dbc12bde Added e1000 driver for 2.6.20.
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   345
48c2dbc12bde Added e1000 driver for 2.6.20.
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diff changeset
   346
#ifdef CONFIG_PCI_MSI
48c2dbc12bde Added e1000 driver for 2.6.20.
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diff changeset
   347
	if (adapter->have_msi)
48c2dbc12bde Added e1000 driver for 2.6.20.
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diff changeset
   348
		pci_disable_msi(adapter->pdev);
48c2dbc12bde Added e1000 driver for 2.6.20.
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diff changeset
   349
#endif
48c2dbc12bde Added e1000 driver for 2.6.20.
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   350
}
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parents:
diff changeset
   351
48c2dbc12bde Added e1000 driver for 2.6.20.
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parents:
diff changeset
   352
/**
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   353
 * e1000_irq_disable - Mask off interrupt generation on the NIC
48c2dbc12bde Added e1000 driver for 2.6.20.
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parents:
diff changeset
   354
 * @adapter: board private structure
48c2dbc12bde Added e1000 driver for 2.6.20.
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   355
 **/
48c2dbc12bde Added e1000 driver for 2.6.20.
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parents:
diff changeset
   356
48c2dbc12bde Added e1000 driver for 2.6.20.
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diff changeset
   357
static void
48c2dbc12bde Added e1000 driver for 2.6.20.
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parents:
diff changeset
   358
e1000_irq_disable(struct e1000_adapter *adapter)
48c2dbc12bde Added e1000 driver for 2.6.20.
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parents:
diff changeset
   359
{
48c2dbc12bde Added e1000 driver for 2.6.20.
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parents:
diff changeset
   360
    if (adapter->ecdev)
48c2dbc12bde Added e1000 driver for 2.6.20.
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parents:
diff changeset
   361
        return;
48c2dbc12bde Added e1000 driver for 2.6.20.
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parents:
diff changeset
   362
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   363
	atomic_inc(&adapter->irq_sem);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   364
	E1000_WRITE_REG(&adapter->hw, IMC, ~0);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   365
	E1000_WRITE_FLUSH(&adapter->hw);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   366
	synchronize_irq(adapter->pdev->irq);
48c2dbc12bde Added e1000 driver for 2.6.20.
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parents:
diff changeset
   367
}
48c2dbc12bde Added e1000 driver for 2.6.20.
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parents:
diff changeset
   368
48c2dbc12bde Added e1000 driver for 2.6.20.
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parents:
diff changeset
   369
/**
48c2dbc12bde Added e1000 driver for 2.6.20.
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parents:
diff changeset
   370
 * e1000_irq_enable - Enable default interrupt generation settings
48c2dbc12bde Added e1000 driver for 2.6.20.
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parents:
diff changeset
   371
 * @adapter: board private structure
48c2dbc12bde Added e1000 driver for 2.6.20.
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parents:
diff changeset
   372
 **/
48c2dbc12bde Added e1000 driver for 2.6.20.
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parents:
diff changeset
   373
48c2dbc12bde Added e1000 driver for 2.6.20.
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parents:
diff changeset
   374
static void
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   375
e1000_irq_enable(struct e1000_adapter *adapter)
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   376
{
48c2dbc12bde Added e1000 driver for 2.6.20.
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parents:
diff changeset
   377
    if (adapter->ecdev)
48c2dbc12bde Added e1000 driver for 2.6.20.
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parents:
diff changeset
   378
        return;
48c2dbc12bde Added e1000 driver for 2.6.20.
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parents:
diff changeset
   379
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   380
	if (likely(atomic_dec_and_test(&adapter->irq_sem))) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   381
		E1000_WRITE_REG(&adapter->hw, IMS, IMS_ENABLE_MASK);
48c2dbc12bde Added e1000 driver for 2.6.20.
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parents:
diff changeset
   382
		E1000_WRITE_FLUSH(&adapter->hw);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   383
	}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   384
}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   385
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   386
static void
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   387
e1000_update_mng_vlan(struct e1000_adapter *adapter)
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   388
{
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   389
	struct net_device *netdev = adapter->netdev;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   390
	uint16_t vid = adapter->hw.mng_cookie.vlan_id;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   391
	uint16_t old_vid = adapter->mng_vlan_id;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   392
	if (adapter->vlgrp) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   393
		if (!adapter->vlgrp->vlan_devices[vid]) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   394
			if (adapter->hw.mng_cookie.status &
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   395
				E1000_MNG_DHCP_COOKIE_STATUS_VLAN_SUPPORT) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   396
				e1000_vlan_rx_add_vid(netdev, vid);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   397
				adapter->mng_vlan_id = vid;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   398
			} else
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   399
				adapter->mng_vlan_id = E1000_MNG_VLAN_NONE;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   400
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   401
			if ((old_vid != (uint16_t)E1000_MNG_VLAN_NONE) &&
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   402
					(vid != old_vid) &&
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   403
					!adapter->vlgrp->vlan_devices[old_vid])
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   404
				e1000_vlan_rx_kill_vid(netdev, old_vid);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   405
		} else
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   406
			adapter->mng_vlan_id = vid;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   407
	}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   408
}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   409
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   410
/**
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   411
 * e1000_release_hw_control - release control of the h/w to f/w
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   412
 * @adapter: address of board private structure
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   413
 *
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   414
 * e1000_release_hw_control resets {CTRL_EXT|FWSM}:DRV_LOAD bit.
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   415
 * For ASF and Pass Through versions of f/w this means that the
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   416
 * driver is no longer loaded. For AMT version (only with 82573) i
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   417
 * of the f/w this means that the network i/f is closed.
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   418
 *
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   419
 **/
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   420
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   421
static void
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   422
e1000_release_hw_control(struct e1000_adapter *adapter)
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   423
{
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   424
	uint32_t ctrl_ext;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   425
	uint32_t swsm;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   426
	uint32_t extcnf;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   427
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   428
	/* Let firmware taken over control of h/w */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   429
	switch (adapter->hw.mac_type) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   430
	case e1000_82571:
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   431
	case e1000_82572:
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   432
	case e1000_80003es2lan:
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   433
		ctrl_ext = E1000_READ_REG(&adapter->hw, CTRL_EXT);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   434
		E1000_WRITE_REG(&adapter->hw, CTRL_EXT,
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   435
				ctrl_ext & ~E1000_CTRL_EXT_DRV_LOAD);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   436
		break;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   437
	case e1000_82573:
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   438
		swsm = E1000_READ_REG(&adapter->hw, SWSM);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   439
		E1000_WRITE_REG(&adapter->hw, SWSM,
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   440
				swsm & ~E1000_SWSM_DRV_LOAD);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   441
	case e1000_ich8lan:
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   442
		extcnf = E1000_READ_REG(&adapter->hw, CTRL_EXT);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   443
		E1000_WRITE_REG(&adapter->hw, CTRL_EXT,
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   444
				extcnf & ~E1000_CTRL_EXT_DRV_LOAD);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   445
		break;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   446
	default:
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   447
		break;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   448
	}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   449
}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   450
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   451
/**
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   452
 * e1000_get_hw_control - get control of the h/w from f/w
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   453
 * @adapter: address of board private structure
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   454
 *
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   455
 * e1000_get_hw_control sets {CTRL_EXT|FWSM}:DRV_LOAD bit.
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   456
 * For ASF and Pass Through versions of f/w this means that
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   457
 * the driver is loaded. For AMT version (only with 82573)
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   458
 * of the f/w this means that the network i/f is open.
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   459
 *
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   460
 **/
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   461
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   462
static void
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   463
e1000_get_hw_control(struct e1000_adapter *adapter)
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   464
{
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   465
	uint32_t ctrl_ext;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   466
	uint32_t swsm;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   467
	uint32_t extcnf;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   468
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   469
	/* Let firmware know the driver has taken over */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   470
	switch (adapter->hw.mac_type) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   471
	case e1000_82571:
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   472
	case e1000_82572:
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   473
	case e1000_80003es2lan:
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   474
		ctrl_ext = E1000_READ_REG(&adapter->hw, CTRL_EXT);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   475
		E1000_WRITE_REG(&adapter->hw, CTRL_EXT,
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   476
				ctrl_ext | E1000_CTRL_EXT_DRV_LOAD);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   477
		break;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   478
	case e1000_82573:
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   479
		swsm = E1000_READ_REG(&adapter->hw, SWSM);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   480
		E1000_WRITE_REG(&adapter->hw, SWSM,
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   481
				swsm | E1000_SWSM_DRV_LOAD);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   482
		break;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   483
	case e1000_ich8lan:
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   484
		extcnf = E1000_READ_REG(&adapter->hw, EXTCNF_CTRL);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   485
		E1000_WRITE_REG(&adapter->hw, EXTCNF_CTRL,
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   486
				extcnf | E1000_EXTCNF_CTRL_SWFLAG);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   487
		break;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   488
	default:
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   489
		break;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   490
	}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   491
}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   492
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   493
static void
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   494
e1000_init_manageability(struct e1000_adapter *adapter)
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   495
{
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   496
	if (adapter->en_mng_pt) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   497
		uint32_t manc = E1000_READ_REG(&adapter->hw, MANC);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   498
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   499
		/* disable hardware interception of ARP */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   500
		manc &= ~(E1000_MANC_ARP_EN);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   501
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   502
		/* enable receiving management packets to the host */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   503
		/* this will probably generate destination unreachable messages
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   504
		 * from the host OS, but the packets will be handled on SMBUS */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   505
		if (adapter->hw.has_manc2h) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   506
			uint32_t manc2h = E1000_READ_REG(&adapter->hw, MANC2H);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   507
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   508
			manc |= E1000_MANC_EN_MNG2HOST;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   509
#define E1000_MNG2HOST_PORT_623 (1 << 5)
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   510
#define E1000_MNG2HOST_PORT_664 (1 << 6)
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   511
			manc2h |= E1000_MNG2HOST_PORT_623;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   512
			manc2h |= E1000_MNG2HOST_PORT_664;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   513
			E1000_WRITE_REG(&adapter->hw, MANC2H, manc2h);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   514
		}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   515
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   516
		E1000_WRITE_REG(&adapter->hw, MANC, manc);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   517
	}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   518
}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   519
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   520
static void
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   521
e1000_release_manageability(struct e1000_adapter *adapter)
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   522
{
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   523
	if (adapter->en_mng_pt) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   524
		uint32_t manc = E1000_READ_REG(&adapter->hw, MANC);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   525
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   526
		/* re-enable hardware interception of ARP */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   527
		manc |= E1000_MANC_ARP_EN;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   528
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   529
		if (adapter->hw.has_manc2h)
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   530
			manc &= ~E1000_MANC_EN_MNG2HOST;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   531
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   532
		/* don't explicitly have to mess with MANC2H since
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   533
		 * MANC has an enable disable that gates MANC2H */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   534
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   535
		E1000_WRITE_REG(&adapter->hw, MANC, manc);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   536
	}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   537
}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   538
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   539
int
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   540
e1000_up(struct e1000_adapter *adapter)
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   541
{
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   542
	struct net_device *netdev = adapter->netdev;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   543
	int i;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   544
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   545
	/* hardware has been reset, we need to reload some things */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   546
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   547
	e1000_set_multi(netdev);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   548
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   549
	e1000_restore_vlan(adapter);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   550
	e1000_init_manageability(adapter);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   551
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   552
	e1000_configure_tx(adapter);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   553
	e1000_setup_rctl(adapter);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   554
	e1000_configure_rx(adapter);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   555
	/* call E1000_DESC_UNUSED which always leaves
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   556
	 * at least 1 descriptor unused to make sure
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   557
	 * next_to_use != next_to_clean */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   558
	for (i = 0; i < adapter->num_rx_queues; i++) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   559
		struct e1000_rx_ring *ring = &adapter->rx_ring[i];
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   560
		adapter->alloc_rx_buf(adapter, ring,
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   561
		                      E1000_DESC_UNUSED(ring));
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   562
	}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   563
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   564
	adapter->tx_queue_len = netdev->tx_queue_len;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   565
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   566
    if (!adapter->ecdev) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   567
#ifdef CONFIG_E1000_NAPI
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   568
        netif_poll_enable(netdev);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   569
#endif
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   570
        e1000_irq_enable(adapter);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   571
    }
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   572
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   573
	clear_bit(__E1000_DOWN, &adapter->flags);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   574
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   575
	/* fire a link change interrupt to start the watchdog */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   576
	if (!adapter->ecdev)
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   577
		E1000_WRITE_REG(&adapter->hw, ICS, E1000_ICS_LSC);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   578
	return 0;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   579
}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   580
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   581
/**
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   582
 * e1000_power_up_phy - restore link in case the phy was powered down
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   583
 * @adapter: address of board private structure
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   584
 *
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   585
 * The phy may be powered down to save power and turn off link when the
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   586
 * driver is unloaded and wake on lan is not enabled (among others)
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   587
 * *** this routine MUST be followed by a call to e1000_reset ***
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   588
 *
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   589
 **/
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   590
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   591
void e1000_power_up_phy(struct e1000_adapter *adapter)
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   592
{
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   593
	uint16_t mii_reg = 0;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   594
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   595
	/* Just clear the power down bit to wake the phy back up */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   596
	if (adapter->hw.media_type == e1000_media_type_copper) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   597
		/* according to the manual, the phy will retain its
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   598
		 * settings across a power-down/up cycle */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   599
		e1000_read_phy_reg(&adapter->hw, PHY_CTRL, &mii_reg);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   600
		mii_reg &= ~MII_CR_POWER_DOWN;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   601
		e1000_write_phy_reg(&adapter->hw, PHY_CTRL, mii_reg);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   602
	}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   603
}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   604
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   605
static void e1000_power_down_phy(struct e1000_adapter *adapter)
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   606
{
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   607
	/* Power down the PHY so no link is implied when interface is down *
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   608
	 * The PHY cannot be powered down if any of the following is TRUE *
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   609
	 * (a) WoL is enabled
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   610
	 * (b) AMT is active
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   611
	 * (c) SoL/IDER session is active */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   612
	if (!adapter->wol && adapter->hw.mac_type >= e1000_82540 &&
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   613
	   adapter->hw.media_type == e1000_media_type_copper) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   614
		uint16_t mii_reg = 0;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   615
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   616
		switch (adapter->hw.mac_type) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   617
		case e1000_82540:
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   618
		case e1000_82545:
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   619
		case e1000_82545_rev_3:
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   620
		case e1000_82546:
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   621
		case e1000_82546_rev_3:
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   622
		case e1000_82541:
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   623
		case e1000_82541_rev_2:
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   624
		case e1000_82547:
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   625
		case e1000_82547_rev_2:
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   626
			if (E1000_READ_REG(&adapter->hw, MANC) &
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   627
			    E1000_MANC_SMBUS_EN)
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   628
				goto out;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   629
			break;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   630
		case e1000_82571:
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   631
		case e1000_82572:
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   632
		case e1000_82573:
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   633
		case e1000_80003es2lan:
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   634
		case e1000_ich8lan:
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   635
			if (e1000_check_mng_mode(&adapter->hw) ||
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   636
			    e1000_check_phy_reset_block(&adapter->hw))
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   637
				goto out;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   638
			break;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   639
		default:
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   640
			goto out;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   641
		}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   642
		e1000_read_phy_reg(&adapter->hw, PHY_CTRL, &mii_reg);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   643
		mii_reg |= MII_CR_POWER_DOWN;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   644
		e1000_write_phy_reg(&adapter->hw, PHY_CTRL, mii_reg);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   645
		mdelay(1);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   646
	}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   647
out:
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   648
	return;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   649
}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   650
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   651
void
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   652
e1000_down(struct e1000_adapter *adapter)
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   653
{
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   654
	struct net_device *netdev = adapter->netdev;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   655
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   656
	/* signal that we're down so the interrupt handler does not
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   657
	 * reschedule our watchdog timer */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   658
	set_bit(__E1000_DOWN, &adapter->flags);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   659
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   660
    if (!adapter->ecdev) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   661
		e1000_irq_disable(adapter);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   662
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   663
        del_timer_sync(&adapter->tx_fifo_stall_timer);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   664
        del_timer_sync(&adapter->watchdog_timer);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   665
        del_timer_sync(&adapter->phy_info_timer);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   666
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   667
#ifdef CONFIG_E1000_NAPI
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   668
        netif_poll_disable(netdev);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   669
#endif
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   670
	}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   671
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   672
	netdev->tx_queue_len = adapter->tx_queue_len;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   673
	adapter->link_speed = 0;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   674
	adapter->link_duplex = 0;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   675
	if (!adapter->ecdev) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   676
		netif_carrier_off(netdev);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   677
		netif_stop_queue(netdev);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   678
	}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   679
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   680
	e1000_reset(adapter);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   681
	e1000_clean_all_tx_rings(adapter);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   682
	e1000_clean_all_rx_rings(adapter);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   683
}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   684
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   685
void
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   686
e1000_reinit_locked(struct e1000_adapter *adapter)
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   687
{
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   688
	WARN_ON(in_interrupt());
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   689
	while (test_and_set_bit(__E1000_RESETTING, &adapter->flags))
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   690
		msleep(1);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   691
	e1000_down(adapter);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   692
	e1000_up(adapter);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   693
	clear_bit(__E1000_RESETTING, &adapter->flags);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   694
}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   695
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   696
void
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   697
e1000_reset(struct e1000_adapter *adapter)
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   698
{
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   699
	uint32_t pba = 0, tx_space, min_tx_space, min_rx_space;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   700
	uint16_t fc_high_water_mark = E1000_FC_HIGH_DIFF;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   701
	boolean_t legacy_pba_adjust = FALSE;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   702
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   703
	/* Repartition Pba for greater than 9k mtu
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   704
	 * To take effect CTRL.RST is required.
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   705
	 */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   706
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   707
	switch (adapter->hw.mac_type) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   708
	case e1000_82542_rev2_0:
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   709
	case e1000_82542_rev2_1:
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   710
	case e1000_82543:
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   711
	case e1000_82544:
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   712
	case e1000_82540:
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   713
	case e1000_82541:
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   714
	case e1000_82541_rev_2:
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   715
		legacy_pba_adjust = TRUE;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   716
		pba = E1000_PBA_48K;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   717
		break;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   718
	case e1000_82545:
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   719
	case e1000_82545_rev_3:
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   720
	case e1000_82546:
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   721
	case e1000_82546_rev_3:
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   722
		pba = E1000_PBA_48K;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   723
		break;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   724
	case e1000_82547:
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   725
	case e1000_82547_rev_2:
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   726
		legacy_pba_adjust = TRUE;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   727
		pba = E1000_PBA_30K;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   728
		break;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   729
	case e1000_82571:
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   730
	case e1000_82572:
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   731
	case e1000_80003es2lan:
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   732
		pba = E1000_PBA_38K;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   733
		break;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   734
	case e1000_82573:
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   735
		pba = E1000_PBA_20K;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   736
		break;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   737
	case e1000_ich8lan:
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   738
		pba = E1000_PBA_8K;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   739
	case e1000_undefined:
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   740
	case e1000_num_macs:
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   741
		break;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   742
	}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   743
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   744
	if (legacy_pba_adjust == TRUE) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   745
		if (adapter->netdev->mtu > E1000_RXBUFFER_8192)
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   746
			pba -= 8; /* allocate more FIFO for Tx */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   747
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   748
		if (adapter->hw.mac_type == e1000_82547) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   749
			adapter->tx_fifo_head = 0;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   750
			adapter->tx_head_addr = pba << E1000_TX_HEAD_ADDR_SHIFT;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   751
			adapter->tx_fifo_size =
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   752
				(E1000_PBA_40K - pba) << E1000_PBA_BYTES_SHIFT;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   753
			atomic_set(&adapter->tx_fifo_stall, 0);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   754
		}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   755
	} else if (adapter->hw.max_frame_size > MAXIMUM_ETHERNET_FRAME_SIZE) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   756
		/* adjust PBA for jumbo frames */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   757
		E1000_WRITE_REG(&adapter->hw, PBA, pba);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   758
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   759
		/* To maintain wire speed transmits, the Tx FIFO should be
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   760
		 * large enough to accomodate two full transmit packets,
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   761
		 * rounded up to the next 1KB and expressed in KB.  Likewise,
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   762
		 * the Rx FIFO should be large enough to accomodate at least
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   763
		 * one full receive packet and is similarly rounded up and
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   764
		 * expressed in KB. */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   765
		pba = E1000_READ_REG(&adapter->hw, PBA);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   766
		/* upper 16 bits has Tx packet buffer allocation size in KB */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   767
		tx_space = pba >> 16;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   768
		/* lower 16 bits has Rx packet buffer allocation size in KB */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   769
		pba &= 0xffff;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   770
		/* don't include ethernet FCS because hardware appends/strips */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   771
		min_rx_space = adapter->netdev->mtu + ENET_HEADER_SIZE +
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   772
		               VLAN_TAG_SIZE;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   773
		min_tx_space = min_rx_space;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   774
		min_tx_space *= 2;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   775
		E1000_ROUNDUP(min_tx_space, 1024);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   776
		min_tx_space >>= 10;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   777
		E1000_ROUNDUP(min_rx_space, 1024);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   778
		min_rx_space >>= 10;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   779
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   780
		/* If current Tx allocation is less than the min Tx FIFO size,
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   781
		 * and the min Tx FIFO size is less than the current Rx FIFO
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   782
		 * allocation, take space away from current Rx allocation */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   783
		if (tx_space < min_tx_space &&
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   784
		    ((min_tx_space - tx_space) < pba)) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   785
			pba = pba - (min_tx_space - tx_space);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   786
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   787
			/* PCI/PCIx hardware has PBA alignment constraints */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   788
			switch (adapter->hw.mac_type) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   789
			case e1000_82545 ... e1000_82546_rev_3:
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   790
				pba &= ~(E1000_PBA_8K - 1);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   791
				break;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   792
			default:
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   793
				break;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   794
			}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   795
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   796
			/* if short on rx space, rx wins and must trump tx
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   797
			 * adjustment or use Early Receive if available */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   798
			if (pba < min_rx_space) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   799
				switch (adapter->hw.mac_type) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   800
				case e1000_82573:
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   801
					/* ERT enabled in e1000_configure_rx */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   802
					break;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   803
				default:
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   804
					pba = min_rx_space;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   805
					break;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   806
				}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   807
			}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   808
		}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   809
	}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   810
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   811
	E1000_WRITE_REG(&adapter->hw, PBA, pba);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   812
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   813
	/* flow control settings */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   814
	/* Set the FC high water mark to 90% of the FIFO size.
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   815
	 * Required to clear last 3 LSB */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   816
	fc_high_water_mark = ((pba * 9216)/10) & 0xFFF8;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   817
	/* We can't use 90% on small FIFOs because the remainder
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   818
	 * would be less than 1 full frame.  In this case, we size
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   819
	 * it to allow at least a full frame above the high water
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   820
	 *  mark. */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   821
	if (pba < E1000_PBA_16K)
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   822
		fc_high_water_mark = (pba * 1024) - 1600;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   823
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   824
	adapter->hw.fc_high_water = fc_high_water_mark;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   825
	adapter->hw.fc_low_water = fc_high_water_mark - 8;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   826
	if (adapter->hw.mac_type == e1000_80003es2lan)
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   827
		adapter->hw.fc_pause_time = 0xFFFF;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   828
	else
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   829
		adapter->hw.fc_pause_time = E1000_FC_PAUSE_TIME;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   830
	adapter->hw.fc_send_xon = 1;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   831
	adapter->hw.fc = adapter->hw.original_fc;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   832
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   833
	/* Allow time for pending master requests to run */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   834
	e1000_reset_hw(&adapter->hw);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   835
	if (adapter->hw.mac_type >= e1000_82544)
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   836
		E1000_WRITE_REG(&adapter->hw, WUC, 0);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   837
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   838
	if (e1000_init_hw(&adapter->hw))
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   839
		DPRINTK(PROBE, ERR, "Hardware Error\n");
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   840
	e1000_update_mng_vlan(adapter);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   841
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   842
	/* if (adapter->hwflags & HWFLAGS_PHY_PWR_BIT) { */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   843
	if (adapter->hw.mac_type >= e1000_82544 &&
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   844
	    adapter->hw.mac_type <= e1000_82547_rev_2 &&
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   845
	    adapter->hw.autoneg == 1 &&
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   846
	    adapter->hw.autoneg_advertised == ADVERTISE_1000_FULL) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   847
		uint32_t ctrl = E1000_READ_REG(&adapter->hw, CTRL);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   848
		/* clear phy power management bit if we are in gig only mode,
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   849
		 * which if enabled will attempt negotiation to 100Mb, which
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   850
		 * can cause a loss of link at power off or driver unload */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   851
		ctrl &= ~E1000_CTRL_SWDPIN3;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   852
		E1000_WRITE_REG(&adapter->hw, CTRL, ctrl);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   853
	}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   854
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   855
	/* Enable h/w to recognize an 802.1Q VLAN Ethernet packet */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   856
	E1000_WRITE_REG(&adapter->hw, VET, ETHERNET_IEEE_VLAN_TYPE);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   857
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   858
	e1000_reset_adaptive(&adapter->hw);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   859
	e1000_phy_get_info(&adapter->hw, &adapter->phy_info);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   860
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   861
	if (!adapter->smart_power_down &&
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   862
	    (adapter->hw.mac_type == e1000_82571 ||
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   863
	     adapter->hw.mac_type == e1000_82572)) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   864
		uint16_t phy_data = 0;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   865
		/* speed up time to link by disabling smart power down, ignore
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   866
		 * the return value of this function because there is nothing
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   867
		 * different we would do if it failed */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   868
		e1000_read_phy_reg(&adapter->hw, IGP02E1000_PHY_POWER_MGMT,
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   869
		                   &phy_data);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   870
		phy_data &= ~IGP02E1000_PM_SPD;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   871
		e1000_write_phy_reg(&adapter->hw, IGP02E1000_PHY_POWER_MGMT,
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   872
		                    phy_data);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   873
	}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   874
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   875
	e1000_release_manageability(adapter);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   876
}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   877
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   878
/**
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   879
 * e1000_probe - Device Initialization Routine
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   880
 * @pdev: PCI device information struct
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   881
 * @ent: entry in e1000_pci_tbl
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   882
 *
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   883
 * Returns 0 on success, negative on failure
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   884
 *
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   885
 * e1000_probe initializes an adapter identified by a pci_dev structure.
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   886
 * The OS initialization, configuring of the adapter private structure,
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   887
 * and a hardware reset occur.
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   888
 **/
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   889
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   890
static int __devinit
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   891
e1000_probe(struct pci_dev *pdev,
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   892
            const struct pci_device_id *ent)
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   893
{
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   894
	struct net_device *netdev;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   895
	struct e1000_adapter *adapter;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   896
	unsigned long mmio_start, mmio_len;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   897
	unsigned long flash_start, flash_len;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   898
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   899
	static int cards_found = 0;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   900
	static int global_quad_port_a = 0; /* global ksp3 port a indication */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   901
	int i, err, pci_using_dac;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   902
	uint16_t eeprom_data = 0;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   903
	uint16_t eeprom_apme_mask = E1000_EEPROM_APME;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   904
	if ((err = pci_enable_device(pdev)))
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   905
		return err;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   906
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   907
	if (!(err = pci_set_dma_mask(pdev, DMA_64BIT_MASK)) &&
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   908
	    !(err = pci_set_consistent_dma_mask(pdev, DMA_64BIT_MASK))) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   909
		pci_using_dac = 1;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   910
	} else {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   911
		if ((err = pci_set_dma_mask(pdev, DMA_32BIT_MASK)) &&
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   912
		    (err = pci_set_consistent_dma_mask(pdev, DMA_32BIT_MASK))) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   913
			E1000_ERR("No usable DMA configuration, aborting\n");
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   914
			goto err_dma;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   915
		}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   916
		pci_using_dac = 0;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   917
	}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   918
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   919
	if ((err = pci_request_regions(pdev, e1000_driver_name)))
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   920
		goto err_pci_reg;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   921
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   922
	pci_set_master(pdev);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   923
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   924
	err = -ENOMEM;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   925
	netdev = alloc_etherdev(sizeof(struct e1000_adapter));
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   926
	if (!netdev)
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   927
		goto err_alloc_etherdev;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   928
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   929
	SET_MODULE_OWNER(netdev);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   930
	SET_NETDEV_DEV(netdev, &pdev->dev);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   931
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   932
	pci_set_drvdata(pdev, netdev);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   933
	adapter = netdev_priv(netdev);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   934
	adapter->netdev = netdev;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   935
	adapter->pdev = pdev;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   936
	adapter->hw.back = adapter;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   937
	adapter->msg_enable = (1 << debug) - 1;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   938
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   939
	mmio_start = pci_resource_start(pdev, BAR_0);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   940
	mmio_len = pci_resource_len(pdev, BAR_0);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   941
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   942
	err = -EIO;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   943
	adapter->hw.hw_addr = ioremap(mmio_start, mmio_len);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   944
	if (!adapter->hw.hw_addr)
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   945
		goto err_ioremap;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   946
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   947
	for (i = BAR_1; i <= BAR_5; i++) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   948
		if (pci_resource_len(pdev, i) == 0)
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   949
			continue;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   950
		if (pci_resource_flags(pdev, i) & IORESOURCE_IO) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   951
			adapter->hw.io_base = pci_resource_start(pdev, i);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   952
			break;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   953
		}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   954
	}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   955
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   956
	netdev->open = &e1000_open;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   957
	netdev->stop = &e1000_close;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   958
	netdev->hard_start_xmit = &e1000_xmit_frame;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   959
	netdev->get_stats = &e1000_get_stats;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   960
	netdev->set_multicast_list = &e1000_set_multi;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   961
	netdev->set_mac_address = &e1000_set_mac;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   962
	netdev->change_mtu = &e1000_change_mtu;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   963
	netdev->do_ioctl = &e1000_ioctl;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   964
	e1000_set_ethtool_ops(netdev);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   965
	netdev->tx_timeout = &e1000_tx_timeout;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   966
	netdev->watchdog_timeo = 5 * HZ;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   967
#ifdef CONFIG_E1000_NAPI
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   968
	netdev->poll = &e1000_clean;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   969
	netdev->weight = 64;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   970
#endif
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   971
	netdev->vlan_rx_register = e1000_vlan_rx_register;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   972
	netdev->vlan_rx_add_vid = e1000_vlan_rx_add_vid;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   973
	netdev->vlan_rx_kill_vid = e1000_vlan_rx_kill_vid;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   974
#ifdef CONFIG_NET_POLL_CONTROLLER
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   975
	netdev->poll_controller = e1000_netpoll;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   976
#endif
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   977
	strncpy(netdev->name, pci_name(pdev), sizeof(netdev->name) - 1);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   978
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   979
	netdev->mem_start = mmio_start;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   980
	netdev->mem_end = mmio_start + mmio_len;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   981
	netdev->base_addr = adapter->hw.io_base;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   982
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   983
	adapter->bd_number = cards_found;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   984
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   985
	/* setup the private structure */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   986
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   987
	if ((err = e1000_sw_init(adapter)))
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   988
		goto err_sw_init;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   989
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   990
	err = -EIO;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   991
	/* Flash BAR mapping must happen after e1000_sw_init
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   992
	 * because it depends on mac_type */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   993
	if ((adapter->hw.mac_type == e1000_ich8lan) &&
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   994
	   (pci_resource_flags(pdev, 1) & IORESOURCE_MEM)) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   995
		flash_start = pci_resource_start(pdev, 1);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   996
		flash_len = pci_resource_len(pdev, 1);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   997
		adapter->hw.flash_address = ioremap(flash_start, flash_len);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   998
		if (!adapter->hw.flash_address)
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   999
			goto err_flashmap;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1000
	}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1001
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1002
	if (e1000_check_phy_reset_block(&adapter->hw))
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1003
		DPRINTK(PROBE, INFO, "PHY reset is blocked due to SOL/IDER session.\n");
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1004
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1005
	if (adapter->hw.mac_type >= e1000_82543) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1006
		netdev->features = NETIF_F_SG |
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1007
				   NETIF_F_HW_CSUM |
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1008
				   NETIF_F_HW_VLAN_TX |
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1009
				   NETIF_F_HW_VLAN_RX |
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1010
				   NETIF_F_HW_VLAN_FILTER;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1011
		if (adapter->hw.mac_type == e1000_ich8lan)
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1012
			netdev->features &= ~NETIF_F_HW_VLAN_FILTER;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1013
	}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1014
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1015
#ifdef NETIF_F_TSO
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1016
	if ((adapter->hw.mac_type >= e1000_82544) &&
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1017
	   (adapter->hw.mac_type != e1000_82547))
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1018
		netdev->features |= NETIF_F_TSO;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1019
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1020
#ifdef NETIF_F_TSO6
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1021
	if (adapter->hw.mac_type > e1000_82547_rev_2)
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1022
		netdev->features |= NETIF_F_TSO6;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1023
#endif
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1024
#endif
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1025
	if (pci_using_dac)
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1026
		netdev->features |= NETIF_F_HIGHDMA;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1027
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1028
	netdev->features |= NETIF_F_LLTX;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1029
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1030
	adapter->en_mng_pt = e1000_enable_mng_pass_thru(&adapter->hw);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1031
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1032
	/* initialize eeprom parameters */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1033
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1034
	if (e1000_init_eeprom_params(&adapter->hw)) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1035
		E1000_ERR("EEPROM initialization failed\n");
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1036
		goto err_eeprom;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1037
	}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1038
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1039
	/* before reading the EEPROM, reset the controller to
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1040
	 * put the device in a known good starting state */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1041
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1042
	e1000_reset_hw(&adapter->hw);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1043
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1044
	/* make sure the EEPROM is good */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1045
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1046
	if (e1000_validate_eeprom_checksum(&adapter->hw) < 0) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1047
		DPRINTK(PROBE, ERR, "The EEPROM Checksum Is Not Valid\n");
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1048
		goto err_eeprom;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1049
	}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1050
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1051
	/* copy the MAC address out of the EEPROM */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1052
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1053
	if (e1000_read_mac_addr(&adapter->hw))
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1054
		DPRINTK(PROBE, ERR, "EEPROM Read Error\n");
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1055
	memcpy(netdev->dev_addr, adapter->hw.mac_addr, netdev->addr_len);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1056
	memcpy(netdev->perm_addr, adapter->hw.mac_addr, netdev->addr_len);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1057
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1058
	if (!is_valid_ether_addr(netdev->perm_addr)) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1059
		DPRINTK(PROBE, ERR, "Invalid MAC Address\n");
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1060
		goto err_eeprom;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1061
	}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1062
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1063
	e1000_get_bus_info(&adapter->hw);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1064
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1065
	init_timer(&adapter->tx_fifo_stall_timer);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1066
	adapter->tx_fifo_stall_timer.function = &e1000_82547_tx_fifo_stall;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1067
	adapter->tx_fifo_stall_timer.data = (unsigned long) adapter;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1068
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1069
	init_timer(&adapter->watchdog_timer);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1070
	adapter->watchdog_timer.function = &e1000_watchdog;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1071
	adapter->watchdog_timer.data = (unsigned long) adapter;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1072
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1073
	init_timer(&adapter->phy_info_timer);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1074
	adapter->phy_info_timer.function = &e1000_update_phy_info;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1075
	adapter->phy_info_timer.data = (unsigned long) adapter;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1076
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1077
	INIT_WORK(&adapter->reset_task, e1000_reset_task);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1078
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1079
	e1000_check_options(adapter);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1080
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1081
	/* Initial Wake on LAN setting
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1082
	 * If APM wake is enabled in the EEPROM,
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1083
	 * enable the ACPI Magic Packet filter
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1084
	 */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1085
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1086
	switch (adapter->hw.mac_type) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1087
	case e1000_82542_rev2_0:
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1088
	case e1000_82542_rev2_1:
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1089
	case e1000_82543:
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1090
		break;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1091
	case e1000_82544:
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1092
		e1000_read_eeprom(&adapter->hw,
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1093
			EEPROM_INIT_CONTROL2_REG, 1, &eeprom_data);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1094
		eeprom_apme_mask = E1000_EEPROM_82544_APM;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1095
		break;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1096
	case e1000_ich8lan:
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1097
		e1000_read_eeprom(&adapter->hw,
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1098
			EEPROM_INIT_CONTROL1_REG, 1, &eeprom_data);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1099
		eeprom_apme_mask = E1000_EEPROM_ICH8_APME;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1100
		break;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1101
	case e1000_82546:
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1102
	case e1000_82546_rev_3:
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1103
	case e1000_82571:
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1104
	case e1000_80003es2lan:
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1105
		if (E1000_READ_REG(&adapter->hw, STATUS) & E1000_STATUS_FUNC_1){
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1106
			e1000_read_eeprom(&adapter->hw,
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1107
				EEPROM_INIT_CONTROL3_PORT_B, 1, &eeprom_data);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1108
			break;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1109
		}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1110
		/* Fall Through */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1111
	default:
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1112
		e1000_read_eeprom(&adapter->hw,
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1113
			EEPROM_INIT_CONTROL3_PORT_A, 1, &eeprom_data);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1114
		break;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1115
	}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1116
	if (eeprom_data & eeprom_apme_mask)
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1117
		adapter->eeprom_wol |= E1000_WUFC_MAG;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1118
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1119
	/* now that we have the eeprom settings, apply the special cases
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1120
	 * where the eeprom may be wrong or the board simply won't support
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1121
	 * wake on lan on a particular port */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1122
	switch (pdev->device) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1123
	case E1000_DEV_ID_82546GB_PCIE:
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1124
		adapter->eeprom_wol = 0;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1125
		break;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1126
	case E1000_DEV_ID_82546EB_FIBER:
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1127
	case E1000_DEV_ID_82546GB_FIBER:
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1128
	case E1000_DEV_ID_82571EB_FIBER:
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1129
		/* Wake events only supported on port A for dual fiber
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1130
		 * regardless of eeprom setting */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1131
		if (E1000_READ_REG(&adapter->hw, STATUS) & E1000_STATUS_FUNC_1)
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1132
			adapter->eeprom_wol = 0;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1133
		break;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1134
	case E1000_DEV_ID_82546GB_QUAD_COPPER_KSP3:
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1135
	case E1000_DEV_ID_82571EB_QUAD_COPPER:
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1136
	case E1000_DEV_ID_82571EB_QUAD_COPPER_LOWPROFILE:
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1137
		/* if quad port adapter, disable WoL on all but port A */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1138
		if (global_quad_port_a != 0)
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1139
			adapter->eeprom_wol = 0;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1140
		else
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1141
			adapter->quad_port_a = 1;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1142
		/* Reset for multiple quad port adapters */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1143
		if (++global_quad_port_a == 4)
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1144
			global_quad_port_a = 0;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1145
		break;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1146
	}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1147
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1148
	/* initialize the wol settings based on the eeprom settings */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1149
	adapter->wol = adapter->eeprom_wol;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1150
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1151
	/* print bus type/speed/width info */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1152
	{
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1153
	struct e1000_hw *hw = &adapter->hw;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1154
	DPRINTK(PROBE, INFO, "(PCI%s:%s:%s) ",
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1155
		((hw->bus_type == e1000_bus_type_pcix) ? "-X" :
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1156
		 (hw->bus_type == e1000_bus_type_pci_express ? " Express":"")),
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1157
		((hw->bus_speed == e1000_bus_speed_2500) ? "2.5Gb/s" :
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1158
		 (hw->bus_speed == e1000_bus_speed_133) ? "133MHz" :
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1159
		 (hw->bus_speed == e1000_bus_speed_120) ? "120MHz" :
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1160
		 (hw->bus_speed == e1000_bus_speed_100) ? "100MHz" :
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1161
		 (hw->bus_speed == e1000_bus_speed_66) ? "66MHz" : "33MHz"),
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1162
		((hw->bus_width == e1000_bus_width_64) ? "64-bit" :
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1163
		 (hw->bus_width == e1000_bus_width_pciex_4) ? "Width x4" :
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1164
		 (hw->bus_width == e1000_bus_width_pciex_1) ? "Width x1" :
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1165
		 "32-bit"));
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1166
	}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1167
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1168
	for (i = 0; i < 6; i++)
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1169
		printk("%2.2x%c", netdev->dev_addr[i], i == 5 ? '\n' : ':');
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1170
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1171
	/* reset the hardware with the new settings */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1172
	e1000_reset(adapter);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1173
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1174
	/* If the controller is 82573 and f/w is AMT, do not set
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1175
	 * DRV_LOAD until the interface is up.  For all other cases,
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1176
	 * let the f/w know that the h/w is now under the control
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1177
	 * of the driver. */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1178
	if (adapter->hw.mac_type != e1000_82573 ||
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1179
	    !e1000_check_mng_mode(&adapter->hw))
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1180
		e1000_get_hw_control(adapter);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1181
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1182
	// offer device to EtherCAT master module
1011
a0759d0dded4 Improved ecdev_offer().
Florian Pose <fp@igh-essen.com>
parents: 694
diff changeset
  1183
	adapter->ecdev = ecdev_offer(netdev, ec_poll, THIS_MODULE);
680
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1184
	if (adapter->ecdev) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1185
		if (ecdev_open(adapter->ecdev)) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1186
			ecdev_withdraw(adapter->ecdev);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1187
			goto err_register;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1188
		}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1189
	} else {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1190
		strcpy(netdev->name, "eth%d");
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1191
		if ((err = register_netdev(netdev))) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1192
			goto err_register;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1193
		}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1194
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1195
		/* tell the stack to leave us alone until e1000_open() is called */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1196
		netif_carrier_off(netdev);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1197
		netif_stop_queue(netdev);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1198
	}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1199
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1200
	DPRINTK(PROBE, INFO, "Intel(R) PRO/1000 Network Connection\n");
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1201
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1202
	cards_found++;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1203
	return 0;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1204
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1205
err_register:
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1206
	e1000_release_hw_control(adapter);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1207
err_eeprom:
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1208
	if (!e1000_check_phy_reset_block(&adapter->hw))
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1209
		e1000_phy_hw_reset(&adapter->hw);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1210
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1211
	if (adapter->hw.flash_address)
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1212
		iounmap(adapter->hw.flash_address);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1213
err_flashmap:
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1214
#ifdef CONFIG_E1000_NAPI
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1215
	for (i = 0; i < adapter->num_rx_queues; i++)
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1216
		dev_put(&adapter->polling_netdev[i]);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1217
#endif
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1218
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1219
	kfree(adapter->tx_ring);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1220
	kfree(adapter->rx_ring);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1221
#ifdef CONFIG_E1000_NAPI
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1222
	kfree(adapter->polling_netdev);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1223
#endif
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1224
err_sw_init:
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1225
	iounmap(adapter->hw.hw_addr);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1226
err_ioremap:
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1227
	free_netdev(netdev);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1228
err_alloc_etherdev:
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1229
	pci_release_regions(pdev);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1230
err_pci_reg:
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1231
err_dma:
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1232
	pci_disable_device(pdev);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1233
	return err;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1234
}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1235
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1236
/**
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1237
 * e1000_remove - Device Removal Routine
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1238
 * @pdev: PCI device information struct
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1239
 *
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1240
 * e1000_remove is called by the PCI subsystem to alert the driver
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1241
 * that it should release a PCI device.  The could be caused by a
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1242
 * Hot-Plug event, or because the driver is going to be removed from
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1243
 * memory.
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1244
 **/
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1245
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1246
static void __devexit
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1247
e1000_remove(struct pci_dev *pdev)
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1248
{
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1249
	struct net_device *netdev = pci_get_drvdata(pdev);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1250
	struct e1000_adapter *adapter = netdev_priv(netdev);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1251
#ifdef CONFIG_E1000_NAPI
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1252
	int i;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1253
#endif
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1254
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1255
	flush_scheduled_work();
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1256
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1257
	e1000_release_manageability(adapter);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1258
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1259
	/* Release control of h/w to f/w.  If f/w is AMT enabled, this
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1260
	 * would have already happened in close and is redundant. */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1261
	e1000_release_hw_control(adapter);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1262
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1263
	if (adapter->ecdev) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1264
		ecdev_close(adapter->ecdev);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1265
		ecdev_withdraw(adapter->ecdev);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1266
	} else {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1267
		unregister_netdev(netdev);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1268
	}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1269
#ifdef CONFIG_E1000_NAPI
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1270
	for (i = 0; i < adapter->num_rx_queues; i++)
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1271
		dev_put(&adapter->polling_netdev[i]);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1272
#endif
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1273
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1274
	if (!e1000_check_phy_reset_block(&adapter->hw))
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1275
		e1000_phy_hw_reset(&adapter->hw);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1276
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1277
	kfree(adapter->tx_ring);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1278
	kfree(adapter->rx_ring);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1279
#ifdef CONFIG_E1000_NAPI
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1280
	kfree(adapter->polling_netdev);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1281
#endif
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1282
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1283
	iounmap(adapter->hw.hw_addr);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1284
	if (adapter->hw.flash_address)
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1285
		iounmap(adapter->hw.flash_address);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1286
	pci_release_regions(pdev);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1287
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1288
	free_netdev(netdev);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1289
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1290
	pci_disable_device(pdev);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1291
}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1292
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1293
/**
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1294
 * e1000_sw_init - Initialize general software structures (struct e1000_adapter)
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1295
 * @adapter: board private structure to initialize
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1296
 *
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1297
 * e1000_sw_init initializes the Adapter private data structure.
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1298
 * Fields are initialized based on PCI device information and
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1299
 * OS network device settings (MTU size).
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1300
 **/
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1301
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1302
static int __devinit
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1303
e1000_sw_init(struct e1000_adapter *adapter)
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1304
{
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1305
	struct e1000_hw *hw = &adapter->hw;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1306
	struct net_device *netdev = adapter->netdev;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1307
	struct pci_dev *pdev = adapter->pdev;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1308
#ifdef CONFIG_E1000_NAPI
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1309
	int i;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1310
#endif
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1311
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1312
	/* PCI config space info */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1313
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1314
	hw->vendor_id = pdev->vendor;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1315
	hw->device_id = pdev->device;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1316
	hw->subsystem_vendor_id = pdev->subsystem_vendor;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1317
	hw->subsystem_id = pdev->subsystem_device;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1318
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1319
	pci_read_config_byte(pdev, PCI_REVISION_ID, &hw->revision_id);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1320
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1321
	pci_read_config_word(pdev, PCI_COMMAND, &hw->pci_cmd_word);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1322
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1323
	adapter->rx_buffer_len = MAXIMUM_ETHERNET_VLAN_SIZE;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1324
	adapter->rx_ps_bsize0 = E1000_RXBUFFER_128;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1325
	hw->max_frame_size = netdev->mtu +
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1326
			     ENET_HEADER_SIZE + ETHERNET_FCS_SIZE;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1327
	hw->min_frame_size = MINIMUM_ETHERNET_FRAME_SIZE;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1328
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1329
	/* identify the MAC */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1330
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1331
	if (e1000_set_mac_type(hw)) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1332
		DPRINTK(PROBE, ERR, "Unknown MAC Type\n");
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1333
		return -EIO;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1334
	}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1335
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1336
	switch (hw->mac_type) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1337
	default:
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1338
		break;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1339
	case e1000_82541:
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1340
	case e1000_82547:
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1341
	case e1000_82541_rev_2:
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1342
	case e1000_82547_rev_2:
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1343
		hw->phy_init_script = 1;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1344
		break;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1345
	}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1346
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1347
	e1000_set_media_type(hw);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1348
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1349
	hw->wait_autoneg_complete = FALSE;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1350
	hw->tbi_compatibility_en = TRUE;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1351
	hw->adaptive_ifs = TRUE;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1352
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1353
	/* Copper options */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1354
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1355
	if (hw->media_type == e1000_media_type_copper) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1356
		hw->mdix = AUTO_ALL_MODES;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1357
		hw->disable_polarity_correction = FALSE;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1358
		hw->master_slave = E1000_MASTER_SLAVE;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1359
	}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1360
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1361
	adapter->num_tx_queues = 1;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1362
	adapter->num_rx_queues = 1;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1363
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1364
	if (e1000_alloc_queues(adapter)) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1365
		DPRINTK(PROBE, ERR, "Unable to allocate memory for queues\n");
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1366
		return -ENOMEM;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1367
	}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1368
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1369
#ifdef CONFIG_E1000_NAPI
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1370
	for (i = 0; i < adapter->num_rx_queues; i++) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1371
		adapter->polling_netdev[i].priv = adapter;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1372
		adapter->polling_netdev[i].poll = &e1000_clean;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1373
		adapter->polling_netdev[i].weight = 64;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1374
		dev_hold(&adapter->polling_netdev[i]);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1375
		set_bit(__LINK_STATE_START, &adapter->polling_netdev[i].state);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1376
	}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1377
	spin_lock_init(&adapter->tx_queue_lock);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1378
#endif
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1379
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1380
	atomic_set(&adapter->irq_sem, 1);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1381
	spin_lock_init(&adapter->stats_lock);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1382
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1383
	set_bit(__E1000_DOWN, &adapter->flags);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1384
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1385
	return 0;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1386
}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1387
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1388
/**
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1389
 * e1000_alloc_queues - Allocate memory for all rings
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1390
 * @adapter: board private structure to initialize
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1391
 *
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1392
 * We allocate one ring per queue at run-time since we don't know the
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1393
 * number of queues at compile-time.  The polling_netdev array is
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1394
 * intended for Multiqueue, but should work fine with a single queue.
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1395
 **/
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1396
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1397
static int __devinit
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1398
e1000_alloc_queues(struct e1000_adapter *adapter)
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1399
{
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1400
	int size;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1401
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1402
	size = sizeof(struct e1000_tx_ring) * adapter->num_tx_queues;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1403
	adapter->tx_ring = kmalloc(size, GFP_KERNEL);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1404
	if (!adapter->tx_ring)
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1405
		return -ENOMEM;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1406
	memset(adapter->tx_ring, 0, size);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1407
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1408
	size = sizeof(struct e1000_rx_ring) * adapter->num_rx_queues;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1409
	adapter->rx_ring = kmalloc(size, GFP_KERNEL);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1410
	if (!adapter->rx_ring) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1411
		kfree(adapter->tx_ring);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1412
		return -ENOMEM;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1413
	}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1414
	memset(adapter->rx_ring, 0, size);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1415
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1416
#ifdef CONFIG_E1000_NAPI
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1417
	size = sizeof(struct net_device) * adapter->num_rx_queues;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1418
	adapter->polling_netdev = kmalloc(size, GFP_KERNEL);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1419
	if (!adapter->polling_netdev) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1420
		kfree(adapter->tx_ring);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1421
		kfree(adapter->rx_ring);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1422
		return -ENOMEM;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1423
	}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1424
	memset(adapter->polling_netdev, 0, size);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1425
#endif
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1426
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1427
	return E1000_SUCCESS;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1428
}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1429
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1430
/**
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1431
 * e1000_open - Called when a network interface is made active
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1432
 * @netdev: network interface device structure
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1433
 *
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1434
 * Returns 0 on success, negative value on failure
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1435
 *
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1436
 * The open entry point is called when a network interface is made
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1437
 * active by the system (IFF_UP).  At this point all resources needed
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1438
 * for transmit and receive operations are allocated, the interrupt
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1439
 * handler is registered with the OS, the watchdog timer is started,
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1440
 * and the stack is notified that the interface is ready.
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1441
 **/
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1442
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1443
static int
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1444
e1000_open(struct net_device *netdev)
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1445
{
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1446
	struct e1000_adapter *adapter = netdev_priv(netdev);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1447
	int err;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1448
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1449
	/* disallow open during test */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1450
	if (test_bit(__E1000_TESTING, &adapter->flags))
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1451
		return -EBUSY;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1452
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1453
	/* allocate transmit descriptors */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1454
	if ((err = e1000_setup_all_tx_resources(adapter)))
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1455
		goto err_setup_tx;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1456
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1457
	/* allocate receive descriptors */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1458
	if ((err = e1000_setup_all_rx_resources(adapter)))
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1459
		goto err_setup_rx;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1460
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1461
	err = e1000_request_irq(adapter);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1462
	if (err)
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1463
		goto err_req_irq;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1464
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1465
	e1000_power_up_phy(adapter);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1466
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1467
	if ((err = e1000_up(adapter)))
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1468
		goto err_up;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1469
	adapter->mng_vlan_id = E1000_MNG_VLAN_NONE;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1470
	if ((adapter->hw.mng_cookie.status &
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1471
			  E1000_MNG_DHCP_COOKIE_STATUS_VLAN_SUPPORT)) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1472
		e1000_update_mng_vlan(adapter);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1473
	}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1474
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1475
	/* If AMT is enabled, let the firmware know that the network
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1476
	 * interface is now open */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1477
	if (adapter->hw.mac_type == e1000_82573 &&
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1478
	    e1000_check_mng_mode(&adapter->hw))
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1479
		e1000_get_hw_control(adapter);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1480
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1481
	return E1000_SUCCESS;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1482
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1483
err_up:
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1484
	e1000_power_down_phy(adapter);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1485
	e1000_free_irq(adapter);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1486
err_req_irq:
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1487
	e1000_free_all_rx_resources(adapter);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1488
err_setup_rx:
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1489
	e1000_free_all_tx_resources(adapter);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1490
err_setup_tx:
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1491
	e1000_reset(adapter);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1492
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1493
	return err;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1494
}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1495
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1496
/**
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1497
 * e1000_close - Disables a network interface
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1498
 * @netdev: network interface device structure
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1499
 *
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1500
 * Returns 0, this is not allowed to fail
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1501
 *
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1502
 * The close entry point is called when an interface is de-activated
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1503
 * by the OS.  The hardware is still under the drivers control, but
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1504
 * needs to be disabled.  A global MAC reset is issued to stop the
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1505
 * hardware, and all transmit and receive resources are freed.
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1506
 **/
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1507
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1508
static int
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1509
e1000_close(struct net_device *netdev)
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1510
{
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1511
	struct e1000_adapter *adapter = netdev_priv(netdev);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1512
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1513
	WARN_ON(test_bit(__E1000_RESETTING, &adapter->flags));
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1514
	e1000_down(adapter);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1515
	e1000_power_down_phy(adapter);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1516
	e1000_free_irq(adapter);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1517
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1518
	e1000_free_all_tx_resources(adapter);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1519
	e1000_free_all_rx_resources(adapter);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1520
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1521
	/* kill manageability vlan ID if supported, but not if a vlan with
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1522
	 * the same ID is registered on the host OS (let 8021q kill it) */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1523
	if ((adapter->hw.mng_cookie.status &
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1524
			  E1000_MNG_DHCP_COOKIE_STATUS_VLAN_SUPPORT) &&
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1525
	     !(adapter->vlgrp &&
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1526
			  adapter->vlgrp->vlan_devices[adapter->mng_vlan_id])) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1527
		e1000_vlan_rx_kill_vid(netdev, adapter->mng_vlan_id);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1528
	}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1529
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1530
	/* If AMT is enabled, let the firmware know that the network
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1531
	 * interface is now closed */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1532
	if (adapter->hw.mac_type == e1000_82573 &&
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1533
	    e1000_check_mng_mode(&adapter->hw))
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1534
		e1000_release_hw_control(adapter);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1535
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1536
	return 0;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1537
}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1538
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1539
/**
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1540
 * e1000_check_64k_bound - check that memory doesn't cross 64kB boundary
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1541
 * @adapter: address of board private structure
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1542
 * @start: address of beginning of memory
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1543
 * @len: length of memory
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1544
 **/
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1545
static boolean_t
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1546
e1000_check_64k_bound(struct e1000_adapter *adapter,
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1547
		      void *start, unsigned long len)
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1548
{
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1549
	unsigned long begin = (unsigned long) start;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1550
	unsigned long end = begin + len;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1551
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1552
	/* First rev 82545 and 82546 need to not allow any memory
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1553
	 * write location to cross 64k boundary due to errata 23 */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1554
	if (adapter->hw.mac_type == e1000_82545 ||
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1555
	    adapter->hw.mac_type == e1000_82546) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1556
		return ((begin ^ (end - 1)) >> 16) != 0 ? FALSE : TRUE;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1557
	}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1558
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1559
	return TRUE;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1560
}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1561
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1562
/**
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1563
 * e1000_setup_tx_resources - allocate Tx resources (Descriptors)
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1564
 * @adapter: board private structure
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1565
 * @txdr:    tx descriptor ring (for a specific queue) to setup
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1566
 *
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1567
 * Return 0 on success, negative on failure
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1568
 **/
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1569
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1570
static int
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1571
e1000_setup_tx_resources(struct e1000_adapter *adapter,
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1572
                         struct e1000_tx_ring *txdr)
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1573
{
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1574
	struct pci_dev *pdev = adapter->pdev;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1575
	int size;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1576
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1577
	size = sizeof(struct e1000_buffer) * txdr->count;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1578
	txdr->buffer_info = vmalloc(size);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1579
	if (!txdr->buffer_info) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1580
		DPRINTK(PROBE, ERR,
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1581
		"Unable to allocate memory for the transmit descriptor ring\n");
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1582
		return -ENOMEM;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1583
	}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1584
	memset(txdr->buffer_info, 0, size);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1585
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1586
	/* round up to nearest 4K */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1587
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1588
	txdr->size = txdr->count * sizeof(struct e1000_tx_desc);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1589
	E1000_ROUNDUP(txdr->size, 4096);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1590
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1591
	txdr->desc = pci_alloc_consistent(pdev, txdr->size, &txdr->dma);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1592
	if (!txdr->desc) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1593
setup_tx_desc_die:
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1594
		vfree(txdr->buffer_info);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1595
		DPRINTK(PROBE, ERR,
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1596
		"Unable to allocate memory for the transmit descriptor ring\n");
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1597
		return -ENOMEM;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1598
	}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1599
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1600
	/* Fix for errata 23, can't cross 64kB boundary */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1601
	if (!e1000_check_64k_bound(adapter, txdr->desc, txdr->size)) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1602
		void *olddesc = txdr->desc;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1603
		dma_addr_t olddma = txdr->dma;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1604
		DPRINTK(TX_ERR, ERR, "txdr align check failed: %u bytes "
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1605
				     "at %p\n", txdr->size, txdr->desc);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1606
		/* Try again, without freeing the previous */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1607
		txdr->desc = pci_alloc_consistent(pdev, txdr->size, &txdr->dma);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1608
		/* Failed allocation, critical failure */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1609
		if (!txdr->desc) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1610
			pci_free_consistent(pdev, txdr->size, olddesc, olddma);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1611
			goto setup_tx_desc_die;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1612
		}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1613
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1614
		if (!e1000_check_64k_bound(adapter, txdr->desc, txdr->size)) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1615
			/* give up */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1616
			pci_free_consistent(pdev, txdr->size, txdr->desc,
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1617
					    txdr->dma);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1618
			pci_free_consistent(pdev, txdr->size, olddesc, olddma);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1619
			DPRINTK(PROBE, ERR,
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1620
				"Unable to allocate aligned memory "
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1621
				"for the transmit descriptor ring\n");
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1622
			vfree(txdr->buffer_info);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1623
			return -ENOMEM;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1624
		} else {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1625
			/* Free old allocation, new allocation was successful */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1626
			pci_free_consistent(pdev, txdr->size, olddesc, olddma);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1627
		}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1628
	}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1629
	memset(txdr->desc, 0, txdr->size);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1630
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1631
	txdr->next_to_use = 0;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1632
	txdr->next_to_clean = 0;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1633
	spin_lock_init(&txdr->tx_lock);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1634
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1635
	return 0;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1636
}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1637
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1638
/**
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1639
 * e1000_setup_all_tx_resources - wrapper to allocate Tx resources
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1640
 * 				  (Descriptors) for all queues
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1641
 * @adapter: board private structure
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1642
 *
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1643
 * Return 0 on success, negative on failure
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1644
 **/
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1645
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1646
int
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1647
e1000_setup_all_tx_resources(struct e1000_adapter *adapter)
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1648
{
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1649
	int i, err = 0;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1650
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1651
	for (i = 0; i < adapter->num_tx_queues; i++) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1652
		err = e1000_setup_tx_resources(adapter, &adapter->tx_ring[i]);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1653
		if (err) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1654
			DPRINTK(PROBE, ERR,
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1655
				"Allocation for Tx Queue %u failed\n", i);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1656
			for (i-- ; i >= 0; i--)
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1657
				e1000_free_tx_resources(adapter,
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1658
							&adapter->tx_ring[i]);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1659
			break;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1660
		}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1661
	}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1662
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1663
	return err;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1664
}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1665
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1666
/**
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1667
 * e1000_configure_tx - Configure 8254x Transmit Unit after Reset
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1668
 * @adapter: board private structure
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1669
 *
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1670
 * Configure the Tx unit of the MAC after a reset.
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1671
 **/
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1672
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1673
static void
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1674
e1000_configure_tx(struct e1000_adapter *adapter)
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1675
{
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1676
	uint64_t tdba;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1677
	struct e1000_hw *hw = &adapter->hw;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1678
	uint32_t tdlen, tctl, tipg, tarc;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1679
	uint32_t ipgr1, ipgr2;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1680
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1681
	/* Setup the HW Tx Head and Tail descriptor pointers */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1682
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1683
	switch (adapter->num_tx_queues) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1684
	case 1:
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1685
	default:
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1686
		tdba = adapter->tx_ring[0].dma;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1687
		tdlen = adapter->tx_ring[0].count *
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1688
			sizeof(struct e1000_tx_desc);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1689
		E1000_WRITE_REG(hw, TDLEN, tdlen);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1690
		E1000_WRITE_REG(hw, TDBAH, (tdba >> 32));
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1691
		E1000_WRITE_REG(hw, TDBAL, (tdba & 0x00000000ffffffffULL));
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1692
		E1000_WRITE_REG(hw, TDT, 0);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1693
		E1000_WRITE_REG(hw, TDH, 0);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1694
		adapter->tx_ring[0].tdh = ((hw->mac_type >= e1000_82543) ? E1000_TDH : E1000_82542_TDH);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1695
		adapter->tx_ring[0].tdt = ((hw->mac_type >= e1000_82543) ? E1000_TDT : E1000_82542_TDT);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1696
		break;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1697
	}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1698
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1699
	/* Set the default values for the Tx Inter Packet Gap timer */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1700
	if (adapter->hw.mac_type <= e1000_82547_rev_2 &&
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1701
	    (hw->media_type == e1000_media_type_fiber ||
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1702
	     hw->media_type == e1000_media_type_internal_serdes))
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1703
		tipg = DEFAULT_82543_TIPG_IPGT_FIBER;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1704
	else
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1705
		tipg = DEFAULT_82543_TIPG_IPGT_COPPER;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1706
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1707
	switch (hw->mac_type) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1708
	case e1000_82542_rev2_0:
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1709
	case e1000_82542_rev2_1:
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1710
		tipg = DEFAULT_82542_TIPG_IPGT;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1711
		ipgr1 = DEFAULT_82542_TIPG_IPGR1;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1712
		ipgr2 = DEFAULT_82542_TIPG_IPGR2;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1713
		break;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1714
	case e1000_80003es2lan:
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1715
		ipgr1 = DEFAULT_82543_TIPG_IPGR1;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1716
		ipgr2 = DEFAULT_80003ES2LAN_TIPG_IPGR2;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1717
		break;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1718
	default:
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1719
		ipgr1 = DEFAULT_82543_TIPG_IPGR1;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1720
		ipgr2 = DEFAULT_82543_TIPG_IPGR2;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1721
		break;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1722
	}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1723
	tipg |= ipgr1 << E1000_TIPG_IPGR1_SHIFT;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1724
	tipg |= ipgr2 << E1000_TIPG_IPGR2_SHIFT;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1725
	E1000_WRITE_REG(hw, TIPG, tipg);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1726
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1727
	/* Set the Tx Interrupt Delay register */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1728
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1729
	E1000_WRITE_REG(hw, TIDV, adapter->tx_int_delay);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1730
	if (hw->mac_type >= e1000_82540)
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1731
		E1000_WRITE_REG(hw, TADV, adapter->tx_abs_int_delay);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1732
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1733
	/* Program the Transmit Control Register */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1734
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1735
	tctl = E1000_READ_REG(hw, TCTL);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1736
	tctl &= ~E1000_TCTL_CT;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1737
	tctl |= E1000_TCTL_PSP | E1000_TCTL_RTLC |
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1738
		(E1000_COLLISION_THRESHOLD << E1000_CT_SHIFT);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1739
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1740
	if (hw->mac_type == e1000_82571 || hw->mac_type == e1000_82572) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1741
		tarc = E1000_READ_REG(hw, TARC0);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1742
		/* set the speed mode bit, we'll clear it if we're not at
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1743
		 * gigabit link later */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1744
		tarc |= (1 << 21);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1745
		E1000_WRITE_REG(hw, TARC0, tarc);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1746
	} else if (hw->mac_type == e1000_80003es2lan) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1747
		tarc = E1000_READ_REG(hw, TARC0);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1748
		tarc |= 1;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1749
		E1000_WRITE_REG(hw, TARC0, tarc);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1750
		tarc = E1000_READ_REG(hw, TARC1);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1751
		tarc |= 1;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1752
		E1000_WRITE_REG(hw, TARC1, tarc);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1753
	}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1754
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1755
	e1000_config_collision_dist(hw);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1756
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1757
	/* Setup Transmit Descriptor Settings for eop descriptor */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1758
	adapter->txd_cmd = E1000_TXD_CMD_EOP | E1000_TXD_CMD_IFCS;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1759
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1760
	/* only set IDE if we are delaying interrupts using the timers */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1761
	if (adapter->tx_int_delay)
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1762
		adapter->txd_cmd |= E1000_TXD_CMD_IDE;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1763
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1764
	if (hw->mac_type < e1000_82543)
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1765
		adapter->txd_cmd |= E1000_TXD_CMD_RPS;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1766
	else
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1767
		adapter->txd_cmd |= E1000_TXD_CMD_RS;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1768
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1769
	/* Cache if we're 82544 running in PCI-X because we'll
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1770
	 * need this to apply a workaround later in the send path. */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1771
	if (hw->mac_type == e1000_82544 &&
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1772
	    hw->bus_type == e1000_bus_type_pcix)
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1773
		adapter->pcix_82544 = 1;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1774
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1775
	E1000_WRITE_REG(hw, TCTL, tctl);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1776
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1777
}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1778
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1779
/**
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1780
 * e1000_setup_rx_resources - allocate Rx resources (Descriptors)
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1781
 * @adapter: board private structure
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1782
 * @rxdr:    rx descriptor ring (for a specific queue) to setup
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1783
 *
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1784
 * Returns 0 on success, negative on failure
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1785
 **/
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1786
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1787
static int
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1788
e1000_setup_rx_resources(struct e1000_adapter *adapter,
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1789
                         struct e1000_rx_ring *rxdr)
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1790
{
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1791
	struct pci_dev *pdev = adapter->pdev;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1792
	int size, desc_len;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1793
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1794
	size = sizeof(struct e1000_buffer) * rxdr->count;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1795
	rxdr->buffer_info = vmalloc(size);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1796
	if (!rxdr->buffer_info) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1797
		DPRINTK(PROBE, ERR,
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1798
		"Unable to allocate memory for the receive descriptor ring\n");
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1799
		return -ENOMEM;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1800
	}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1801
	memset(rxdr->buffer_info, 0, size);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1802
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1803
	size = sizeof(struct e1000_ps_page) * rxdr->count;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1804
	rxdr->ps_page = kmalloc(size, GFP_KERNEL);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1805
	if (!rxdr->ps_page) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1806
		vfree(rxdr->buffer_info);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1807
		DPRINTK(PROBE, ERR,
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1808
		"Unable to allocate memory for the receive descriptor ring\n");
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1809
		return -ENOMEM;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1810
	}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1811
	memset(rxdr->ps_page, 0, size);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1812
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1813
	size = sizeof(struct e1000_ps_page_dma) * rxdr->count;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1814
	rxdr->ps_page_dma = kmalloc(size, GFP_KERNEL);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1815
	if (!rxdr->ps_page_dma) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1816
		vfree(rxdr->buffer_info);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1817
		kfree(rxdr->ps_page);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1818
		DPRINTK(PROBE, ERR,
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1819
		"Unable to allocate memory for the receive descriptor ring\n");
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1820
		return -ENOMEM;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1821
	}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1822
	memset(rxdr->ps_page_dma, 0, size);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1823
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1824
	if (adapter->hw.mac_type <= e1000_82547_rev_2)
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1825
		desc_len = sizeof(struct e1000_rx_desc);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1826
	else
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1827
		desc_len = sizeof(union e1000_rx_desc_packet_split);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1828
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1829
	/* Round up to nearest 4K */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1830
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1831
	rxdr->size = rxdr->count * desc_len;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1832
	E1000_ROUNDUP(rxdr->size, 4096);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1833
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1834
	rxdr->desc = pci_alloc_consistent(pdev, rxdr->size, &rxdr->dma);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1835
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1836
	if (!rxdr->desc) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1837
		DPRINTK(PROBE, ERR,
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1838
		"Unable to allocate memory for the receive descriptor ring\n");
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1839
setup_rx_desc_die:
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1840
		vfree(rxdr->buffer_info);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1841
		kfree(rxdr->ps_page);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1842
		kfree(rxdr->ps_page_dma);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1843
		return -ENOMEM;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1844
	}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1845
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1846
	/* Fix for errata 23, can't cross 64kB boundary */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1847
	if (!e1000_check_64k_bound(adapter, rxdr->desc, rxdr->size)) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1848
		void *olddesc = rxdr->desc;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1849
		dma_addr_t olddma = rxdr->dma;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1850
		DPRINTK(RX_ERR, ERR, "rxdr align check failed: %u bytes "
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1851
				     "at %p\n", rxdr->size, rxdr->desc);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1852
		/* Try again, without freeing the previous */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1853
		rxdr->desc = pci_alloc_consistent(pdev, rxdr->size, &rxdr->dma);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1854
		/* Failed allocation, critical failure */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1855
		if (!rxdr->desc) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1856
			pci_free_consistent(pdev, rxdr->size, olddesc, olddma);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1857
			DPRINTK(PROBE, ERR,
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1858
				"Unable to allocate memory "
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1859
				"for the receive descriptor ring\n");
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1860
			goto setup_rx_desc_die;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1861
		}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1862
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1863
		if (!e1000_check_64k_bound(adapter, rxdr->desc, rxdr->size)) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1864
			/* give up */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1865
			pci_free_consistent(pdev, rxdr->size, rxdr->desc,
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1866
					    rxdr->dma);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1867
			pci_free_consistent(pdev, rxdr->size, olddesc, olddma);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1868
			DPRINTK(PROBE, ERR,
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1869
				"Unable to allocate aligned memory "
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1870
				"for the receive descriptor ring\n");
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1871
			goto setup_rx_desc_die;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1872
		} else {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1873
			/* Free old allocation, new allocation was successful */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1874
			pci_free_consistent(pdev, rxdr->size, olddesc, olddma);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1875
		}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1876
	}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1877
	memset(rxdr->desc, 0, rxdr->size);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1878
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1879
	rxdr->next_to_clean = 0;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1880
	rxdr->next_to_use = 0;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1881
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1882
	return 0;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1883
}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1884
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1885
/**
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1886
 * e1000_setup_all_rx_resources - wrapper to allocate Rx resources
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1887
 * 				  (Descriptors) for all queues
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1888
 * @adapter: board private structure
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1889
 *
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1890
 * Return 0 on success, negative on failure
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1891
 **/
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1892
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1893
int
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1894
e1000_setup_all_rx_resources(struct e1000_adapter *adapter)
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1895
{
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1896
	int i, err = 0;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1897
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1898
	for (i = 0; i < adapter->num_rx_queues; i++) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1899
		err = e1000_setup_rx_resources(adapter, &adapter->rx_ring[i]);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1900
		if (err) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1901
			DPRINTK(PROBE, ERR,
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1902
				"Allocation for Rx Queue %u failed\n", i);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1903
			for (i-- ; i >= 0; i--)
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1904
				e1000_free_rx_resources(adapter,
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1905
							&adapter->rx_ring[i]);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1906
			break;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1907
		}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1908
	}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1909
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1910
	return err;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1911
}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1912
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1913
/**
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1914
 * e1000_setup_rctl - configure the receive control registers
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1915
 * @adapter: Board private structure
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1916
 **/
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1917
#define PAGE_USE_COUNT(S) (((S) >> PAGE_SHIFT) + \
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1918
			(((S) & (PAGE_SIZE - 1)) ? 1 : 0))
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1919
static void
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1920
e1000_setup_rctl(struct e1000_adapter *adapter)
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1921
{
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1922
	uint32_t rctl, rfctl;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1923
	uint32_t psrctl = 0;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1924
#ifndef CONFIG_E1000_DISABLE_PACKET_SPLIT
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1925
	uint32_t pages = 0;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1926
#endif
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1927
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1928
	rctl = E1000_READ_REG(&adapter->hw, RCTL);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1929
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1930
	rctl &= ~(3 << E1000_RCTL_MO_SHIFT);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1931
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1932
	rctl |= E1000_RCTL_EN | E1000_RCTL_BAM |
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1933
		E1000_RCTL_LBM_NO | E1000_RCTL_RDMTS_HALF |
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1934
		(adapter->hw.mc_filter_type << E1000_RCTL_MO_SHIFT);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1935
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1936
	if (adapter->hw.tbi_compatibility_on == 1)
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1937
		rctl |= E1000_RCTL_SBP;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1938
	else
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1939
		rctl &= ~E1000_RCTL_SBP;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1940
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1941
	if (adapter->netdev->mtu <= ETH_DATA_LEN)
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1942
		rctl &= ~E1000_RCTL_LPE;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1943
	else
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1944
		rctl |= E1000_RCTL_LPE;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1945
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1946
	/* Setup buffer sizes */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1947
	rctl &= ~E1000_RCTL_SZ_4096;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1948
	rctl |= E1000_RCTL_BSEX;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1949
	switch (adapter->rx_buffer_len) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1950
		case E1000_RXBUFFER_256:
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1951
			rctl |= E1000_RCTL_SZ_256;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1952
			rctl &= ~E1000_RCTL_BSEX;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1953
			break;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1954
		case E1000_RXBUFFER_512:
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1955
			rctl |= E1000_RCTL_SZ_512;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1956
			rctl &= ~E1000_RCTL_BSEX;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1957
			break;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1958
		case E1000_RXBUFFER_1024:
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1959
			rctl |= E1000_RCTL_SZ_1024;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1960
			rctl &= ~E1000_RCTL_BSEX;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1961
			break;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1962
		case E1000_RXBUFFER_2048:
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1963
		default:
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1964
			rctl |= E1000_RCTL_SZ_2048;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1965
			rctl &= ~E1000_RCTL_BSEX;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1966
			break;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1967
		case E1000_RXBUFFER_4096:
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1968
			rctl |= E1000_RCTL_SZ_4096;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1969
			break;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1970
		case E1000_RXBUFFER_8192:
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1971
			rctl |= E1000_RCTL_SZ_8192;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1972
			break;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1973
		case E1000_RXBUFFER_16384:
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1974
			rctl |= E1000_RCTL_SZ_16384;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1975
			break;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1976
	}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1977
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1978
#ifndef CONFIG_E1000_DISABLE_PACKET_SPLIT
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1979
	/* 82571 and greater support packet-split where the protocol
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1980
	 * header is placed in skb->data and the packet data is
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1981
	 * placed in pages hanging off of skb_shinfo(skb)->nr_frags.
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1982
	 * In the case of a non-split, skb->data is linearly filled,
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1983
	 * followed by the page buffers.  Therefore, skb->data is
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1984
	 * sized to hold the largest protocol header.
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1985
	 */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1986
	/* allocations using alloc_page take too long for regular MTU
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1987
	 * so only enable packet split for jumbo frames */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1988
	pages = PAGE_USE_COUNT(adapter->netdev->mtu);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1989
	if ((adapter->hw.mac_type >= e1000_82571) && (pages <= 3) &&
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1990
	    PAGE_SIZE <= 16384 && (rctl & E1000_RCTL_LPE))
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1991
		adapter->rx_ps_pages = pages;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1992
	else
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1993
		adapter->rx_ps_pages = 0;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1994
#endif
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1995
	if (adapter->rx_ps_pages) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1996
		/* Configure extra packet-split registers */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1997
		rfctl = E1000_READ_REG(&adapter->hw, RFCTL);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1998
		rfctl |= E1000_RFCTL_EXTEN;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1999
		/* disable packet split support for IPv6 extension headers,
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2000
		 * because some malformed IPv6 headers can hang the RX */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2001
		rfctl |= (E1000_RFCTL_IPV6_EX_DIS |
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2002
		          E1000_RFCTL_NEW_IPV6_EXT_DIS);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2003
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2004
		E1000_WRITE_REG(&adapter->hw, RFCTL, rfctl);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2005
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2006
		rctl |= E1000_RCTL_DTYP_PS;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2007
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2008
		psrctl |= adapter->rx_ps_bsize0 >>
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2009
			E1000_PSRCTL_BSIZE0_SHIFT;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2010
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2011
		switch (adapter->rx_ps_pages) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2012
		case 3:
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2013
			psrctl |= PAGE_SIZE <<
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2014
				E1000_PSRCTL_BSIZE3_SHIFT;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2015
		case 2:
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2016
			psrctl |= PAGE_SIZE <<
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2017
				E1000_PSRCTL_BSIZE2_SHIFT;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2018
		case 1:
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2019
			psrctl |= PAGE_SIZE >>
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2020
				E1000_PSRCTL_BSIZE1_SHIFT;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2021
			break;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2022
		}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2023
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2024
		E1000_WRITE_REG(&adapter->hw, PSRCTL, psrctl);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2025
	}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2026
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2027
	E1000_WRITE_REG(&adapter->hw, RCTL, rctl);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2028
}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2029
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2030
/**
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2031
 * e1000_configure_rx - Configure 8254x Receive Unit after Reset
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2032
 * @adapter: board private structure
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2033
 *
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2034
 * Configure the Rx unit of the MAC after a reset.
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2035
 **/
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2036
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2037
static void
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2038
e1000_configure_rx(struct e1000_adapter *adapter)
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2039
{
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2040
	uint64_t rdba;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2041
	struct e1000_hw *hw = &adapter->hw;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2042
	uint32_t rdlen, rctl, rxcsum, ctrl_ext;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2043
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2044
	if (adapter->rx_ps_pages) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2045
		/* this is a 32 byte descriptor */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2046
		rdlen = adapter->rx_ring[0].count *
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2047
			sizeof(union e1000_rx_desc_packet_split);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2048
		adapter->clean_rx = e1000_clean_rx_irq_ps;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2049
		adapter->alloc_rx_buf = e1000_alloc_rx_buffers_ps;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2050
	} else {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2051
		rdlen = adapter->rx_ring[0].count *
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2052
			sizeof(struct e1000_rx_desc);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2053
		adapter->clean_rx = e1000_clean_rx_irq;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2054
		adapter->alloc_rx_buf = e1000_alloc_rx_buffers;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2055
	}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2056
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2057
	/* disable receives while setting up the descriptors */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2058
	rctl = E1000_READ_REG(hw, RCTL);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2059
	E1000_WRITE_REG(hw, RCTL, rctl & ~E1000_RCTL_EN);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2060
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2061
	/* set the Receive Delay Timer Register */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2062
	E1000_WRITE_REG(hw, RDTR, adapter->rx_int_delay);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2063
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2064
	if (hw->mac_type >= e1000_82540) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2065
		E1000_WRITE_REG(hw, RADV, adapter->rx_abs_int_delay);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2066
		if (adapter->itr_setting != 0)
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2067
			E1000_WRITE_REG(hw, ITR,
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2068
				1000000000 / (adapter->itr * 256));
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2069
	}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2070
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2071
	if (hw->mac_type >= e1000_82571) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2072
		ctrl_ext = E1000_READ_REG(hw, CTRL_EXT);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2073
		/* Reset delay timers after every interrupt */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2074
		ctrl_ext |= E1000_CTRL_EXT_INT_TIMER_CLR;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2075
#ifdef CONFIG_E1000_NAPI
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2076
		/* Auto-Mask interrupts upon ICR access */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2077
		ctrl_ext |= E1000_CTRL_EXT_IAME;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2078
		E1000_WRITE_REG(hw, IAM, 0xffffffff);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2079
#endif
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2080
		E1000_WRITE_REG(hw, CTRL_EXT, ctrl_ext);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2081
		E1000_WRITE_FLUSH(hw);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2082
	}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2083
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2084
	/* Setup the HW Rx Head and Tail Descriptor Pointers and
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2085
	 * the Base and Length of the Rx Descriptor Ring */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2086
	switch (adapter->num_rx_queues) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2087
	case 1:
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2088
	default:
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2089
		rdba = adapter->rx_ring[0].dma;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2090
		E1000_WRITE_REG(hw, RDLEN, rdlen);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2091
		E1000_WRITE_REG(hw, RDBAH, (rdba >> 32));
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2092
		E1000_WRITE_REG(hw, RDBAL, (rdba & 0x00000000ffffffffULL));
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2093
		E1000_WRITE_REG(hw, RDT, 0);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2094
		E1000_WRITE_REG(hw, RDH, 0);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2095
		adapter->rx_ring[0].rdh = ((hw->mac_type >= e1000_82543) ? E1000_RDH : E1000_82542_RDH);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2096
		adapter->rx_ring[0].rdt = ((hw->mac_type >= e1000_82543) ? E1000_RDT : E1000_82542_RDT);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2097
		break;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2098
	}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2099
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2100
	/* Enable 82543 Receive Checksum Offload for TCP and UDP */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2101
	if (hw->mac_type >= e1000_82543) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2102
		rxcsum = E1000_READ_REG(hw, RXCSUM);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2103
		if (adapter->rx_csum == TRUE) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2104
			rxcsum |= E1000_RXCSUM_TUOFL;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2105
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2106
			/* Enable 82571 IPv4 payload checksum for UDP fragments
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2107
			 * Must be used in conjunction with packet-split. */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2108
			if ((hw->mac_type >= e1000_82571) &&
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2109
			    (adapter->rx_ps_pages)) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2110
				rxcsum |= E1000_RXCSUM_IPPCSE;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2111
			}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2112
		} else {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2113
			rxcsum &= ~E1000_RXCSUM_TUOFL;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2114
			/* don't need to clear IPPCSE as it defaults to 0 */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2115
		}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2116
		E1000_WRITE_REG(hw, RXCSUM, rxcsum);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2117
	}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2118
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2119
	/* enable early receives on 82573, only takes effect if using > 2048
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2120
	 * byte total frame size.  for example only for jumbo frames */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2121
#define E1000_ERT_2048 0x100
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2122
	if (hw->mac_type == e1000_82573)
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2123
		E1000_WRITE_REG(hw, ERT, E1000_ERT_2048);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2124
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2125
	/* Enable Receives */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2126
	E1000_WRITE_REG(hw, RCTL, rctl);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2127
}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2128
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2129
/**
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2130
 * e1000_free_tx_resources - Free Tx Resources per Queue
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2131
 * @adapter: board private structure
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2132
 * @tx_ring: Tx descriptor ring for a specific queue
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2133
 *
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2134
 * Free all transmit software resources
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2135
 **/
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2136
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2137
static void
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2138
e1000_free_tx_resources(struct e1000_adapter *adapter,
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2139
                        struct e1000_tx_ring *tx_ring)
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2140
{
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2141
	struct pci_dev *pdev = adapter->pdev;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2142
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2143
	e1000_clean_tx_ring(adapter, tx_ring);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2144
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2145
	vfree(tx_ring->buffer_info);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2146
	tx_ring->buffer_info = NULL;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2147
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2148
	pci_free_consistent(pdev, tx_ring->size, tx_ring->desc, tx_ring->dma);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2149
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2150
	tx_ring->desc = NULL;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2151
}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2152
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2153
/**
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2154
 * e1000_free_all_tx_resources - Free Tx Resources for All Queues
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2155
 * @adapter: board private structure
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2156
 *
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2157
 * Free all transmit software resources
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2158
 **/
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2159
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2160
void
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2161
e1000_free_all_tx_resources(struct e1000_adapter *adapter)
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2162
{
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2163
	int i;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2164
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2165
	for (i = 0; i < adapter->num_tx_queues; i++)
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2166
		e1000_free_tx_resources(adapter, &adapter->tx_ring[i]);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2167
}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2168
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2169
static void
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2170
e1000_unmap_and_free_tx_resource(struct e1000_adapter *adapter,
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2171
			struct e1000_buffer *buffer_info)
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2172
{
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2173
	if (adapter->ecdev)
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2174
		return;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2175
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2176
	if (buffer_info->dma) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2177
		pci_unmap_page(adapter->pdev,
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2178
				buffer_info->dma,
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2179
				buffer_info->length,
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2180
				PCI_DMA_TODEVICE);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2181
		buffer_info->dma = 0;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2182
	}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2183
	if (buffer_info->skb) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2184
		dev_kfree_skb_any(buffer_info->skb);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2185
		buffer_info->skb = NULL;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2186
	}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2187
	/* buffer_info must be completely set up in the transmit path */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2188
}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2189
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2190
/**
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2191
 * e1000_clean_tx_ring - Free Tx Buffers
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2192
 * @adapter: board private structure
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2193
 * @tx_ring: ring to be cleaned
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2194
 **/
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2195
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2196
static void
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2197
e1000_clean_tx_ring(struct e1000_adapter *adapter,
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2198
                    struct e1000_tx_ring *tx_ring)
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2199
{
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2200
	struct e1000_buffer *buffer_info;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2201
	unsigned long size;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2202
	unsigned int i;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2203
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2204
	/* Free all the Tx ring sk_buffs */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2205
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2206
	for (i = 0; i < tx_ring->count; i++) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2207
		buffer_info = &tx_ring->buffer_info[i];
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2208
		e1000_unmap_and_free_tx_resource(adapter, buffer_info);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2209
	}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2210
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2211
	size = sizeof(struct e1000_buffer) * tx_ring->count;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2212
	memset(tx_ring->buffer_info, 0, size);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2213
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2214
	/* Zero out the descriptor ring */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2215
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2216
	memset(tx_ring->desc, 0, tx_ring->size);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2217
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2218
	tx_ring->next_to_use = 0;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2219
	tx_ring->next_to_clean = 0;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2220
	tx_ring->last_tx_tso = 0;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2221
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2222
	writel(0, adapter->hw.hw_addr + tx_ring->tdh);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2223
	writel(0, adapter->hw.hw_addr + tx_ring->tdt);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2224
}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2225
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2226
/**
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2227
 * e1000_clean_all_tx_rings - Free Tx Buffers for all queues
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2228
 * @adapter: board private structure
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2229
 **/
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2230
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2231
static void
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2232
e1000_clean_all_tx_rings(struct e1000_adapter *adapter)
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2233
{
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2234
	int i;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2235
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2236
	for (i = 0; i < adapter->num_tx_queues; i++)
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2237
		e1000_clean_tx_ring(adapter, &adapter->tx_ring[i]);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2238
}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2239
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2240
/**
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2241
 * e1000_free_rx_resources - Free Rx Resources
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2242
 * @adapter: board private structure
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2243
 * @rx_ring: ring to clean the resources from
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2244
 *
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2245
 * Free all receive software resources
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2246
 **/
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2247
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2248
static void
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2249
e1000_free_rx_resources(struct e1000_adapter *adapter,
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2250
                        struct e1000_rx_ring *rx_ring)
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2251
{
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2252
	struct pci_dev *pdev = adapter->pdev;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2253
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2254
	e1000_clean_rx_ring(adapter, rx_ring);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2255
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2256
	vfree(rx_ring->buffer_info);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2257
	rx_ring->buffer_info = NULL;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2258
	kfree(rx_ring->ps_page);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2259
	rx_ring->ps_page = NULL;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2260
	kfree(rx_ring->ps_page_dma);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2261
	rx_ring->ps_page_dma = NULL;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2262
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2263
	pci_free_consistent(pdev, rx_ring->size, rx_ring->desc, rx_ring->dma);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2264
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2265
	rx_ring->desc = NULL;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2266
}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2267
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2268
/**
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2269
 * e1000_free_all_rx_resources - Free Rx Resources for All Queues
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2270
 * @adapter: board private structure
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2271
 *
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2272
 * Free all receive software resources
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2273
 **/
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2274
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2275
void
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2276
e1000_free_all_rx_resources(struct e1000_adapter *adapter)
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2277
{
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2278
	int i;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2279
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2280
	for (i = 0; i < adapter->num_rx_queues; i++)
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2281
		e1000_free_rx_resources(adapter, &adapter->rx_ring[i]);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2282
}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2283
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2284
/**
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2285
 * e1000_clean_rx_ring - Free Rx Buffers per Queue
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2286
 * @adapter: board private structure
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2287
 * @rx_ring: ring to free buffers from
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2288
 **/
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2289
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2290
static void
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2291
e1000_clean_rx_ring(struct e1000_adapter *adapter,
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2292
                    struct e1000_rx_ring *rx_ring)
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2293
{
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2294
	struct e1000_buffer *buffer_info;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2295
	struct e1000_ps_page *ps_page;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2296
	struct e1000_ps_page_dma *ps_page_dma;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2297
	struct pci_dev *pdev = adapter->pdev;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2298
	unsigned long size;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2299
	unsigned int i, j;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2300
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2301
	/* Free all the Rx ring sk_buffs */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2302
	for (i = 0; i < rx_ring->count; i++) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2303
		buffer_info = &rx_ring->buffer_info[i];
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2304
		if (buffer_info->skb) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2305
			pci_unmap_single(pdev,
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2306
					 buffer_info->dma,
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2307
					 buffer_info->length,
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2308
					 PCI_DMA_FROMDEVICE);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2309
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2310
			dev_kfree_skb(buffer_info->skb);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2311
			buffer_info->skb = NULL;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2312
		}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2313
		ps_page = &rx_ring->ps_page[i];
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2314
		ps_page_dma = &rx_ring->ps_page_dma[i];
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2315
		for (j = 0; j < adapter->rx_ps_pages; j++) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2316
			if (!ps_page->ps_page[j]) break;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2317
			pci_unmap_page(pdev,
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2318
				       ps_page_dma->ps_page_dma[j],
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2319
				       PAGE_SIZE, PCI_DMA_FROMDEVICE);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2320
			ps_page_dma->ps_page_dma[j] = 0;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2321
			put_page(ps_page->ps_page[j]);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2322
			ps_page->ps_page[j] = NULL;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2323
		}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2324
	}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2325
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2326
	size = sizeof(struct e1000_buffer) * rx_ring->count;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2327
	memset(rx_ring->buffer_info, 0, size);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2328
	size = sizeof(struct e1000_ps_page) * rx_ring->count;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2329
	memset(rx_ring->ps_page, 0, size);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2330
	size = sizeof(struct e1000_ps_page_dma) * rx_ring->count;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2331
	memset(rx_ring->ps_page_dma, 0, size);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2332
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2333
	/* Zero out the descriptor ring */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2334
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2335
	memset(rx_ring->desc, 0, rx_ring->size);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2336
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2337
	rx_ring->next_to_clean = 0;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2338
	rx_ring->next_to_use = 0;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2339
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2340
	writel(0, adapter->hw.hw_addr + rx_ring->rdh);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2341
	writel(0, adapter->hw.hw_addr + rx_ring->rdt);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2342
}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2343
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2344
/**
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2345
 * e1000_clean_all_rx_rings - Free Rx Buffers for all queues
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2346
 * @adapter: board private structure
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2347
 **/
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2348
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2349
static void
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2350
e1000_clean_all_rx_rings(struct e1000_adapter *adapter)
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2351
{
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2352
	int i;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2353
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2354
	for (i = 0; i < adapter->num_rx_queues; i++)
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2355
		e1000_clean_rx_ring(adapter, &adapter->rx_ring[i]);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2356
}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2357
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2358
/* The 82542 2.0 (revision 2) needs to have the receive unit in reset
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2359
 * and memory write and invalidate disabled for certain operations
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2360
 */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2361
static void
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2362
e1000_enter_82542_rst(struct e1000_adapter *adapter)
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2363
{
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2364
	struct net_device *netdev = adapter->netdev;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2365
	uint32_t rctl;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2366
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2367
	e1000_pci_clear_mwi(&adapter->hw);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2368
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2369
	rctl = E1000_READ_REG(&adapter->hw, RCTL);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2370
	rctl |= E1000_RCTL_RST;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2371
	E1000_WRITE_REG(&adapter->hw, RCTL, rctl);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2372
	E1000_WRITE_FLUSH(&adapter->hw);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2373
	mdelay(5);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2374
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2375
	if (!adapter->ecdev && netif_running(netdev))
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2376
		e1000_clean_all_rx_rings(adapter);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2377
}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2378
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2379
static void
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2380
e1000_leave_82542_rst(struct e1000_adapter *adapter)
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2381
{
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2382
	struct net_device *netdev = adapter->netdev;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2383
	uint32_t rctl;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2384
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2385
	rctl = E1000_READ_REG(&adapter->hw, RCTL);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2386
	rctl &= ~E1000_RCTL_RST;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2387
	E1000_WRITE_REG(&adapter->hw, RCTL, rctl);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2388
	E1000_WRITE_FLUSH(&adapter->hw);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2389
	mdelay(5);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2390
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2391
	if (adapter->hw.pci_cmd_word & PCI_COMMAND_INVALIDATE)
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2392
		e1000_pci_set_mwi(&adapter->hw);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2393
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2394
	if (!adapter->netdev && netif_running(netdev)) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2395
		/* No need to loop, because 82542 supports only 1 queue */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2396
		struct e1000_rx_ring *ring = &adapter->rx_ring[0];
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2397
		e1000_configure_rx(adapter);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2398
		adapter->alloc_rx_buf(adapter, ring, E1000_DESC_UNUSED(ring));
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2399
	}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2400
}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2401
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2402
/**
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2403
 * e1000_set_mac - Change the Ethernet Address of the NIC
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2404
 * @netdev: network interface device structure
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2405
 * @p: pointer to an address structure
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2406
 *
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2407
 * Returns 0 on success, negative on failure
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2408
 **/
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2409
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2410
static int
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2411
e1000_set_mac(struct net_device *netdev, void *p)
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2412
{
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2413
	struct e1000_adapter *adapter = netdev_priv(netdev);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2414
	struct sockaddr *addr = p;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2415
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2416
	if (!is_valid_ether_addr(addr->sa_data))
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2417
		return -EADDRNOTAVAIL;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2418
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2419
	/* 82542 2.0 needs to be in reset to write receive address registers */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2420
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2421
	if (adapter->hw.mac_type == e1000_82542_rev2_0)
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2422
		e1000_enter_82542_rst(adapter);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2423
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2424
	memcpy(netdev->dev_addr, addr->sa_data, netdev->addr_len);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2425
	memcpy(adapter->hw.mac_addr, addr->sa_data, netdev->addr_len);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2426
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2427
	e1000_rar_set(&adapter->hw, adapter->hw.mac_addr, 0);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2428
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2429
	/* With 82571 controllers, LAA may be overwritten (with the default)
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2430
	 * due to controller reset from the other port. */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2431
	if (adapter->hw.mac_type == e1000_82571) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2432
		/* activate the work around */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2433
		adapter->hw.laa_is_present = 1;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2434
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2435
		/* Hold a copy of the LAA in RAR[14] This is done so that
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2436
		 * between the time RAR[0] gets clobbered  and the time it
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2437
		 * gets fixed (in e1000_watchdog), the actual LAA is in one
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2438
		 * of the RARs and no incoming packets directed to this port
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2439
		 * are dropped. Eventaully the LAA will be in RAR[0] and
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2440
		 * RAR[14] */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2441
		e1000_rar_set(&adapter->hw, adapter->hw.mac_addr,
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2442
					E1000_RAR_ENTRIES - 1);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2443
	}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2444
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2445
	if (adapter->hw.mac_type == e1000_82542_rev2_0)
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2446
		e1000_leave_82542_rst(adapter);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2447
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2448
	return 0;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2449
}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2450
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2451
/**
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2452
 * e1000_set_multi - Multicast and Promiscuous mode set
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2453
 * @netdev: network interface device structure
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2454
 *
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2455
 * The set_multi entry point is called whenever the multicast address
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2456
 * list or the network interface flags are updated.  This routine is
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2457
 * responsible for configuring the hardware for proper multicast,
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2458
 * promiscuous mode, and all-multi behavior.
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2459
 **/
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2460
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2461
static void
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2462
e1000_set_multi(struct net_device *netdev)
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2463
{
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2464
	struct e1000_adapter *adapter = netdev_priv(netdev);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2465
	struct e1000_hw *hw = &adapter->hw;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2466
	struct dev_mc_list *mc_ptr;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2467
	uint32_t rctl;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2468
	uint32_t hash_value;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2469
	int i, rar_entries = E1000_RAR_ENTRIES;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2470
	int mta_reg_count = (hw->mac_type == e1000_ich8lan) ?
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2471
				E1000_NUM_MTA_REGISTERS_ICH8LAN :
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2472
				E1000_NUM_MTA_REGISTERS;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2473
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2474
	if (adapter->hw.mac_type == e1000_ich8lan)
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2475
		rar_entries = E1000_RAR_ENTRIES_ICH8LAN;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2476
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2477
	/* reserve RAR[14] for LAA over-write work-around */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2478
	if (adapter->hw.mac_type == e1000_82571)
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2479
		rar_entries--;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2480
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2481
	/* Check for Promiscuous and All Multicast modes */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2482
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2483
	rctl = E1000_READ_REG(hw, RCTL);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2484
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2485
	if (netdev->flags & IFF_PROMISC) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2486
		rctl |= (E1000_RCTL_UPE | E1000_RCTL_MPE);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2487
	} else if (netdev->flags & IFF_ALLMULTI) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2488
		rctl |= E1000_RCTL_MPE;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2489
		rctl &= ~E1000_RCTL_UPE;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2490
	} else {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2491
		rctl &= ~(E1000_RCTL_UPE | E1000_RCTL_MPE);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2492
	}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2493
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2494
	E1000_WRITE_REG(hw, RCTL, rctl);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2495
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2496
	/* 82542 2.0 needs to be in reset to write receive address registers */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2497
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2498
	if (hw->mac_type == e1000_82542_rev2_0)
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2499
		e1000_enter_82542_rst(adapter);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2500
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2501
	/* load the first 14 multicast address into the exact filters 1-14
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2502
	 * RAR 0 is used for the station MAC adddress
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2503
	 * if there are not 14 addresses, go ahead and clear the filters
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2504
	 * -- with 82571 controllers only 0-13 entries are filled here
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2505
	 */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2506
	mc_ptr = netdev->mc_list;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2507
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2508
	for (i = 1; i < rar_entries; i++) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2509
		if (mc_ptr) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2510
			e1000_rar_set(hw, mc_ptr->dmi_addr, i);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2511
			mc_ptr = mc_ptr->next;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2512
		} else {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2513
			E1000_WRITE_REG_ARRAY(hw, RA, i << 1, 0);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2514
			E1000_WRITE_FLUSH(hw);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2515
			E1000_WRITE_REG_ARRAY(hw, RA, (i << 1) + 1, 0);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2516
			E1000_WRITE_FLUSH(hw);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2517
		}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2518
	}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2519
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2520
	/* clear the old settings from the multicast hash table */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2521
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2522
	for (i = 0; i < mta_reg_count; i++) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2523
		E1000_WRITE_REG_ARRAY(hw, MTA, i, 0);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2524
		E1000_WRITE_FLUSH(hw);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2525
	}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2526
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2527
	/* load any remaining addresses into the hash table */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2528
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2529
	for (; mc_ptr; mc_ptr = mc_ptr->next) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2530
		hash_value = e1000_hash_mc_addr(hw, mc_ptr->dmi_addr);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2531
		e1000_mta_set(hw, hash_value);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2532
	}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2533
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2534
	if (hw->mac_type == e1000_82542_rev2_0)
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2535
		e1000_leave_82542_rst(adapter);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2536
}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2537
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2538
/* Need to wait a few seconds after link up to get diagnostic information from
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2539
 * the phy */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2540
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2541
static void
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2542
e1000_update_phy_info(unsigned long data)
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2543
{
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2544
	struct e1000_adapter *adapter = (struct e1000_adapter *) data;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2545
	e1000_phy_get_info(&adapter->hw, &adapter->phy_info);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2546
}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2547
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2548
/**
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2549
 * e1000_82547_tx_fifo_stall - Timer Call-back
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2550
 * @data: pointer to adapter cast into an unsigned long
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2551
 **/
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2552
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2553
static void
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2554
e1000_82547_tx_fifo_stall(unsigned long data)
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2555
{
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2556
	struct e1000_adapter *adapter = (struct e1000_adapter *) data;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2557
	struct net_device *netdev = adapter->netdev;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2558
	uint32_t tctl;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2559
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2560
	if (atomic_read(&adapter->tx_fifo_stall)) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2561
		if ((E1000_READ_REG(&adapter->hw, TDT) ==
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2562
		    E1000_READ_REG(&adapter->hw, TDH)) &&
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2563
		   (E1000_READ_REG(&adapter->hw, TDFT) ==
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2564
		    E1000_READ_REG(&adapter->hw, TDFH)) &&
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2565
		   (E1000_READ_REG(&adapter->hw, TDFTS) ==
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2566
		    E1000_READ_REG(&adapter->hw, TDFHS))) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2567
			tctl = E1000_READ_REG(&adapter->hw, TCTL);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2568
			E1000_WRITE_REG(&adapter->hw, TCTL,
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2569
					tctl & ~E1000_TCTL_EN);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2570
			E1000_WRITE_REG(&adapter->hw, TDFT,
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2571
					adapter->tx_head_addr);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2572
			E1000_WRITE_REG(&adapter->hw, TDFH,
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2573
					adapter->tx_head_addr);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2574
			E1000_WRITE_REG(&adapter->hw, TDFTS,
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2575
					adapter->tx_head_addr);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2576
			E1000_WRITE_REG(&adapter->hw, TDFHS,
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2577
					adapter->tx_head_addr);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2578
			E1000_WRITE_REG(&adapter->hw, TCTL, tctl);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2579
			E1000_WRITE_FLUSH(&adapter->hw);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2580
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2581
			adapter->tx_fifo_head = 0;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2582
			atomic_set(&adapter->tx_fifo_stall, 0);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2583
			if (!adapter->ecdev) netif_wake_queue(netdev);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2584
		} else {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2585
			if (!adapter->ecdev)
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2586
				mod_timer(&adapter->tx_fifo_stall_timer, jiffies + 1);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2587
		}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2588
	}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2589
}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2590
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2591
/**
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2592
 * e1000_watchdog - Timer Call-back
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2593
 * @data: pointer to adapter cast into an unsigned long
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2594
 **/
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2595
static void
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2596
e1000_watchdog(unsigned long data)
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2597
{
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2598
	struct e1000_adapter *adapter = (struct e1000_adapter *) data;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2599
	struct net_device *netdev = adapter->netdev;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2600
	struct e1000_tx_ring *txdr = adapter->tx_ring;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2601
	uint32_t link, tctl;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2602
	int32_t ret_val;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2603
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2604
	ret_val = e1000_check_for_link(&adapter->hw);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2605
	if ((ret_val == E1000_ERR_PHY) &&
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2606
	    (adapter->hw.phy_type == e1000_phy_igp_3) &&
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2607
	    (E1000_READ_REG(&adapter->hw, CTRL) & E1000_PHY_CTRL_GBE_DISABLE)) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2608
		/* See e1000_kumeran_lock_loss_workaround() */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2609
		DPRINTK(LINK, INFO,
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2610
			"Gigabit has been disabled, downgrading speed\n");
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2611
	}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2612
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2613
	if (adapter->hw.mac_type == e1000_82573) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2614
		e1000_enable_tx_pkt_filtering(&adapter->hw);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2615
		if (adapter->mng_vlan_id != adapter->hw.mng_cookie.vlan_id)
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2616
			e1000_update_mng_vlan(adapter);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2617
	}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2618
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2619
	if ((adapter->hw.media_type == e1000_media_type_internal_serdes) &&
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2620
	   !(E1000_READ_REG(&adapter->hw, TXCW) & E1000_TXCW_ANE))
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2621
		link = !adapter->hw.serdes_link_down;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2622
	else
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2623
		link = E1000_READ_REG(&adapter->hw, STATUS) & E1000_STATUS_LU;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2624
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2625
	if (link) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2626
		if ((adapter->ecdev && !ecdev_get_link(adapter->ecdev))
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2627
				|| (!adapter->ecdev && !netif_carrier_ok(netdev))) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2628
			boolean_t txb2b = 1;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2629
			e1000_get_speed_and_duplex(&adapter->hw,
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2630
			                           &adapter->link_speed,
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2631
			                           &adapter->link_duplex);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2632
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2633
			DPRINTK(LINK, INFO, "NIC Link is Up %d Mbps %s\n",
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2634
			       adapter->link_speed,
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2635
			       adapter->link_duplex == FULL_DUPLEX ?
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2636
			       "Full Duplex" : "Half Duplex");
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2637
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2638
			/* tweak tx_queue_len according to speed/duplex
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2639
			 * and adjust the timeout factor */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2640
			netdev->tx_queue_len = adapter->tx_queue_len;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2641
			adapter->tx_timeout_factor = 1;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2642
			switch (adapter->link_speed) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2643
			case SPEED_10:
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2644
				txb2b = 0;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2645
				netdev->tx_queue_len = 10;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2646
				adapter->tx_timeout_factor = 8;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2647
				break;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2648
			case SPEED_100:
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2649
				txb2b = 0;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2650
				netdev->tx_queue_len = 100;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2651
				/* maybe add some timeout factor ? */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2652
				break;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2653
			}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2654
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2655
			if ((adapter->hw.mac_type == e1000_82571 ||
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2656
			     adapter->hw.mac_type == e1000_82572) &&
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2657
			    txb2b == 0) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2658
				uint32_t tarc0;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2659
				tarc0 = E1000_READ_REG(&adapter->hw, TARC0);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2660
				tarc0 &= ~(1 << 21);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2661
				E1000_WRITE_REG(&adapter->hw, TARC0, tarc0);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2662
			}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2663
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2664
#ifdef NETIF_F_TSO
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2665
			/* disable TSO for pcie and 10/100 speeds, to avoid
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2666
			 * some hardware issues */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2667
			if (!adapter->tso_force &&
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2668
			    adapter->hw.bus_type == e1000_bus_type_pci_express){
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2669
				switch (adapter->link_speed) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2670
				case SPEED_10:
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2671
				case SPEED_100:
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2672
					DPRINTK(PROBE,INFO,
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2673
				        "10/100 speed: disabling TSO\n");
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2674
					netdev->features &= ~NETIF_F_TSO;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2675
#ifdef NETIF_F_TSO6
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2676
					netdev->features &= ~NETIF_F_TSO6;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2677
#endif
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2678
					break;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2679
				case SPEED_1000:
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2680
					netdev->features |= NETIF_F_TSO;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2681
#ifdef NETIF_F_TSO6
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2682
					netdev->features |= NETIF_F_TSO6;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2683
#endif
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2684
					break;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2685
				default:
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2686
					/* oops */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2687
					break;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2688
				}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2689
			}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2690
#endif
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2691
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2692
			/* enable transmits in the hardware, need to do this
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2693
			 * after setting TARC0 */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2694
			tctl = E1000_READ_REG(&adapter->hw, TCTL);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2695
			tctl |= E1000_TCTL_EN;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2696
			E1000_WRITE_REG(&adapter->hw, TCTL, tctl);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2697
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2698
			if (adapter->ecdev) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2699
				ecdev_set_link(adapter->ecdev, 1);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2700
			} else {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2701
				netif_carrier_on(netdev);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2702
				netif_wake_queue(netdev);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2703
				mod_timer(&adapter->phy_info_timer, jiffies + 2 * HZ);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2704
			}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2705
			adapter->smartspeed = 0;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2706
		} else {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2707
			/* make sure the receive unit is started */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2708
			if (adapter->hw.rx_needs_kicking) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2709
				struct e1000_hw *hw = &adapter->hw;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2710
				uint32_t rctl = E1000_READ_REG(hw, RCTL);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2711
				E1000_WRITE_REG(hw, RCTL, rctl | E1000_RCTL_EN);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2712
			}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2713
		}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2714
	} else {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2715
		if ((adapter->ecdev && ecdev_get_link(adapter->ecdev))
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2716
				|| (!adapter->ecdev && netif_carrier_ok(netdev))) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2717
			adapter->link_speed = 0;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2718
			adapter->link_duplex = 0;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2719
			DPRINTK(LINK, INFO, "NIC Link is Down\n");
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2720
			if (adapter->ecdev) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2721
				ecdev_set_link(adapter->ecdev, 0);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2722
			} else {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2723
				netif_carrier_off(netdev);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2724
				netif_stop_queue(netdev);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2725
                mod_timer(&adapter->phy_info_timer, jiffies + 2 * HZ);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2726
			}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2727
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2728
			/* 80003ES2LAN workaround--
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2729
			 * For packet buffer work-around on link down event;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2730
			 * disable receives in the ISR and
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2731
			 * reset device here in the watchdog
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2732
			 */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2733
			if (adapter->hw.mac_type == e1000_80003es2lan)
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2734
				/* reset device */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2735
				schedule_work(&adapter->reset_task);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2736
		}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2737
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2738
		e1000_smartspeed(adapter);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2739
	}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2740
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2741
	e1000_update_stats(adapter);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2742
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2743
	adapter->hw.tx_packet_delta = adapter->stats.tpt - adapter->tpt_old;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2744
	adapter->tpt_old = adapter->stats.tpt;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2745
	adapter->hw.collision_delta = adapter->stats.colc - adapter->colc_old;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2746
	adapter->colc_old = adapter->stats.colc;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2747
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2748
	adapter->gorcl = adapter->stats.gorcl - adapter->gorcl_old;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2749
	adapter->gorcl_old = adapter->stats.gorcl;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2750
	adapter->gotcl = adapter->stats.gotcl - adapter->gotcl_old;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2751
	adapter->gotcl_old = adapter->stats.gotcl;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2752
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2753
	e1000_update_adaptive(&adapter->hw);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2754
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2755
	if (!adapter->ecdev && !netif_carrier_ok(netdev)) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2756
		if (E1000_DESC_UNUSED(txdr) + 1 < txdr->count) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2757
			/* We've lost link, so the controller stops DMA,
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2758
			 * but we've got queued Tx work that's never going
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2759
			 * to get done, so reset controller to flush Tx.
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2760
			 * (Do the reset outside of interrupt context). */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2761
			adapter->tx_timeout_count++;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2762
			schedule_work(&adapter->reset_task);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2763
		}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2764
	}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2765
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2766
	/* Cause software interrupt to ensure rx ring is cleaned */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2767
	E1000_WRITE_REG(&adapter->hw, ICS, E1000_ICS_RXDMT0);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2768
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2769
	/* Force detection of hung controller every watchdog period */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2770
	if (!adapter->ecdev) adapter->detect_tx_hung = TRUE;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2771
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2772
	/* With 82571 controllers, LAA may be overwritten due to controller
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2773
	 * reset from the other port. Set the appropriate LAA in RAR[0] */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2774
	if (adapter->hw.mac_type == e1000_82571 && adapter->hw.laa_is_present)
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2775
		e1000_rar_set(&adapter->hw, adapter->hw.mac_addr, 0);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2776
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2777
	/* Reset the timer */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2778
	if (!adapter->ecdev)
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2779
        mod_timer(&adapter->watchdog_timer, jiffies + 2 * HZ);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2780
}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2781
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2782
enum latency_range {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2783
	lowest_latency = 0,
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2784
	low_latency = 1,
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2785
	bulk_latency = 2,
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2786
	latency_invalid = 255
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2787
};
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2788
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2789
/**
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2790
 * e1000_update_itr - update the dynamic ITR value based on statistics
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2791
 *      Stores a new ITR value based on packets and byte
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2792
 *      counts during the last interrupt.  The advantage of per interrupt
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2793
 *      computation is faster updates and more accurate ITR for the current
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2794
 *      traffic pattern.  Constants in this function were computed
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2795
 *      based on theoretical maximum wire speed and thresholds were set based
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2796
 *      on testing data as well as attempting to minimize response time
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2797
 *      while increasing bulk throughput.
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2798
 *      this functionality is controlled by the InterruptThrottleRate module
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2799
 *      parameter (see e1000_param.c)
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2800
 * @adapter: pointer to adapter
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2801
 * @itr_setting: current adapter->itr
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2802
 * @packets: the number of packets during this measurement interval
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2803
 * @bytes: the number of bytes during this measurement interval
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2804
 **/
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2805
static unsigned int e1000_update_itr(struct e1000_adapter *adapter,
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2806
                                   uint16_t itr_setting,
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2807
                                   int packets,
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2808
                                   int bytes)
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2809
{
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2810
	unsigned int retval = itr_setting;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2811
	struct e1000_hw *hw = &adapter->hw;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2812
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2813
	if (unlikely(hw->mac_type < e1000_82540))
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2814
		goto update_itr_done;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2815
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2816
	if (packets == 0)
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2817
		goto update_itr_done;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2818
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2819
	switch (itr_setting) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2820
	case lowest_latency:
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2821
		/* jumbo frames get bulk treatment*/
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2822
		if (bytes/packets > 8000)
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2823
			retval = bulk_latency;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2824
		else if ((packets < 5) && (bytes > 512))
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2825
			retval = low_latency;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2826
		break;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2827
	case low_latency:  /* 50 usec aka 20000 ints/s */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2828
		if (bytes > 10000) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2829
			/* jumbo frames need bulk latency setting */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2830
			if (bytes/packets > 8000)
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2831
				retval = bulk_latency;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2832
			else if ((packets < 10) || ((bytes/packets) > 1200))
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2833
				retval = bulk_latency;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2834
			else if ((packets > 35))
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2835
				retval = lowest_latency;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2836
		} else if (bytes/packets > 2000)
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2837
			retval = bulk_latency;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2838
		else if (packets <= 2 && bytes < 512)
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2839
			retval = lowest_latency;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2840
		break;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2841
	case bulk_latency: /* 250 usec aka 4000 ints/s */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2842
		if (bytes > 25000) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2843
			if (packets > 35)
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2844
				retval = low_latency;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2845
		} else if (bytes < 6000) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2846
			retval = low_latency;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2847
		}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2848
		break;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2849
	}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2850
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2851
update_itr_done:
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2852
	return retval;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2853
}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2854
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2855
static void e1000_set_itr(struct e1000_adapter *adapter)
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2856
{
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2857
	struct e1000_hw *hw = &adapter->hw;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2858
	uint16_t current_itr;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2859
	uint32_t new_itr = adapter->itr;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2860
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2861
	if (unlikely(hw->mac_type < e1000_82540))
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2862
		return;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2863
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2864
	/* for non-gigabit speeds, just fix the interrupt rate at 4000 */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2865
	if (unlikely(adapter->link_speed != SPEED_1000)) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2866
		current_itr = 0;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2867
		new_itr = 4000;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2868
		goto set_itr_now;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2869
	}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2870
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2871
	adapter->tx_itr = e1000_update_itr(adapter,
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2872
	                            adapter->tx_itr,
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2873
	                            adapter->total_tx_packets,
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2874
	                            adapter->total_tx_bytes);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2875
	/* conservative mode (itr 3) eliminates the lowest_latency setting */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2876
	if (adapter->itr_setting == 3 && adapter->tx_itr == lowest_latency)
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2877
		adapter->tx_itr = low_latency;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2878
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2879
	adapter->rx_itr = e1000_update_itr(adapter,
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2880
	                            adapter->rx_itr,
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2881
	                            adapter->total_rx_packets,
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2882
	                            adapter->total_rx_bytes);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2883
	/* conservative mode (itr 3) eliminates the lowest_latency setting */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2884
	if (adapter->itr_setting == 3 && adapter->rx_itr == lowest_latency)
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2885
		adapter->rx_itr = low_latency;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2886
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2887
	current_itr = max(adapter->rx_itr, adapter->tx_itr);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2888
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2889
	switch (current_itr) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2890
	/* counts and packets in update_itr are dependent on these numbers */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2891
	case lowest_latency:
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2892
		new_itr = 70000;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2893
		break;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2894
	case low_latency:
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2895
		new_itr = 20000; /* aka hwitr = ~200 */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2896
		break;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2897
	case bulk_latency:
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2898
		new_itr = 4000;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2899
		break;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2900
	default:
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2901
		break;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2902
	}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2903
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2904
set_itr_now:
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2905
	if (new_itr != adapter->itr) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2906
		/* this attempts to bias the interrupt rate towards Bulk
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2907
		 * by adding intermediate steps when interrupt rate is
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2908
		 * increasing */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2909
		new_itr = new_itr > adapter->itr ?
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2910
		             min(adapter->itr + (new_itr >> 2), new_itr) :
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2911
		             new_itr;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2912
		adapter->itr = new_itr;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2913
		E1000_WRITE_REG(hw, ITR, 1000000000 / (new_itr * 256));
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2914
	}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2915
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2916
	return;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2917
}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2918
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2919
#define E1000_TX_FLAGS_CSUM		0x00000001
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2920
#define E1000_TX_FLAGS_VLAN		0x00000002
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2921
#define E1000_TX_FLAGS_TSO		0x00000004
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2922
#define E1000_TX_FLAGS_IPV4		0x00000008
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2923
#define E1000_TX_FLAGS_VLAN_MASK	0xffff0000
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2924
#define E1000_TX_FLAGS_VLAN_SHIFT	16
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2925
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2926
static int
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2927
e1000_tso(struct e1000_adapter *adapter, struct e1000_tx_ring *tx_ring,
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2928
          struct sk_buff *skb)
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2929
{
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2930
#ifdef NETIF_F_TSO
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2931
	struct e1000_context_desc *context_desc;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2932
	struct e1000_buffer *buffer_info;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2933
	unsigned int i;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2934
	uint32_t cmd_length = 0;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2935
	uint16_t ipcse = 0, tucse, mss;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2936
	uint8_t ipcss, ipcso, tucss, tucso, hdr_len;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2937
	int err;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2938
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2939
	if (skb_is_gso(skb)) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2940
		if (skb_header_cloned(skb)) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2941
			err = pskb_expand_head(skb, 0, 0, GFP_ATOMIC);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2942
			if (err)
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2943
				return err;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2944
		}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2945
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2946
		hdr_len = ((skb->h.raw - skb->data) + (skb->h.th->doff << 2));
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2947
		mss = skb_shinfo(skb)->gso_size;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2948
		if (skb->protocol == htons(ETH_P_IP)) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2949
			skb->nh.iph->tot_len = 0;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2950
			skb->nh.iph->check = 0;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2951
			skb->h.th->check =
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2952
				~csum_tcpudp_magic(skb->nh.iph->saddr,
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2953
						   skb->nh.iph->daddr,
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2954
						   0,
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2955
						   IPPROTO_TCP,
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2956
						   0);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2957
			cmd_length = E1000_TXD_CMD_IP;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2958
			ipcse = skb->h.raw - skb->data - 1;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2959
#ifdef NETIF_F_TSO6
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2960
		} else if (skb->protocol == htons(ETH_P_IPV6)) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2961
			skb->nh.ipv6h->payload_len = 0;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2962
			skb->h.th->check =
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2963
				~csum_ipv6_magic(&skb->nh.ipv6h->saddr,
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2964
						 &skb->nh.ipv6h->daddr,
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2965
						 0,
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2966
						 IPPROTO_TCP,
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2967
						 0);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2968
			ipcse = 0;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2969
#endif
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2970
		}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2971
		ipcss = skb->nh.raw - skb->data;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2972
		ipcso = (void *)&(skb->nh.iph->check) - (void *)skb->data;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2973
		tucss = skb->h.raw - skb->data;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2974
		tucso = (void *)&(skb->h.th->check) - (void *)skb->data;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2975
		tucse = 0;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2976
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2977
		cmd_length |= (E1000_TXD_CMD_DEXT | E1000_TXD_CMD_TSE |
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2978
			       E1000_TXD_CMD_TCP | (skb->len - (hdr_len)));
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2979
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2980
		i = tx_ring->next_to_use;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2981
		context_desc = E1000_CONTEXT_DESC(*tx_ring, i);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2982
		buffer_info = &tx_ring->buffer_info[i];
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2983
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2984
		context_desc->lower_setup.ip_fields.ipcss  = ipcss;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2985
		context_desc->lower_setup.ip_fields.ipcso  = ipcso;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2986
		context_desc->lower_setup.ip_fields.ipcse  = cpu_to_le16(ipcse);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2987
		context_desc->upper_setup.tcp_fields.tucss = tucss;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2988
		context_desc->upper_setup.tcp_fields.tucso = tucso;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2989
		context_desc->upper_setup.tcp_fields.tucse = cpu_to_le16(tucse);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2990
		context_desc->tcp_seg_setup.fields.mss     = cpu_to_le16(mss);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2991
		context_desc->tcp_seg_setup.fields.hdr_len = hdr_len;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2992
		context_desc->cmd_and_length = cpu_to_le32(cmd_length);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2993
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2994
		buffer_info->time_stamp = jiffies;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2995
		buffer_info->next_to_watch = i;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2996
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2997
		if (++i == tx_ring->count) i = 0;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2998
		tx_ring->next_to_use = i;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2999
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3000
		return TRUE;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3001
	}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3002
#endif
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3003
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3004
	return FALSE;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3005
}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3006
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3007
static boolean_t
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3008
e1000_tx_csum(struct e1000_adapter *adapter, struct e1000_tx_ring *tx_ring,
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3009
              struct sk_buff *skb)
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3010
{
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3011
	struct e1000_context_desc *context_desc;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3012
	struct e1000_buffer *buffer_info;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3013
	unsigned int i;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3014
	uint8_t css;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3015
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3016
	if (likely(skb->ip_summed == CHECKSUM_PARTIAL)) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3017
		css = skb->h.raw - skb->data;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3018
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3019
		i = tx_ring->next_to_use;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3020
		buffer_info = &tx_ring->buffer_info[i];
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3021
		context_desc = E1000_CONTEXT_DESC(*tx_ring, i);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3022
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3023
		context_desc->upper_setup.tcp_fields.tucss = css;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3024
		context_desc->upper_setup.tcp_fields.tucso = css + skb->csum_offset;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3025
		context_desc->upper_setup.tcp_fields.tucse = 0;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3026
		context_desc->tcp_seg_setup.data = 0;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3027
		context_desc->cmd_and_length = cpu_to_le32(E1000_TXD_CMD_DEXT);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3028
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3029
		buffer_info->time_stamp = jiffies;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3030
		buffer_info->next_to_watch = i;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3031
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3032
		if (unlikely(++i == tx_ring->count)) i = 0;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3033
		tx_ring->next_to_use = i;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3034
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3035
		return TRUE;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3036
	}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3037
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3038
	return FALSE;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3039
}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3040
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3041
#define E1000_MAX_TXD_PWR	12
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3042
#define E1000_MAX_DATA_PER_TXD	(1<<E1000_MAX_TXD_PWR)
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3043
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3044
static int
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3045
e1000_tx_map(struct e1000_adapter *adapter, struct e1000_tx_ring *tx_ring,
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3046
             struct sk_buff *skb, unsigned int first, unsigned int max_per_txd,
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3047
             unsigned int nr_frags, unsigned int mss)
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3048
{
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3049
	struct e1000_buffer *buffer_info;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3050
	unsigned int len = skb->len;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3051
	unsigned int offset = 0, size, count = 0, i;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3052
	unsigned int f;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3053
	len -= skb->data_len;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3054
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3055
	i = tx_ring->next_to_use;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3056
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3057
	while (len) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3058
		buffer_info = &tx_ring->buffer_info[i];
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3059
		size = min(len, max_per_txd);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3060
#ifdef NETIF_F_TSO
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3061
		/* Workaround for Controller erratum --
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3062
		 * descriptor for non-tso packet in a linear SKB that follows a
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3063
		 * tso gets written back prematurely before the data is fully
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3064
		 * DMA'd to the controller */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3065
		if (!skb->data_len && tx_ring->last_tx_tso &&
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3066
		    !skb_is_gso(skb)) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3067
			tx_ring->last_tx_tso = 0;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3068
			size -= 4;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3069
		}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3070
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3071
		/* Workaround for premature desc write-backs
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3072
		 * in TSO mode.  Append 4-byte sentinel desc */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3073
		if (unlikely(mss && !nr_frags && size == len && size > 8))
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3074
			size -= 4;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3075
#endif
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3076
		/* work-around for errata 10 and it applies
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3077
		 * to all controllers in PCI-X mode
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3078
		 * The fix is to make sure that the first descriptor of a
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3079
		 * packet is smaller than 2048 - 16 - 16 (or 2016) bytes
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3080
		 */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3081
		if (unlikely((adapter->hw.bus_type == e1000_bus_type_pcix) &&
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3082
		                (size > 2015) && count == 0))
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3083
		        size = 2015;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3084
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3085
		/* Workaround for potential 82544 hang in PCI-X.  Avoid
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3086
		 * terminating buffers within evenly-aligned dwords. */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3087
		if (unlikely(adapter->pcix_82544 &&
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3088
		   !((unsigned long)(skb->data + offset + size - 1) & 4) &&
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3089
		   size > 4))
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3090
			size -= 4;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3091
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3092
		buffer_info->length = size;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3093
		buffer_info->dma =
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3094
			pci_map_single(adapter->pdev,
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3095
				skb->data + offset,
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3096
				size,
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3097
				PCI_DMA_TODEVICE);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3098
		buffer_info->time_stamp = jiffies;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3099
		buffer_info->next_to_watch = i;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3100
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3101
		len -= size;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3102
		offset += size;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3103
		count++;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3104
		if (unlikely(++i == tx_ring->count)) i = 0;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3105
	}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3106
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3107
	for (f = 0; f < nr_frags; f++) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3108
		struct skb_frag_struct *frag;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3109
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3110
		frag = &skb_shinfo(skb)->frags[f];
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3111
		len = frag->size;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3112
		offset = frag->page_offset;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3113
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3114
		while (len) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3115
			buffer_info = &tx_ring->buffer_info[i];
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3116
			size = min(len, max_per_txd);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3117
#ifdef NETIF_F_TSO
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3118
			/* Workaround for premature desc write-backs
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3119
			 * in TSO mode.  Append 4-byte sentinel desc */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3120
			if (unlikely(mss && f == (nr_frags-1) && size == len && size > 8))
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3121
				size -= 4;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3122
#endif
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3123
			/* Workaround for potential 82544 hang in PCI-X.
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3124
			 * Avoid terminating buffers within evenly-aligned
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3125
			 * dwords. */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3126
			if (unlikely(adapter->pcix_82544 &&
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3127
			   !((unsigned long)(frag->page+offset+size-1) & 4) &&
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3128
			   size > 4))
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3129
				size -= 4;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3130
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3131
			buffer_info->length = size;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3132
			buffer_info->dma =
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3133
				pci_map_page(adapter->pdev,
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3134
					frag->page,
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3135
					offset,
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3136
					size,
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3137
					PCI_DMA_TODEVICE);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3138
			buffer_info->time_stamp = jiffies;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3139
			buffer_info->next_to_watch = i;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3140
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3141
			len -= size;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3142
			offset += size;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3143
			count++;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3144
			if (unlikely(++i == tx_ring->count)) i = 0;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3145
		}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3146
	}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3147
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3148
	i = (i == 0) ? tx_ring->count - 1 : i - 1;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3149
	tx_ring->buffer_info[i].skb = skb;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3150
	tx_ring->buffer_info[first].next_to_watch = i;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3151
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3152
	return count;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3153
}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3154
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3155
static void
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3156
e1000_tx_queue(struct e1000_adapter *adapter, struct e1000_tx_ring *tx_ring,
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3157
               int tx_flags, int count)
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3158
{
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3159
	struct e1000_tx_desc *tx_desc = NULL;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3160
	struct e1000_buffer *buffer_info;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3161
	uint32_t txd_upper = 0, txd_lower = E1000_TXD_CMD_IFCS;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3162
	unsigned int i;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3163
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3164
	if (likely(tx_flags & E1000_TX_FLAGS_TSO)) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3165
		txd_lower |= E1000_TXD_CMD_DEXT | E1000_TXD_DTYP_D |
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3166
		             E1000_TXD_CMD_TSE;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3167
		txd_upper |= E1000_TXD_POPTS_TXSM << 8;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3168
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3169
		if (likely(tx_flags & E1000_TX_FLAGS_IPV4))
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3170
			txd_upper |= E1000_TXD_POPTS_IXSM << 8;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3171
	}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3172
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3173
	if (likely(tx_flags & E1000_TX_FLAGS_CSUM)) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3174
		txd_lower |= E1000_TXD_CMD_DEXT | E1000_TXD_DTYP_D;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3175
		txd_upper |= E1000_TXD_POPTS_TXSM << 8;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3176
	}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3177
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3178
	if (unlikely(tx_flags & E1000_TX_FLAGS_VLAN)) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3179
		txd_lower |= E1000_TXD_CMD_VLE;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3180
		txd_upper |= (tx_flags & E1000_TX_FLAGS_VLAN_MASK);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3181
	}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3182
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3183
	i = tx_ring->next_to_use;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3184
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3185
	while (count--) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3186
		buffer_info = &tx_ring->buffer_info[i];
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3187
		tx_desc = E1000_TX_DESC(*tx_ring, i);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3188
		tx_desc->buffer_addr = cpu_to_le64(buffer_info->dma);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3189
		tx_desc->lower.data =
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3190
			cpu_to_le32(txd_lower | buffer_info->length);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3191
		tx_desc->upper.data = cpu_to_le32(txd_upper);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3192
		if (unlikely(++i == tx_ring->count)) i = 0;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3193
	}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3194
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3195
	tx_desc->lower.data |= cpu_to_le32(adapter->txd_cmd);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3196
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3197
	/* Force memory writes to complete before letting h/w
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3198
	 * know there are new descriptors to fetch.  (Only
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3199
	 * applicable for weak-ordered memory model archs,
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3200
	 * such as IA-64). */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3201
	wmb();
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3202
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3203
	tx_ring->next_to_use = i;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3204
	writel(i, adapter->hw.hw_addr + tx_ring->tdt);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3205
	/* we need this if more than one processor can write to our tail
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3206
	 * at a time, it syncronizes IO on IA64/Altix systems */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3207
	mmiowb();
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3208
}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3209
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3210
/**
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3211
 * 82547 workaround to avoid controller hang in half-duplex environment.
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3212
 * The workaround is to avoid queuing a large packet that would span
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3213
 * the internal Tx FIFO ring boundary by notifying the stack to resend
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3214
 * the packet at a later time.  This gives the Tx FIFO an opportunity to
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3215
 * flush all packets.  When that occurs, we reset the Tx FIFO pointers
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3216
 * to the beginning of the Tx FIFO.
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3217
 **/
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3218
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3219
#define E1000_FIFO_HDR			0x10
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3220
#define E1000_82547_PAD_LEN		0x3E0
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3221
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3222
static int
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3223
e1000_82547_fifo_workaround(struct e1000_adapter *adapter, struct sk_buff *skb)
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3224
{
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3225
	uint32_t fifo_space = adapter->tx_fifo_size - adapter->tx_fifo_head;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3226
	uint32_t skb_fifo_len = skb->len + E1000_FIFO_HDR;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3227
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3228
	E1000_ROUNDUP(skb_fifo_len, E1000_FIFO_HDR);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3229
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3230
	if (adapter->link_duplex != HALF_DUPLEX)
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3231
		goto no_fifo_stall_required;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3232
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3233
	if (atomic_read(&adapter->tx_fifo_stall))
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3234
		return 1;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3235
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3236
	if (skb_fifo_len >= (E1000_82547_PAD_LEN + fifo_space)) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3237
		atomic_set(&adapter->tx_fifo_stall, 1);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3238
		return 1;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3239
	}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3240
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3241
no_fifo_stall_required:
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3242
	adapter->tx_fifo_head += skb_fifo_len;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3243
	if (adapter->tx_fifo_head >= adapter->tx_fifo_size)
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3244
		adapter->tx_fifo_head -= adapter->tx_fifo_size;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3245
	return 0;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3246
}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3247
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3248
#define MINIMUM_DHCP_PACKET_SIZE 282
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3249
static int
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3250
e1000_transfer_dhcp_info(struct e1000_adapter *adapter, struct sk_buff *skb)
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3251
{
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3252
	struct e1000_hw *hw =  &adapter->hw;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3253
	uint16_t length, offset;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3254
	if (vlan_tx_tag_present(skb)) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3255
		if (!((vlan_tx_tag_get(skb) == adapter->hw.mng_cookie.vlan_id) &&
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3256
			( adapter->hw.mng_cookie.status &
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3257
			  E1000_MNG_DHCP_COOKIE_STATUS_VLAN_SUPPORT)) )
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3258
			return 0;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3259
	}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3260
	if (skb->len > MINIMUM_DHCP_PACKET_SIZE) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3261
		struct ethhdr *eth = (struct ethhdr *) skb->data;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3262
		if ((htons(ETH_P_IP) == eth->h_proto)) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3263
			const struct iphdr *ip =
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3264
				(struct iphdr *)((uint8_t *)skb->data+14);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3265
			if (IPPROTO_UDP == ip->protocol) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3266
				struct udphdr *udp =
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3267
					(struct udphdr *)((uint8_t *)ip +
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3268
						(ip->ihl << 2));
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3269
				if (ntohs(udp->dest) == 67) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3270
					offset = (uint8_t *)udp + 8 - skb->data;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3271
					length = skb->len - offset;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3272
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3273
					return e1000_mng_write_dhcp_info(hw,
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3274
							(uint8_t *)udp + 8,
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3275
							length);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3276
				}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3277
			}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3278
		}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3279
	}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3280
	return 0;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3281
}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3282
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3283
static int __e1000_maybe_stop_tx(struct net_device *netdev, int size)
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3284
{
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3285
	struct e1000_adapter *adapter = netdev_priv(netdev);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3286
	struct e1000_tx_ring *tx_ring = adapter->tx_ring;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3287
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3288
	netif_stop_queue(netdev);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3289
	/* Herbert's original patch had:
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3290
	 *  smp_mb__after_netif_stop_queue();
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3291
	 * but since that doesn't exist yet, just open code it. */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3292
	smp_mb();
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3293
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3294
	/* We need to check again in a case another CPU has just
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3295
	 * made room available. */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3296
	if (likely(E1000_DESC_UNUSED(tx_ring) < size))
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3297
		return -EBUSY;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3298
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3299
	/* A reprieve! */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3300
	netif_start_queue(netdev);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3301
	++adapter->restart_queue;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3302
	return 0;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3303
}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3304
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3305
static int e1000_maybe_stop_tx(struct net_device *netdev,
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3306
                               struct e1000_tx_ring *tx_ring, int size)
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3307
{
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3308
	if (likely(E1000_DESC_UNUSED(tx_ring) >= size))
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3309
		return 0;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3310
	return __e1000_maybe_stop_tx(netdev, size);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3311
}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3312
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3313
#define TXD_USE_COUNT(S, X) (((S) >> (X)) + 1 )
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3314
static int
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3315
e1000_xmit_frame(struct sk_buff *skb, struct net_device *netdev)
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3316
{
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3317
	struct e1000_adapter *adapter = netdev_priv(netdev);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3318
	struct e1000_tx_ring *tx_ring;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3319
	unsigned int first, max_per_txd = E1000_MAX_DATA_PER_TXD;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3320
	unsigned int max_txd_pwr = E1000_MAX_TXD_PWR;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3321
	unsigned int tx_flags = 0;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3322
	unsigned int len = skb->len;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3323
	unsigned long flags = 0;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3324
	unsigned int nr_frags = 0;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3325
	unsigned int mss = 0;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3326
	int count = 0;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3327
	int tso;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3328
	unsigned int f;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3329
	len -= skb->data_len;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3330
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3331
	/* This goes back to the question of how to logically map a tx queue
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3332
	 * to a flow.  Right now, performance is impacted slightly negatively
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3333
	 * if using multiple tx queues.  If the stack breaks away from a
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3334
	 * single qdisc implementation, we can look at this again. */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3335
	tx_ring = adapter->tx_ring;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3336
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3337
	if (unlikely(skb->len <= 0)) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3338
		if (!adapter->ecdev)
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3339
			dev_kfree_skb_any(skb);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3340
		return NETDEV_TX_OK;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3341
	}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3342
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3343
	/* 82571 and newer doesn't need the workaround that limited descriptor
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3344
	 * length to 4kB */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3345
	if (adapter->hw.mac_type >= e1000_82571)
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3346
		max_per_txd = 8192;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3347
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3348
#ifdef NETIF_F_TSO
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3349
	mss = skb_shinfo(skb)->gso_size;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3350
	/* The controller does a simple calculation to
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3351
	 * make sure there is enough room in the FIFO before
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3352
	 * initiating the DMA for each buffer.  The calc is:
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3353
	 * 4 = ceil(buffer len/mss).  To make sure we don't
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3354
	 * overrun the FIFO, adjust the max buffer len if mss
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3355
	 * drops. */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3356
	if (mss) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3357
		uint8_t hdr_len;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3358
		max_per_txd = min(mss << 2, max_per_txd);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3359
		max_txd_pwr = fls(max_per_txd) - 1;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3360
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3361
		/* TSO Workaround for 82571/2/3 Controllers -- if skb->data
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3362
		* points to just header, pull a few bytes of payload from
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3363
		* frags into skb->data */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3364
		hdr_len = ((skb->h.raw - skb->data) + (skb->h.th->doff << 2));
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3365
		if (skb->data_len && (hdr_len == (skb->len - skb->data_len))) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3366
			switch (adapter->hw.mac_type) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3367
				unsigned int pull_size;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3368
			case e1000_82544:
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3369
				/* Make sure we have room to chop off 4 bytes,
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3370
				 * and that the end alignment will work out to
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3371
				 * this hardware's requirements
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3372
				 * NOTE: this is a TSO only workaround
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3373
				 * if end byte alignment not correct move us
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3374
				 * into the next dword */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3375
				if ((unsigned long)(skb->tail - 1) & 4)
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3376
					break;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3377
				/* fall through */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3378
			case e1000_82571:
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3379
			case e1000_82572:
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3380
			case e1000_82573:
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3381
			case e1000_ich8lan:
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3382
				pull_size = min((unsigned int)4, skb->data_len);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3383
				if (!__pskb_pull_tail(skb, pull_size)) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3384
					DPRINTK(DRV, ERR,
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3385
						"__pskb_pull_tail failed.\n");
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3386
					dev_kfree_skb_any(skb);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3387
					return NETDEV_TX_OK;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3388
				}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3389
				len = skb->len - skb->data_len;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3390
				break;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3391
			default:
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3392
				/* do nothing */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3393
				break;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3394
			}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3395
		}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3396
	}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3397
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3398
	/* reserve a descriptor for the offload context */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3399
	if ((mss) || (skb->ip_summed == CHECKSUM_PARTIAL))
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3400
		count++;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3401
	count++;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3402
#else
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3403
	if (skb->ip_summed == CHECKSUM_PARTIAL)
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3404
		count++;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3405
#endif
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3406
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3407
#ifdef NETIF_F_TSO
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3408
	/* Controller Erratum workaround */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3409
	if (!skb->data_len && tx_ring->last_tx_tso && !skb_is_gso(skb))
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3410
		count++;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3411
#endif
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3412
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3413
	count += TXD_USE_COUNT(len, max_txd_pwr);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3414
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3415
	if (adapter->pcix_82544)
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3416
		count++;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3417
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3418
	/* work-around for errata 10 and it applies to all controllers
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3419
	 * in PCI-X mode, so add one more descriptor to the count
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3420
	 */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3421
	if (unlikely((adapter->hw.bus_type == e1000_bus_type_pcix) &&
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3422
			(len > 2015)))
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3423
		count++;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3424
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3425
	nr_frags = skb_shinfo(skb)->nr_frags;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3426
	for (f = 0; f < nr_frags; f++)
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3427
		count += TXD_USE_COUNT(skb_shinfo(skb)->frags[f].size,
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3428
				       max_txd_pwr);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3429
	if (adapter->pcix_82544)
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3430
		count += nr_frags;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3431
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3432
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3433
	if (adapter->hw.tx_pkt_filtering &&
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3434
	    (adapter->hw.mac_type == e1000_82573))
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3435
		e1000_transfer_dhcp_info(adapter, skb);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3436
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3437
	if (!adapter->ecdev) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3438
		local_irq_save(flags);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3439
		if (!spin_trylock(&tx_ring->tx_lock)) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3440
			/* Collision - tell upper layer to requeue */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3441
			local_irq_restore(flags);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3442
			return NETDEV_TX_LOCKED;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3443
		}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3444
	}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3445
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3446
	/* need: count + 2 desc gap to keep tail from touching
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3447
	 * head, otherwise try next time */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3448
	if (unlikely(e1000_maybe_stop_tx(netdev, tx_ring, count + 2))) {
1154
04bcd38cf8dc Fixed missing protection for a spin_lock_irqrestore() call.
Florian Pose <fp@igh-essen.com>
parents: 1152
diff changeset
  3449
		if (!adapter->ecdev) {
04bcd38cf8dc Fixed missing protection for a spin_lock_irqrestore() call.
Florian Pose <fp@igh-essen.com>
parents: 1152
diff changeset
  3450
			spin_unlock_irqrestore(&tx_ring->tx_lock, flags);
04bcd38cf8dc Fixed missing protection for a spin_lock_irqrestore() call.
Florian Pose <fp@igh-essen.com>
parents: 1152
diff changeset
  3451
		}
680
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3452
		return NETDEV_TX_BUSY;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3453
	}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3454
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3455
	if (unlikely(adapter->hw.mac_type == e1000_82547)) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3456
		if (unlikely(e1000_82547_fifo_workaround(adapter, skb))) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3457
			if (!adapter->ecdev) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3458
				netif_stop_queue(netdev);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3459
				mod_timer(&adapter->tx_fifo_stall_timer, jiffies + 1);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3460
				spin_unlock_irqrestore(&tx_ring->tx_lock, flags);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3461
			}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3462
			return NETDEV_TX_BUSY;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3463
		}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3464
	}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3465
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3466
	if (unlikely(adapter->vlgrp && vlan_tx_tag_present(skb))) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3467
		tx_flags |= E1000_TX_FLAGS_VLAN;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3468
		tx_flags |= (vlan_tx_tag_get(skb) << E1000_TX_FLAGS_VLAN_SHIFT);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3469
	}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3470
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3471
	first = tx_ring->next_to_use;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3472
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3473
	tso = e1000_tso(adapter, tx_ring, skb);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3474
	if (tso < 0) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3475
		if (!adapter->ecdev) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3476
			dev_kfree_skb_any(skb);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3477
			spin_unlock_irqrestore(&tx_ring->tx_lock, flags);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3478
		}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3479
		return NETDEV_TX_OK;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3480
	}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3481
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3482
	if (likely(tso)) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3483
		tx_ring->last_tx_tso = 1;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3484
		tx_flags |= E1000_TX_FLAGS_TSO;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3485
	} else if (likely(e1000_tx_csum(adapter, tx_ring, skb)))
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3486
		tx_flags |= E1000_TX_FLAGS_CSUM;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3487
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3488
	/* Old method was to assume IPv4 packet by default if TSO was enabled.
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3489
	 * 82571 hardware supports TSO capabilities for IPv6 as well...
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3490
	 * no longer assume, we must. */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3491
	if (likely(skb->protocol == htons(ETH_P_IP)))
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3492
		tx_flags |= E1000_TX_FLAGS_IPV4;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3493
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3494
	e1000_tx_queue(adapter, tx_ring, tx_flags,
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3495
	               e1000_tx_map(adapter, tx_ring, skb, first,
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3496
	                            max_per_txd, nr_frags, mss));
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3497
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3498
	netdev->trans_start = jiffies;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3499
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3500
	if (!adapter->ecdev) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3501
		/* Make sure there is space in the ring for the next send. */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3502
		e1000_maybe_stop_tx(netdev, tx_ring, MAX_SKB_FRAGS + 2);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3503
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3504
		spin_unlock_irqrestore(&tx_ring->tx_lock, flags);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3505
	}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3506
	return NETDEV_TX_OK;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3507
}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3508
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3509
/**
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3510
 * e1000_tx_timeout - Respond to a Tx Hang
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3511
 * @netdev: network interface device structure
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3512
 **/
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3513
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3514
static void
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3515
e1000_tx_timeout(struct net_device *netdev)
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3516
{
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3517
	struct e1000_adapter *adapter = netdev_priv(netdev);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3518
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3519
	/* Do the reset outside of interrupt context */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3520
	adapter->tx_timeout_count++;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3521
	schedule_work(&adapter->reset_task);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3522
}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3523
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3524
static void
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3525
e1000_reset_task(struct work_struct *work)
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3526
{
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3527
	struct e1000_adapter *adapter =
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3528
		container_of(work, struct e1000_adapter, reset_task);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3529
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3530
	e1000_reinit_locked(adapter);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3531
}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3532
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3533
/**
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3534
 * e1000_get_stats - Get System Network Statistics
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3535
 * @netdev: network interface device structure
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3536
 *
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3537
 * Returns the address of the device statistics structure.
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3538
 * The statistics are actually updated from the timer callback.
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3539
 **/
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3540
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3541
static struct net_device_stats *
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3542
e1000_get_stats(struct net_device *netdev)
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3543
{
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3544
	struct e1000_adapter *adapter = netdev_priv(netdev);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3545
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3546
	/* only return the current stats */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3547
	return &adapter->net_stats;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3548
}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3549
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3550
/**
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3551
 * e1000_change_mtu - Change the Maximum Transfer Unit
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3552
 * @netdev: network interface device structure
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3553
 * @new_mtu: new value for maximum frame size
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3554
 *
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3555
 * Returns 0 on success, negative on failure
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3556
 **/
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3557
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3558
static int
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3559
e1000_change_mtu(struct net_device *netdev, int new_mtu)
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3560
{
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3561
	struct e1000_adapter *adapter = netdev_priv(netdev);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3562
	int max_frame = new_mtu + ENET_HEADER_SIZE + ETHERNET_FCS_SIZE;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3563
	uint16_t eeprom_data = 0;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3564
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3565
	if (adapter->ecdev)
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3566
		return -EBUSY;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3567
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3568
	if ((max_frame < MINIMUM_ETHERNET_FRAME_SIZE) ||
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3569
	    (max_frame > MAX_JUMBO_FRAME_SIZE)) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3570
		DPRINTK(PROBE, ERR, "Invalid MTU setting\n");
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3571
		return -EINVAL;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3572
	}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3573
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3574
	/* Adapter-specific max frame size limits. */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3575
	switch (adapter->hw.mac_type) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3576
	case e1000_undefined ... e1000_82542_rev2_1:
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3577
	case e1000_ich8lan:
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3578
		if (max_frame > MAXIMUM_ETHERNET_FRAME_SIZE) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3579
			DPRINTK(PROBE, ERR, "Jumbo Frames not supported.\n");
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3580
			return -EINVAL;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3581
		}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3582
		break;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3583
	case e1000_82573:
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3584
		/* Jumbo Frames not supported if:
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3585
		 * - this is not an 82573L device
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3586
		 * - ASPM is enabled in any way (0x1A bits 3:2) */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3587
		e1000_read_eeprom(&adapter->hw, EEPROM_INIT_3GIO_3, 1,
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3588
		                  &eeprom_data);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3589
		if ((adapter->hw.device_id != E1000_DEV_ID_82573L) ||
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3590
		    (eeprom_data & EEPROM_WORD1A_ASPM_MASK)) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3591
			if (max_frame > MAXIMUM_ETHERNET_FRAME_SIZE) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3592
				DPRINTK(PROBE, ERR,
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3593
			            	"Jumbo Frames not supported.\n");
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3594
				return -EINVAL;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3595
			}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3596
			break;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3597
		}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3598
		/* ERT will be enabled later to enable wire speed receives */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3599
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3600
		/* fall through to get support */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3601
	case e1000_82571:
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3602
	case e1000_82572:
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3603
	case e1000_80003es2lan:
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3604
#define MAX_STD_JUMBO_FRAME_SIZE 9234
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3605
		if (max_frame > MAX_STD_JUMBO_FRAME_SIZE) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3606
			DPRINTK(PROBE, ERR, "MTU > 9216 not supported.\n");
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3607
			return -EINVAL;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3608
		}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3609
		break;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3610
	default:
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3611
		/* Capable of supporting up to MAX_JUMBO_FRAME_SIZE limit. */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3612
		break;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3613
	}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3614
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3615
	/* NOTE: netdev_alloc_skb reserves 16 bytes, and typically NET_IP_ALIGN
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3616
	 * means we reserve 2 more, this pushes us to allocate from the next
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3617
	 * larger slab size
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3618
	 * i.e. RXBUFFER_2048 --> size-4096 slab */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3619
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3620
	if (max_frame <= E1000_RXBUFFER_256)
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3621
		adapter->rx_buffer_len = E1000_RXBUFFER_256;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3622
	else if (max_frame <= E1000_RXBUFFER_512)
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3623
		adapter->rx_buffer_len = E1000_RXBUFFER_512;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3624
	else if (max_frame <= E1000_RXBUFFER_1024)
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3625
		adapter->rx_buffer_len = E1000_RXBUFFER_1024;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3626
	else if (max_frame <= E1000_RXBUFFER_2048)
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3627
		adapter->rx_buffer_len = E1000_RXBUFFER_2048;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3628
	else if (max_frame <= E1000_RXBUFFER_4096)
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3629
		adapter->rx_buffer_len = E1000_RXBUFFER_4096;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3630
	else if (max_frame <= E1000_RXBUFFER_8192)
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3631
		adapter->rx_buffer_len = E1000_RXBUFFER_8192;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3632
	else if (max_frame <= E1000_RXBUFFER_16384)
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3633
		adapter->rx_buffer_len = E1000_RXBUFFER_16384;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3634
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3635
	/* adjust allocation if LPE protects us, and we aren't using SBP */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3636
	if (!adapter->hw.tbi_compatibility_on &&
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3637
	    ((max_frame == MAXIMUM_ETHERNET_FRAME_SIZE) ||
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3638
	     (max_frame == MAXIMUM_ETHERNET_VLAN_SIZE)))
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3639
		adapter->rx_buffer_len = MAXIMUM_ETHERNET_VLAN_SIZE;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3640
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3641
	netdev->mtu = new_mtu;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3642
	adapter->hw.max_frame_size = max_frame;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3643
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3644
	if (netif_running(netdev))
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3645
		e1000_reinit_locked(adapter);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3646
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3647
	return 0;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3648
}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3649
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3650
/**
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3651
 * e1000_update_stats - Update the board statistics counters
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3652
 * @adapter: board private structure
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3653
 **/
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3654
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3655
void
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3656
e1000_update_stats(struct e1000_adapter *adapter)
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3657
{
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3658
	struct e1000_hw *hw = &adapter->hw;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3659
	struct pci_dev *pdev = adapter->pdev;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3660
	unsigned long flags = 0;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3661
	uint16_t phy_tmp;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3662
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3663
#define PHY_IDLE_ERROR_COUNT_MASK 0x00FF
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3664
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3665
	/*
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3666
	 * Prevent stats update while adapter is being reset, or if the pci
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3667
	 * connection is down.
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3668
	 */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3669
	if (adapter->link_speed == 0)
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3670
		return;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3671
	if (pdev->error_state && pdev->error_state != pci_channel_io_normal)
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3672
		return;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3673
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3674
	if (!adapter->ecdev)
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3675
		spin_lock_irqsave(&adapter->stats_lock, flags);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3676
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3677
	/* these counters are modified from e1000_adjust_tbi_stats,
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3678
	 * called from the interrupt context, so they must only
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3679
	 * be written while holding adapter->stats_lock
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3680
	 */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3681
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3682
	adapter->stats.crcerrs += E1000_READ_REG(hw, CRCERRS);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3683
	adapter->stats.gprc += E1000_READ_REG(hw, GPRC);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3684
	adapter->stats.gorcl += E1000_READ_REG(hw, GORCL);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3685
	adapter->stats.gorch += E1000_READ_REG(hw, GORCH);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3686
	adapter->stats.bprc += E1000_READ_REG(hw, BPRC);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3687
	adapter->stats.mprc += E1000_READ_REG(hw, MPRC);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3688
	adapter->stats.roc += E1000_READ_REG(hw, ROC);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3689
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3690
	if (adapter->hw.mac_type != e1000_ich8lan) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3691
		adapter->stats.prc64 += E1000_READ_REG(hw, PRC64);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3692
		adapter->stats.prc127 += E1000_READ_REG(hw, PRC127);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3693
		adapter->stats.prc255 += E1000_READ_REG(hw, PRC255);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3694
		adapter->stats.prc511 += E1000_READ_REG(hw, PRC511);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3695
		adapter->stats.prc1023 += E1000_READ_REG(hw, PRC1023);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3696
		adapter->stats.prc1522 += E1000_READ_REG(hw, PRC1522);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3697
	}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3698
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3699
	adapter->stats.symerrs += E1000_READ_REG(hw, SYMERRS);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3700
	adapter->stats.mpc += E1000_READ_REG(hw, MPC);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3701
	adapter->stats.scc += E1000_READ_REG(hw, SCC);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3702
	adapter->stats.ecol += E1000_READ_REG(hw, ECOL);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3703
	adapter->stats.mcc += E1000_READ_REG(hw, MCC);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3704
	adapter->stats.latecol += E1000_READ_REG(hw, LATECOL);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3705
	adapter->stats.dc += E1000_READ_REG(hw, DC);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3706
	adapter->stats.sec += E1000_READ_REG(hw, SEC);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3707
	adapter->stats.rlec += E1000_READ_REG(hw, RLEC);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3708
	adapter->stats.xonrxc += E1000_READ_REG(hw, XONRXC);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3709
	adapter->stats.xontxc += E1000_READ_REG(hw, XONTXC);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3710
	adapter->stats.xoffrxc += E1000_READ_REG(hw, XOFFRXC);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3711
	adapter->stats.xofftxc += E1000_READ_REG(hw, XOFFTXC);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3712
	adapter->stats.fcruc += E1000_READ_REG(hw, FCRUC);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3713
	adapter->stats.gptc += E1000_READ_REG(hw, GPTC);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3714
	adapter->stats.gotcl += E1000_READ_REG(hw, GOTCL);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3715
	adapter->stats.gotch += E1000_READ_REG(hw, GOTCH);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3716
	adapter->stats.rnbc += E1000_READ_REG(hw, RNBC);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3717
	adapter->stats.ruc += E1000_READ_REG(hw, RUC);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3718
	adapter->stats.rfc += E1000_READ_REG(hw, RFC);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3719
	adapter->stats.rjc += E1000_READ_REG(hw, RJC);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3720
	adapter->stats.torl += E1000_READ_REG(hw, TORL);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3721
	adapter->stats.torh += E1000_READ_REG(hw, TORH);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3722
	adapter->stats.totl += E1000_READ_REG(hw, TOTL);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3723
	adapter->stats.toth += E1000_READ_REG(hw, TOTH);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3724
	adapter->stats.tpr += E1000_READ_REG(hw, TPR);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3725
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3726
	if (adapter->hw.mac_type != e1000_ich8lan) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3727
		adapter->stats.ptc64 += E1000_READ_REG(hw, PTC64);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3728
		adapter->stats.ptc127 += E1000_READ_REG(hw, PTC127);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3729
		adapter->stats.ptc255 += E1000_READ_REG(hw, PTC255);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3730
		adapter->stats.ptc511 += E1000_READ_REG(hw, PTC511);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3731
		adapter->stats.ptc1023 += E1000_READ_REG(hw, PTC1023);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3732
		adapter->stats.ptc1522 += E1000_READ_REG(hw, PTC1522);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3733
	}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3734
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3735
	adapter->stats.mptc += E1000_READ_REG(hw, MPTC);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3736
	adapter->stats.bptc += E1000_READ_REG(hw, BPTC);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3737
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3738
	/* used for adaptive IFS */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3739
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3740
	hw->tx_packet_delta = E1000_READ_REG(hw, TPT);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3741
	adapter->stats.tpt += hw->tx_packet_delta;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3742
	hw->collision_delta = E1000_READ_REG(hw, COLC);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3743
	adapter->stats.colc += hw->collision_delta;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3744
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3745
	if (hw->mac_type >= e1000_82543) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3746
		adapter->stats.algnerrc += E1000_READ_REG(hw, ALGNERRC);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3747
		adapter->stats.rxerrc += E1000_READ_REG(hw, RXERRC);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3748
		adapter->stats.tncrs += E1000_READ_REG(hw, TNCRS);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3749
		adapter->stats.cexterr += E1000_READ_REG(hw, CEXTERR);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3750
		adapter->stats.tsctc += E1000_READ_REG(hw, TSCTC);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3751
		adapter->stats.tsctfc += E1000_READ_REG(hw, TSCTFC);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3752
	}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3753
	if (hw->mac_type > e1000_82547_rev_2) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3754
		adapter->stats.iac += E1000_READ_REG(hw, IAC);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3755
		adapter->stats.icrxoc += E1000_READ_REG(hw, ICRXOC);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3756
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3757
		if (adapter->hw.mac_type != e1000_ich8lan) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3758
			adapter->stats.icrxptc += E1000_READ_REG(hw, ICRXPTC);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3759
			adapter->stats.icrxatc += E1000_READ_REG(hw, ICRXATC);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3760
			adapter->stats.ictxptc += E1000_READ_REG(hw, ICTXPTC);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3761
			adapter->stats.ictxatc += E1000_READ_REG(hw, ICTXATC);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3762
			adapter->stats.ictxqec += E1000_READ_REG(hw, ICTXQEC);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3763
			adapter->stats.ictxqmtc += E1000_READ_REG(hw, ICTXQMTC);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3764
			adapter->stats.icrxdmtc += E1000_READ_REG(hw, ICRXDMTC);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3765
		}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3766
	}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3767
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3768
	/* Fill out the OS statistics structure */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3769
	adapter->net_stats.rx_packets = adapter->stats.gprc;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3770
	adapter->net_stats.tx_packets = adapter->stats.gptc;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3771
	adapter->net_stats.rx_bytes = adapter->stats.gorcl;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3772
	adapter->net_stats.tx_bytes = adapter->stats.gotcl;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3773
	adapter->net_stats.multicast = adapter->stats.mprc;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3774
	adapter->net_stats.collisions = adapter->stats.colc;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3775
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3776
	/* Rx Errors */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3777
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3778
	/* RLEC on some newer hardware can be incorrect so build
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3779
	* our own version based on RUC and ROC */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3780
	adapter->net_stats.rx_errors = adapter->stats.rxerrc +
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3781
		adapter->stats.crcerrs + adapter->stats.algnerrc +
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3782
		adapter->stats.ruc + adapter->stats.roc +
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3783
		adapter->stats.cexterr;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3784
	adapter->stats.rlerrc = adapter->stats.ruc + adapter->stats.roc;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3785
	adapter->net_stats.rx_length_errors = adapter->stats.rlerrc;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3786
	adapter->net_stats.rx_crc_errors = adapter->stats.crcerrs;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3787
	adapter->net_stats.rx_frame_errors = adapter->stats.algnerrc;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3788
	adapter->net_stats.rx_missed_errors = adapter->stats.mpc;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3789
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3790
	/* Tx Errors */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3791
	adapter->stats.txerrc = adapter->stats.ecol + adapter->stats.latecol;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3792
	adapter->net_stats.tx_errors = adapter->stats.txerrc;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3793
	adapter->net_stats.tx_aborted_errors = adapter->stats.ecol;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3794
	adapter->net_stats.tx_window_errors = adapter->stats.latecol;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3795
	adapter->net_stats.tx_carrier_errors = adapter->stats.tncrs;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3796
	if (adapter->hw.bad_tx_carr_stats_fd &&
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3797
	    adapter->link_duplex == FULL_DUPLEX) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3798
		adapter->net_stats.tx_carrier_errors = 0;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3799
		adapter->stats.tncrs = 0;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3800
	}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3801
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3802
	/* Tx Dropped needs to be maintained elsewhere */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3803
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3804
	/* Phy Stats */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3805
	if (hw->media_type == e1000_media_type_copper) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3806
		if ((adapter->link_speed == SPEED_1000) &&
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3807
		   (!e1000_read_phy_reg(hw, PHY_1000T_STATUS, &phy_tmp))) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3808
			phy_tmp &= PHY_IDLE_ERROR_COUNT_MASK;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3809
			adapter->phy_stats.idle_errors += phy_tmp;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3810
		}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3811
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3812
		if ((hw->mac_type <= e1000_82546) &&
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3813
		   (hw->phy_type == e1000_phy_m88) &&
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3814
		   !e1000_read_phy_reg(hw, M88E1000_RX_ERR_CNTR, &phy_tmp))
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3815
			adapter->phy_stats.receive_errors += phy_tmp;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3816
	}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3817
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3818
	/* Management Stats */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3819
	if (adapter->hw.has_smbus) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3820
		adapter->stats.mgptc += E1000_READ_REG(hw, MGTPTC);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3821
		adapter->stats.mgprc += E1000_READ_REG(hw, MGTPRC);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3822
		adapter->stats.mgpdc += E1000_READ_REG(hw, MGTPDC);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3823
	}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3824
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3825
	if (!adapter->ecdev)
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3826
		spin_unlock_irqrestore(&adapter->stats_lock, flags);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3827
}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3828
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3829
void ec_poll(struct net_device *netdev)
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3830
{
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3831
    struct e1000_adapter *adapter = netdev_priv(netdev);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3832
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3833
    if (jiffies - adapter->ec_watchdog_jiffies >= 2 * HZ) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3834
        e1000_watchdog((unsigned long) adapter);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3835
        adapter->ec_watchdog_jiffies = jiffies;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3836
    }
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3837
694
54a169382e28 e1000 also supporting PCI MSI interrupts.
Florian Pose <fp@igh-essen.com>
parents: 680
diff changeset
  3838
#ifdef CONFIG_PCI_MSI
54a169382e28 e1000 also supporting PCI MSI interrupts.
Florian Pose <fp@igh-essen.com>
parents: 680
diff changeset
  3839
	e1000_intr_msi(0, netdev);
54a169382e28 e1000 also supporting PCI MSI interrupts.
Florian Pose <fp@igh-essen.com>
parents: 680
diff changeset
  3840
#else
680
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3841
    e1000_intr(0, netdev);
694
54a169382e28 e1000 also supporting PCI MSI interrupts.
Florian Pose <fp@igh-essen.com>
parents: 680
diff changeset
  3842
#endif
680
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3843
}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3844
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3845
#ifdef CONFIG_PCI_MSI
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3846
/**
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3847
 * e1000_intr_msi - Interrupt Handler
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3848
 * @irq: interrupt number
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3849
 * @data: pointer to a network interface device structure
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3850
 **/
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3851
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3852
static
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3853
irqreturn_t e1000_intr_msi(int irq, void *data)
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3854
{
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3855
	struct net_device *netdev = data;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3856
	struct e1000_adapter *adapter = netdev_priv(netdev);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3857
	struct e1000_hw *hw = &adapter->hw;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3858
	int i;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3859
#ifdef CONFIG_E1000_NAPI
694
54a169382e28 e1000 also supporting PCI MSI interrupts.
Florian Pose <fp@igh-essen.com>
parents: 680
diff changeset
  3860
	int ec_work_done = 0;
54a169382e28 e1000 also supporting PCI MSI interrupts.
Florian Pose <fp@igh-essen.com>
parents: 680
diff changeset
  3861
#endif
54a169382e28 e1000 also supporting PCI MSI interrupts.
Florian Pose <fp@igh-essen.com>
parents: 680
diff changeset
  3862
54a169382e28 e1000 also supporting PCI MSI interrupts.
Florian Pose <fp@igh-essen.com>
parents: 680
diff changeset
  3863
	if (adapter->ecdev) {
54a169382e28 e1000 also supporting PCI MSI interrupts.
Florian Pose <fp@igh-essen.com>
parents: 680
diff changeset
  3864
		for (i = 0; i < E1000_MAX_INTR; i++)
54a169382e28 e1000 also supporting PCI MSI interrupts.
Florian Pose <fp@igh-essen.com>
parents: 680
diff changeset
  3865
#ifdef CONFIG_E1000_NAPI
54a169382e28 e1000 also supporting PCI MSI interrupts.
Florian Pose <fp@igh-essen.com>
parents: 680
diff changeset
  3866
			if (unlikely(!adapter->clean_rx(adapter, adapter->rx_ring,
54a169382e28 e1000 also supporting PCI MSI interrupts.
Florian Pose <fp@igh-essen.com>
parents: 680
diff changeset
  3867
                            &ec_work_done, 100) &
54a169382e28 e1000 also supporting PCI MSI interrupts.
Florian Pose <fp@igh-essen.com>
parents: 680
diff changeset
  3868
						!e1000_clean_tx_irq(adapter, adapter->tx_ring)))
54a169382e28 e1000 also supporting PCI MSI interrupts.
Florian Pose <fp@igh-essen.com>
parents: 680
diff changeset
  3869
#else
54a169382e28 e1000 also supporting PCI MSI interrupts.
Florian Pose <fp@igh-essen.com>
parents: 680
diff changeset
  3870
			if (unlikely(!adapter->clean_rx(adapter, adapter->rx_ring) &
54a169382e28 e1000 also supporting PCI MSI interrupts.
Florian Pose <fp@igh-essen.com>
parents: 680
diff changeset
  3871
						!e1000_clean_tx_irq(adapter, adapter->tx_ring)))
54a169382e28 e1000 also supporting PCI MSI interrupts.
Florian Pose <fp@igh-essen.com>
parents: 680
diff changeset
  3872
#endif
54a169382e28 e1000 also supporting PCI MSI interrupts.
Florian Pose <fp@igh-essen.com>
parents: 680
diff changeset
  3873
				break;
54a169382e28 e1000 also supporting PCI MSI interrupts.
Florian Pose <fp@igh-essen.com>
parents: 680
diff changeset
  3874
	} else {
54a169382e28 e1000 also supporting PCI MSI interrupts.
Florian Pose <fp@igh-essen.com>
parents: 680
diff changeset
  3875
		/* this code avoids the read of ICR but has to get 1000 interrupts
54a169382e28 e1000 also supporting PCI MSI interrupts.
Florian Pose <fp@igh-essen.com>
parents: 680
diff changeset
  3876
		 * at every link change event before it will notice the change */
54a169382e28 e1000 also supporting PCI MSI interrupts.
Florian Pose <fp@igh-essen.com>
parents: 680
diff changeset
  3877
		if (++adapter->detect_link >= 1000) {
54a169382e28 e1000 also supporting PCI MSI interrupts.
Florian Pose <fp@igh-essen.com>
parents: 680
diff changeset
  3878
			uint32_t icr = E1000_READ_REG(hw, ICR);
54a169382e28 e1000 also supporting PCI MSI interrupts.
Florian Pose <fp@igh-essen.com>
parents: 680
diff changeset
  3879
#ifdef CONFIG_E1000_NAPI
54a169382e28 e1000 also supporting PCI MSI interrupts.
Florian Pose <fp@igh-essen.com>
parents: 680
diff changeset
  3880
			/* read ICR disables interrupts using IAM, so keep up with our
54a169382e28 e1000 also supporting PCI MSI interrupts.
Florian Pose <fp@igh-essen.com>
parents: 680
diff changeset
  3881
			 * enable/disable accounting */
54a169382e28 e1000 also supporting PCI MSI interrupts.
Florian Pose <fp@igh-essen.com>
parents: 680
diff changeset
  3882
			atomic_inc(&adapter->irq_sem);
54a169382e28 e1000 also supporting PCI MSI interrupts.
Florian Pose <fp@igh-essen.com>
parents: 680
diff changeset
  3883
#endif
54a169382e28 e1000 also supporting PCI MSI interrupts.
Florian Pose <fp@igh-essen.com>
parents: 680
diff changeset
  3884
			adapter->detect_link = 0;
54a169382e28 e1000 also supporting PCI MSI interrupts.
Florian Pose <fp@igh-essen.com>
parents: 680
diff changeset
  3885
			if ((icr & (E1000_ICR_RXSEQ | E1000_ICR_LSC)) &&
54a169382e28 e1000 also supporting PCI MSI interrupts.
Florian Pose <fp@igh-essen.com>
parents: 680
diff changeset
  3886
					(icr & E1000_ICR_INT_ASSERTED)) {
54a169382e28 e1000 also supporting PCI MSI interrupts.
Florian Pose <fp@igh-essen.com>
parents: 680
diff changeset
  3887
				hw->get_link_status = 1;
54a169382e28 e1000 also supporting PCI MSI interrupts.
Florian Pose <fp@igh-essen.com>
parents: 680
diff changeset
  3888
				/* 80003ES2LAN workaround--
54a169382e28 e1000 also supporting PCI MSI interrupts.
Florian Pose <fp@igh-essen.com>
parents: 680
diff changeset
  3889
				 * For packet buffer work-around on link down event;
54a169382e28 e1000 also supporting PCI MSI interrupts.
Florian Pose <fp@igh-essen.com>
parents: 680
diff changeset
  3890
				 * disable receives here in the ISR and
54a169382e28 e1000 also supporting PCI MSI interrupts.
Florian Pose <fp@igh-essen.com>
parents: 680
diff changeset
  3891
				 * reset adapter in watchdog
54a169382e28 e1000 also supporting PCI MSI interrupts.
Florian Pose <fp@igh-essen.com>
parents: 680
diff changeset
  3892
				 */
54a169382e28 e1000 also supporting PCI MSI interrupts.
Florian Pose <fp@igh-essen.com>
parents: 680
diff changeset
  3893
				if (netif_carrier_ok(netdev) &&
54a169382e28 e1000 also supporting PCI MSI interrupts.
Florian Pose <fp@igh-essen.com>
parents: 680
diff changeset
  3894
						(adapter->hw.mac_type == e1000_80003es2lan)) {
54a169382e28 e1000 also supporting PCI MSI interrupts.
Florian Pose <fp@igh-essen.com>
parents: 680
diff changeset
  3895
					/* disable receives */
54a169382e28 e1000 also supporting PCI MSI interrupts.
Florian Pose <fp@igh-essen.com>
parents: 680
diff changeset
  3896
					uint32_t rctl = E1000_READ_REG(hw, RCTL);
54a169382e28 e1000 also supporting PCI MSI interrupts.
Florian Pose <fp@igh-essen.com>
parents: 680
diff changeset
  3897
					E1000_WRITE_REG(hw, RCTL, rctl & ~E1000_RCTL_EN);
54a169382e28 e1000 also supporting PCI MSI interrupts.
Florian Pose <fp@igh-essen.com>
parents: 680
diff changeset
  3898
				}
54a169382e28 e1000 also supporting PCI MSI interrupts.
Florian Pose <fp@igh-essen.com>
parents: 680
diff changeset
  3899
				/* guard against interrupt when we're going down */
54a169382e28 e1000 also supporting PCI MSI interrupts.
Florian Pose <fp@igh-essen.com>
parents: 680
diff changeset
  3900
				if (!test_bit(__E1000_DOWN, &adapter->flags))
54a169382e28 e1000 also supporting PCI MSI interrupts.
Florian Pose <fp@igh-essen.com>
parents: 680
diff changeset
  3901
					mod_timer(&adapter->watchdog_timer,
54a169382e28 e1000 also supporting PCI MSI interrupts.
Florian Pose <fp@igh-essen.com>
parents: 680
diff changeset
  3902
							jiffies + 1);
680
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3903
			}
694
54a169382e28 e1000 also supporting PCI MSI interrupts.
Florian Pose <fp@igh-essen.com>
parents: 680
diff changeset
  3904
		} else {
54a169382e28 e1000 also supporting PCI MSI interrupts.
Florian Pose <fp@igh-essen.com>
parents: 680
diff changeset
  3905
			E1000_WRITE_REG(hw, ICR, (0xffffffff & ~(E1000_ICR_RXSEQ |
54a169382e28 e1000 also supporting PCI MSI interrupts.
Florian Pose <fp@igh-essen.com>
parents: 680
diff changeset
  3906
							E1000_ICR_LSC)));
54a169382e28 e1000 also supporting PCI MSI interrupts.
Florian Pose <fp@igh-essen.com>
parents: 680
diff changeset
  3907
			/* bummer we have to flush here, but things break otherwise as
54a169382e28 e1000 also supporting PCI MSI interrupts.
Florian Pose <fp@igh-essen.com>
parents: 680
diff changeset
  3908
			 * some event appears to be lost or delayed and throughput
54a169382e28 e1000 also supporting PCI MSI interrupts.
Florian Pose <fp@igh-essen.com>
parents: 680
diff changeset
  3909
			 * drops.  In almost all tests this flush is un-necessary */
54a169382e28 e1000 also supporting PCI MSI interrupts.
Florian Pose <fp@igh-essen.com>
parents: 680
diff changeset
  3910
			E1000_WRITE_FLUSH(hw);
680
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3911
#ifdef CONFIG_E1000_NAPI
694
54a169382e28 e1000 also supporting PCI MSI interrupts.
Florian Pose <fp@igh-essen.com>
parents: 680
diff changeset
  3912
			/* Interrupt Auto-Mask (IAM)...upon writing ICR, interrupts are
54a169382e28 e1000 also supporting PCI MSI interrupts.
Florian Pose <fp@igh-essen.com>
parents: 680
diff changeset
  3913
			 * masked.  No need for the IMC write, but it does mean we
54a169382e28 e1000 also supporting PCI MSI interrupts.
Florian Pose <fp@igh-essen.com>
parents: 680
diff changeset
  3914
			 * should account for it ASAP. */
54a169382e28 e1000 also supporting PCI MSI interrupts.
Florian Pose <fp@igh-essen.com>
parents: 680
diff changeset
  3915
			atomic_inc(&adapter->irq_sem);
54a169382e28 e1000 also supporting PCI MSI interrupts.
Florian Pose <fp@igh-essen.com>
parents: 680
diff changeset
  3916
#endif
54a169382e28 e1000 also supporting PCI MSI interrupts.
Florian Pose <fp@igh-essen.com>
parents: 680
diff changeset
  3917
		}
680
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3918
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3919
#ifdef CONFIG_E1000_NAPI
694
54a169382e28 e1000 also supporting PCI MSI interrupts.
Florian Pose <fp@igh-essen.com>
parents: 680
diff changeset
  3920
		if (likely(netif_rx_schedule_prep(netdev))) {
54a169382e28 e1000 also supporting PCI MSI interrupts.
Florian Pose <fp@igh-essen.com>
parents: 680
diff changeset
  3921
			adapter->total_tx_bytes = 0;
54a169382e28 e1000 also supporting PCI MSI interrupts.
Florian Pose <fp@igh-essen.com>
parents: 680
diff changeset
  3922
			adapter->total_tx_packets = 0;
54a169382e28 e1000 also supporting PCI MSI interrupts.
Florian Pose <fp@igh-essen.com>
parents: 680
diff changeset
  3923
			adapter->total_rx_bytes = 0;
54a169382e28 e1000 also supporting PCI MSI interrupts.
Florian Pose <fp@igh-essen.com>
parents: 680
diff changeset
  3924
			adapter->total_rx_packets = 0;
54a169382e28 e1000 also supporting PCI MSI interrupts.
Florian Pose <fp@igh-essen.com>
parents: 680
diff changeset
  3925
			__netif_rx_schedule(netdev);
54a169382e28 e1000 also supporting PCI MSI interrupts.
Florian Pose <fp@igh-essen.com>
parents: 680
diff changeset
  3926
		} else
54a169382e28 e1000 also supporting PCI MSI interrupts.
Florian Pose <fp@igh-essen.com>
parents: 680
diff changeset
  3927
			e1000_irq_enable(adapter);
54a169382e28 e1000 also supporting PCI MSI interrupts.
Florian Pose <fp@igh-essen.com>
parents: 680
diff changeset
  3928
#else
680
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3929
		adapter->total_tx_bytes = 0;
694
54a169382e28 e1000 also supporting PCI MSI interrupts.
Florian Pose <fp@igh-essen.com>
parents: 680
diff changeset
  3930
		adapter->total_rx_bytes = 0;
680
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3931
		adapter->total_tx_packets = 0;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3932
		adapter->total_rx_packets = 0;
694
54a169382e28 e1000 also supporting PCI MSI interrupts.
Florian Pose <fp@igh-essen.com>
parents: 680
diff changeset
  3933
54a169382e28 e1000 also supporting PCI MSI interrupts.
Florian Pose <fp@igh-essen.com>
parents: 680
diff changeset
  3934
		for (i = 0; i < E1000_MAX_INTR; i++)
54a169382e28 e1000 also supporting PCI MSI interrupts.
Florian Pose <fp@igh-essen.com>
parents: 680
diff changeset
  3935
			if (unlikely(!adapter->clean_rx(adapter, adapter->rx_ring) &
54a169382e28 e1000 also supporting PCI MSI interrupts.
Florian Pose <fp@igh-essen.com>
parents: 680
diff changeset
  3936
						!e1000_clean_tx_irq(adapter, adapter->tx_ring)))
54a169382e28 e1000 also supporting PCI MSI interrupts.
Florian Pose <fp@igh-essen.com>
parents: 680
diff changeset
  3937
				break;
54a169382e28 e1000 also supporting PCI MSI interrupts.
Florian Pose <fp@igh-essen.com>
parents: 680
diff changeset
  3938
54a169382e28 e1000 also supporting PCI MSI interrupts.
Florian Pose <fp@igh-essen.com>
parents: 680
diff changeset
  3939
		if (likely(adapter->itr_setting & 3))
54a169382e28 e1000 also supporting PCI MSI interrupts.
Florian Pose <fp@igh-essen.com>
parents: 680
diff changeset
  3940
			e1000_set_itr(adapter);
54a169382e28 e1000 also supporting PCI MSI interrupts.
Florian Pose <fp@igh-essen.com>
parents: 680
diff changeset
  3941
#endif
54a169382e28 e1000 also supporting PCI MSI interrupts.
Florian Pose <fp@igh-essen.com>
parents: 680
diff changeset
  3942
	}
680
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3943
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3944
	return IRQ_HANDLED;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3945
}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3946
#endif
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3947
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3948
/**
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3949
 * e1000_intr - Interrupt Handler
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3950
 * @irq: interrupt number
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3951
 * @data: pointer to a network interface device structure
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3952
 **/
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3953
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3954
static irqreturn_t
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3955
e1000_intr(int irq, void *data)
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3956
{
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3957
	struct net_device *netdev = data;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3958
	struct e1000_adapter *adapter = netdev_priv(netdev);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3959
	struct e1000_hw *hw = &adapter->hw;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3960
	uint32_t rctl, icr = E1000_READ_REG(hw, ICR);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3961
	int i;
694
54a169382e28 e1000 also supporting PCI MSI interrupts.
Florian Pose <fp@igh-essen.com>
parents: 680
diff changeset
  3962
#ifdef CONFIG_E1000_NAPI
54a169382e28 e1000 also supporting PCI MSI interrupts.
Florian Pose <fp@igh-essen.com>
parents: 680
diff changeset
  3963
	int ec_work_done = 0;
680
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3964
#endif
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3965
	if (unlikely(!icr))
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3966
		return IRQ_NONE;  /* Not our interrupt */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3967
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3968
#ifdef CONFIG_E1000_NAPI
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3969
	/* IMS will not auto-mask if INT_ASSERTED is not set, and if it is
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3970
	 * not set, then the adapter didn't send an interrupt */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3971
	if (unlikely(hw->mac_type >= e1000_82571 &&
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3972
	             !(icr & E1000_ICR_INT_ASSERTED)))
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3973
		return IRQ_NONE;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3974
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3975
	/* Interrupt Auto-Mask...upon reading ICR,
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3976
	 * interrupts are masked.  No need for the
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3977
	 * IMC write, but it does mean we should
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3978
	 * account for it ASAP. */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3979
	if (!adapter->ecdev && likely(hw->mac_type >= e1000_82571))
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3980
		atomic_inc(&adapter->irq_sem);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3981
#endif
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3982
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3983
	if (!adapter->ecdev && unlikely(icr & (E1000_ICR_RXSEQ | E1000_ICR_LSC))) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3984
		hw->get_link_status = 1;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3985
		/* 80003ES2LAN workaround--
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3986
		 * For packet buffer work-around on link down event;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3987
		 * disable receives here in the ISR and
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3988
		 * reset adapter in watchdog
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3989
		 */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3990
		if (netif_carrier_ok(netdev) &&
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3991
		    (adapter->hw.mac_type == e1000_80003es2lan)) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3992
			/* disable receives */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3993
			rctl = E1000_READ_REG(hw, RCTL);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3994
			E1000_WRITE_REG(hw, RCTL, rctl & ~E1000_RCTL_EN);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3995
		}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3996
		/* guard against interrupt when we're going down */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3997
		if (!test_bit(__E1000_DOWN, &adapter->flags))
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3998
			mod_timer(&adapter->watchdog_timer, jiffies + 1);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3999
	}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4000
694
54a169382e28 e1000 also supporting PCI MSI interrupts.
Florian Pose <fp@igh-essen.com>
parents: 680
diff changeset
  4001
	if (adapter->ecdev) {
54a169382e28 e1000 also supporting PCI MSI interrupts.
Florian Pose <fp@igh-essen.com>
parents: 680
diff changeset
  4002
		for (i = 0; i < E1000_MAX_INTR; i++)
680
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4003
#ifdef CONFIG_E1000_NAPI
694
54a169382e28 e1000 also supporting PCI MSI interrupts.
Florian Pose <fp@igh-essen.com>
parents: 680
diff changeset
  4004
			if (unlikely(!adapter->clean_rx(adapter, adapter->rx_ring,
54a169382e28 e1000 also supporting PCI MSI interrupts.
Florian Pose <fp@igh-essen.com>
parents: 680
diff changeset
  4005
                            &ec_work_done, 100) &
54a169382e28 e1000 also supporting PCI MSI interrupts.
Florian Pose <fp@igh-essen.com>
parents: 680
diff changeset
  4006
						!e1000_clean_tx_irq(adapter, adapter->tx_ring)))
54a169382e28 e1000 also supporting PCI MSI interrupts.
Florian Pose <fp@igh-essen.com>
parents: 680
diff changeset
  4007
#else
54a169382e28 e1000 also supporting PCI MSI interrupts.
Florian Pose <fp@igh-essen.com>
parents: 680
diff changeset
  4008
			if (unlikely(!adapter->clean_rx(adapter, adapter->rx_ring) &
54a169382e28 e1000 also supporting PCI MSI interrupts.
Florian Pose <fp@igh-essen.com>
parents: 680
diff changeset
  4009
						!e1000_clean_tx_irq(adapter, adapter->tx_ring)))
54a169382e28 e1000 also supporting PCI MSI interrupts.
Florian Pose <fp@igh-essen.com>
parents: 680
diff changeset
  4010
#endif
54a169382e28 e1000 also supporting PCI MSI interrupts.
Florian Pose <fp@igh-essen.com>
parents: 680
diff changeset
  4011
				break;
54a169382e28 e1000 also supporting PCI MSI interrupts.
Florian Pose <fp@igh-essen.com>
parents: 680
diff changeset
  4012
	} else {
54a169382e28 e1000 also supporting PCI MSI interrupts.
Florian Pose <fp@igh-essen.com>
parents: 680
diff changeset
  4013
#ifdef CONFIG_E1000_NAPI
680
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4014
		if (unlikely(hw->mac_type < e1000_82571)) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4015
			/* disable interrupts, without the synchronize_irq bit */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4016
			atomic_inc(&adapter->irq_sem);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4017
			E1000_WRITE_REG(hw, IMC, ~0);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4018
			E1000_WRITE_FLUSH(hw);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4019
		}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4020
		if (likely(netif_rx_schedule_prep(netdev))) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4021
			adapter->total_tx_bytes = 0;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4022
			adapter->total_tx_packets = 0;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4023
			adapter->total_rx_bytes = 0;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4024
			adapter->total_rx_packets = 0;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4025
			__netif_rx_schedule(netdev);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4026
		} else
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4027
			/* this really should not happen! if it does it is basically a
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4028
			 * bug, but not a hard error, so enable ints and continue */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4029
			e1000_irq_enable(adapter);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4030
#else
694
54a169382e28 e1000 also supporting PCI MSI interrupts.
Florian Pose <fp@igh-essen.com>
parents: 680
diff changeset
  4031
		/* Writing IMC and IMS is needed for 82547.
54a169382e28 e1000 also supporting PCI MSI interrupts.
Florian Pose <fp@igh-essen.com>
parents: 680
diff changeset
  4032
		 * Due to Hub Link bus being occupied, an interrupt
54a169382e28 e1000 also supporting PCI MSI interrupts.
Florian Pose <fp@igh-essen.com>
parents: 680
diff changeset
  4033
		 * de-assertion message is not able to be sent.
54a169382e28 e1000 also supporting PCI MSI interrupts.
Florian Pose <fp@igh-essen.com>
parents: 680
diff changeset
  4034
		 * When an interrupt assertion message is generated later,
54a169382e28 e1000 also supporting PCI MSI interrupts.
Florian Pose <fp@igh-essen.com>
parents: 680
diff changeset
  4035
		 * two messages are re-ordered and sent out.
54a169382e28 e1000 also supporting PCI MSI interrupts.
Florian Pose <fp@igh-essen.com>
parents: 680
diff changeset
  4036
		 * That causes APIC to think 82547 is in de-assertion
54a169382e28 e1000 also supporting PCI MSI interrupts.
Florian Pose <fp@igh-essen.com>
parents: 680
diff changeset
  4037
		 * state, while 82547 is in assertion state, resulting
54a169382e28 e1000 also supporting PCI MSI interrupts.
Florian Pose <fp@igh-essen.com>
parents: 680
diff changeset
  4038
		 * in dead lock. Writing IMC forces 82547 into
54a169382e28 e1000 also supporting PCI MSI interrupts.
Florian Pose <fp@igh-essen.com>
parents: 680
diff changeset
  4039
		 * de-assertion state.
54a169382e28 e1000 also supporting PCI MSI interrupts.
Florian Pose <fp@igh-essen.com>
parents: 680
diff changeset
  4040
		 */
54a169382e28 e1000 also supporting PCI MSI interrupts.
Florian Pose <fp@igh-essen.com>
parents: 680
diff changeset
  4041
		if (hw->mac_type == e1000_82547 || hw->mac_type == e1000_82547_rev_2) {
54a169382e28 e1000 also supporting PCI MSI interrupts.
Florian Pose <fp@igh-essen.com>
parents: 680
diff changeset
  4042
			atomic_inc(&adapter->irq_sem);
54a169382e28 e1000 also supporting PCI MSI interrupts.
Florian Pose <fp@igh-essen.com>
parents: 680
diff changeset
  4043
			E1000_WRITE_REG(hw, IMC, ~0);
54a169382e28 e1000 also supporting PCI MSI interrupts.
Florian Pose <fp@igh-essen.com>
parents: 680
diff changeset
  4044
		}
54a169382e28 e1000 also supporting PCI MSI interrupts.
Florian Pose <fp@igh-essen.com>
parents: 680
diff changeset
  4045
54a169382e28 e1000 also supporting PCI MSI interrupts.
Florian Pose <fp@igh-essen.com>
parents: 680
diff changeset
  4046
		adapter->total_tx_bytes = 0;
54a169382e28 e1000 also supporting PCI MSI interrupts.
Florian Pose <fp@igh-essen.com>
parents: 680
diff changeset
  4047
		adapter->total_rx_bytes = 0;
54a169382e28 e1000 also supporting PCI MSI interrupts.
Florian Pose <fp@igh-essen.com>
parents: 680
diff changeset
  4048
		adapter->total_tx_packets = 0;
54a169382e28 e1000 also supporting PCI MSI interrupts.
Florian Pose <fp@igh-essen.com>
parents: 680
diff changeset
  4049
		adapter->total_rx_packets = 0;
54a169382e28 e1000 also supporting PCI MSI interrupts.
Florian Pose <fp@igh-essen.com>
parents: 680
diff changeset
  4050
54a169382e28 e1000 also supporting PCI MSI interrupts.
Florian Pose <fp@igh-essen.com>
parents: 680
diff changeset
  4051
		for (i = 0; i < E1000_MAX_INTR; i++)
54a169382e28 e1000 also supporting PCI MSI interrupts.
Florian Pose <fp@igh-essen.com>
parents: 680
diff changeset
  4052
			if (unlikely(!adapter->clean_rx(adapter, adapter->rx_ring) &
54a169382e28 e1000 also supporting PCI MSI interrupts.
Florian Pose <fp@igh-essen.com>
parents: 680
diff changeset
  4053
						!e1000_clean_tx_irq(adapter, adapter->tx_ring)))
54a169382e28 e1000 also supporting PCI MSI interrupts.
Florian Pose <fp@igh-essen.com>
parents: 680
diff changeset
  4054
				break;
54a169382e28 e1000 also supporting PCI MSI interrupts.
Florian Pose <fp@igh-essen.com>
parents: 680
diff changeset
  4055
680
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4056
		if (likely(adapter->itr_setting & 3))
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4057
			e1000_set_itr(adapter);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4058
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4059
		if (hw->mac_type == e1000_82547 || hw->mac_type == e1000_82547_rev_2)
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4060
			e1000_irq_enable(adapter);
694
54a169382e28 e1000 also supporting PCI MSI interrupts.
Florian Pose <fp@igh-essen.com>
parents: 680
diff changeset
  4061
54a169382e28 e1000 also supporting PCI MSI interrupts.
Florian Pose <fp@igh-essen.com>
parents: 680
diff changeset
  4062
#endif
54a169382e28 e1000 also supporting PCI MSI interrupts.
Florian Pose <fp@igh-essen.com>
parents: 680
diff changeset
  4063
	}
680
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4064
	return IRQ_HANDLED;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4065
}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4066
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4067
#ifdef CONFIG_E1000_NAPI
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4068
/**
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4069
 * e1000_clean - NAPI Rx polling callback
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4070
 * @adapter: board private structure
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4071
 **/
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4072
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4073
static int
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4074
e1000_clean(struct net_device *poll_dev, int *budget) // EtherCAT: never called
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4075
{
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4076
	struct e1000_adapter *adapter;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4077
	int work_to_do = min(*budget, poll_dev->quota);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4078
	int tx_cleaned = 0, work_done = 0;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4079
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4080
	/* Must NOT use netdev_priv macro here. */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4081
	adapter = poll_dev->priv;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4082
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4083
	/* Keep link state information with original netdev */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4084
	if (!netif_carrier_ok(poll_dev))
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4085
		goto quit_polling;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4086
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4087
	/* e1000_clean is called per-cpu.  This lock protects
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4088
	 * tx_ring[0] from being cleaned by multiple cpus
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4089
	 * simultaneously.  A failure obtaining the lock means
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4090
	 * tx_ring[0] is currently being cleaned anyway. */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4091
	if (spin_trylock(&adapter->tx_queue_lock)) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4092
		tx_cleaned = e1000_clean_tx_irq(adapter,
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4093
		                                &adapter->tx_ring[0]);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4094
		spin_unlock(&adapter->tx_queue_lock);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4095
	}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4096
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4097
	adapter->clean_rx(adapter, &adapter->rx_ring[0],
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4098
	                  &work_done, work_to_do);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4099
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4100
	*budget -= work_done;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4101
	poll_dev->quota -= work_done;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4102
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4103
	/* If no Tx and not enough Rx work done, exit the polling mode */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4104
	if ((!tx_cleaned && (work_done == 0)) ||
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4105
	   !netif_running(poll_dev)) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4106
quit_polling:
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4107
		if (likely(adapter->itr_setting & 3))
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4108
			e1000_set_itr(adapter);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4109
		netif_rx_complete(poll_dev);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4110
		e1000_irq_enable(adapter);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4111
		return 0;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4112
	}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4113
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4114
	return 1;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4115
}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4116
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4117
#endif
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4118
/**
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4119
 * e1000_clean_tx_irq - Reclaim resources after transmit completes
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4120
 * @adapter: board private structure
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4121
 **/
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4122
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4123
static boolean_t
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4124
e1000_clean_tx_irq(struct e1000_adapter *adapter,
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4125
                   struct e1000_tx_ring *tx_ring)
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4126
{
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4127
	struct net_device *netdev = adapter->netdev;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4128
	struct e1000_tx_desc *tx_desc, *eop_desc;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4129
	struct e1000_buffer *buffer_info;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4130
	unsigned int i, eop;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4131
#ifdef CONFIG_E1000_NAPI
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4132
	unsigned int count = 0;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4133
#endif
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4134
	boolean_t cleaned = FALSE;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4135
	unsigned int total_tx_bytes=0, total_tx_packets=0;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4136
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4137
	i = tx_ring->next_to_clean;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4138
	eop = tx_ring->buffer_info[i].next_to_watch;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4139
	eop_desc = E1000_TX_DESC(*tx_ring, eop);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4140
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4141
	while (eop_desc->upper.data & cpu_to_le32(E1000_TXD_STAT_DD)) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4142
		for (cleaned = FALSE; !cleaned; ) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4143
			tx_desc = E1000_TX_DESC(*tx_ring, i);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4144
			buffer_info = &tx_ring->buffer_info[i];
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4145
			cleaned = (i == eop);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4146
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4147
			if (cleaned) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4148
				struct sk_buff *skb = buffer_info->skb;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4149
				unsigned int segs = skb_shinfo(skb)->gso_segs;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4150
				total_tx_packets += segs;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4151
				total_tx_packets++;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4152
				total_tx_bytes += skb->len;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4153
			}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4154
			e1000_unmap_and_free_tx_resource(adapter, buffer_info);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4155
			tx_desc->upper.data = 0;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4156
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4157
			if (unlikely(++i == tx_ring->count)) i = 0;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4158
		}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4159
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4160
		eop = tx_ring->buffer_info[i].next_to_watch;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4161
		eop_desc = E1000_TX_DESC(*tx_ring, eop);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4162
#ifdef CONFIG_E1000_NAPI
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4163
#define E1000_TX_WEIGHT 64
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4164
		/* weight of a sort for tx, to avoid endless transmit cleanup */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4165
		if (count++ == E1000_TX_WEIGHT) break;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4166
#endif
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4167
	}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4168
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4169
	tx_ring->next_to_clean = i;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4170
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4171
#define TX_WAKE_THRESHOLD 32
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4172
	if (!adapter->ecdev && unlikely(cleaned && netif_carrier_ok(netdev) &&
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4173
		     E1000_DESC_UNUSED(tx_ring) >= TX_WAKE_THRESHOLD)) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4174
		/* Make sure that anybody stopping the queue after this
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4175
		 * sees the new next_to_clean.
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4176
		 */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4177
		smp_mb();
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4178
		if (netif_queue_stopped(netdev)) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4179
			netif_wake_queue(netdev);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4180
			++adapter->restart_queue;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4181
		}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4182
	}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4183
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4184
	if (!adapter->ecdev && adapter->detect_tx_hung) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4185
		/* Detect a transmit hang in hardware, this serializes the
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4186
		 * check with the clearing of time_stamp and movement of i */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4187
		adapter->detect_tx_hung = FALSE;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4188
		if (tx_ring->buffer_info[eop].dma &&
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4189
		    time_after(jiffies, tx_ring->buffer_info[eop].time_stamp +
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4190
		               (adapter->tx_timeout_factor * HZ))
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4191
		    && !(E1000_READ_REG(&adapter->hw, STATUS) &
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4192
		         E1000_STATUS_TXOFF)) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4193
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4194
			/* detected Tx unit hang */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4195
			DPRINTK(DRV, ERR, "Detected Tx Unit Hang\n"
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4196
					"  Tx Queue             <%lu>\n"
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4197
					"  TDH                  <%x>\n"
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4198
					"  TDT                  <%x>\n"
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4199
					"  next_to_use          <%x>\n"
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4200
					"  next_to_clean        <%x>\n"
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4201
					"buffer_info[next_to_clean]\n"
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4202
					"  time_stamp           <%lx>\n"
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4203
					"  next_to_watch        <%x>\n"
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4204
					"  jiffies              <%lx>\n"
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4205
					"  next_to_watch.status <%x>\n",
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4206
				(unsigned long)((tx_ring - adapter->tx_ring) /
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4207
					sizeof(struct e1000_tx_ring)),
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4208
				readl(adapter->hw.hw_addr + tx_ring->tdh),
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4209
				readl(adapter->hw.hw_addr + tx_ring->tdt),
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4210
				tx_ring->next_to_use,
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4211
				tx_ring->next_to_clean,
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4212
				tx_ring->buffer_info[eop].time_stamp,
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4213
				eop,
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4214
				jiffies,
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4215
				eop_desc->upper.fields.status);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4216
			netif_stop_queue(netdev);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4217
		}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4218
	}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4219
	adapter->total_tx_bytes += total_tx_bytes;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4220
	adapter->total_tx_packets += total_tx_packets;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4221
	return cleaned;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4222
}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4223
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4224
/**
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4225
 * e1000_rx_checksum - Receive Checksum Offload for 82543
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4226
 * @adapter:     board private structure
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4227
 * @status_err:  receive descriptor status and error fields
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4228
 * @csum:        receive descriptor csum field
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4229
 * @sk_buff:     socket buffer with received data
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4230
 **/
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4231
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4232
static void
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4233
e1000_rx_checksum(struct e1000_adapter *adapter,
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4234
		  uint32_t status_err, uint32_t csum,
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4235
		  struct sk_buff *skb)
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4236
{
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4237
	uint16_t status = (uint16_t)status_err;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4238
	uint8_t errors = (uint8_t)(status_err >> 24);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4239
	skb->ip_summed = CHECKSUM_NONE;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4240
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4241
	/* 82543 or newer only */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4242
	if (unlikely(adapter->hw.mac_type < e1000_82543)) return;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4243
	/* Ignore Checksum bit is set */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4244
	if (unlikely(status & E1000_RXD_STAT_IXSM)) return;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4245
	/* TCP/UDP checksum error bit is set */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4246
	if (unlikely(errors & E1000_RXD_ERR_TCPE)) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4247
		/* let the stack verify checksum errors */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4248
		adapter->hw_csum_err++;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4249
		return;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4250
	}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4251
	/* TCP/UDP Checksum has not been calculated */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4252
	if (adapter->hw.mac_type <= e1000_82547_rev_2) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4253
		if (!(status & E1000_RXD_STAT_TCPCS))
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4254
			return;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4255
	} else {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4256
		if (!(status & (E1000_RXD_STAT_TCPCS | E1000_RXD_STAT_UDPCS)))
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4257
			return;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4258
	}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4259
	/* It must be a TCP or UDP packet with a valid checksum */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4260
	if (likely(status & E1000_RXD_STAT_TCPCS)) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4261
		/* TCP checksum is good */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4262
		skb->ip_summed = CHECKSUM_UNNECESSARY;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4263
	} else if (adapter->hw.mac_type > e1000_82547_rev_2) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4264
		/* IP fragment with UDP payload */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4265
		/* Hardware complements the payload checksum, so we undo it
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4266
		 * and then put the value in host order for further stack use.
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4267
		 */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4268
		csum = ntohl(csum ^ 0xFFFF);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4269
		skb->csum = csum;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4270
		skb->ip_summed = CHECKSUM_COMPLETE;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4271
	}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4272
	adapter->hw_csum_good++;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4273
}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4274
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4275
/**
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4276
 * e1000_clean_rx_irq - Send received data up the network stack; legacy
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4277
 * @adapter: board private structure
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4278
 **/
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4279
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4280
static boolean_t
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4281
#ifdef CONFIG_E1000_NAPI
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4282
e1000_clean_rx_irq(struct e1000_adapter *adapter,
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4283
                   struct e1000_rx_ring *rx_ring,
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4284
                   int *work_done, int work_to_do)
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4285
#else
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4286
e1000_clean_rx_irq(struct e1000_adapter *adapter,
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4287
                   struct e1000_rx_ring *rx_ring)
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4288
#endif
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4289
{
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4290
	struct net_device *netdev = adapter->netdev;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4291
	struct pci_dev *pdev = adapter->pdev;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4292
	struct e1000_rx_desc *rx_desc, *next_rxd;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4293
	struct e1000_buffer *buffer_info, *next_buffer;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4294
	unsigned long flags;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4295
	uint32_t length;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4296
	uint8_t last_byte;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4297
	unsigned int i;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4298
	int cleaned_count = 0;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4299
	boolean_t cleaned = FALSE;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4300
	unsigned int total_rx_bytes=0, total_rx_packets=0;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4301
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4302
	i = rx_ring->next_to_clean;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4303
	rx_desc = E1000_RX_DESC(*rx_ring, i);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4304
	buffer_info = &rx_ring->buffer_info[i];
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4305
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4306
	while (rx_desc->status & E1000_RXD_STAT_DD) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4307
		struct sk_buff *skb;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4308
		u8 status;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4309
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4310
#ifdef CONFIG_E1000_NAPI
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4311
		if (*work_done >= work_to_do)
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4312
			break;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4313
		(*work_done)++;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4314
#endif
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4315
		status = rx_desc->status;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4316
		skb = buffer_info->skb;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4317
		if (!adapter->ecdev) buffer_info->skb = NULL;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4318
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4319
		prefetch(skb->data - NET_IP_ALIGN);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4320
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4321
		if (++i == rx_ring->count) i = 0;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4322
		next_rxd = E1000_RX_DESC(*rx_ring, i);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4323
		prefetch(next_rxd);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4324
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4325
		next_buffer = &rx_ring->buffer_info[i];
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4326
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4327
		cleaned = TRUE;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4328
		cleaned_count++;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4329
		pci_unmap_single(pdev,
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4330
		                 buffer_info->dma,
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4331
		                 buffer_info->length,
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4332
		                 PCI_DMA_FROMDEVICE);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4333
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4334
		length = le16_to_cpu(rx_desc->length);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4335
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4336
		if (unlikely(!(status & E1000_RXD_STAT_EOP))) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4337
			/* All receives must fit into a single buffer */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4338
			E1000_DBG("%s: Receive packet consumed multiple"
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4339
				  " buffers\n", netdev->name);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4340
			/* recycle */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4341
			buffer_info->skb = skb;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4342
			goto next_desc;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4343
		}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4344
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4345
		if (!adapter->ecdev &&
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4346
                unlikely(rx_desc->errors & E1000_RXD_ERR_FRAME_ERR_MASK)) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4347
			last_byte = *(skb->data + length - 1);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4348
			if (TBI_ACCEPT(&adapter->hw, status,
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4349
			              rx_desc->errors, length, last_byte)) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4350
				spin_lock_irqsave(&adapter->stats_lock, flags);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4351
				e1000_tbi_adjust_stats(&adapter->hw,
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4352
				                       &adapter->stats,
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4353
				                       length, skb->data);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4354
				spin_unlock_irqrestore(&adapter->stats_lock,
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4355
				                       flags);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4356
				length--;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4357
			} else {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4358
				/* recycle */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4359
				buffer_info->skb = skb;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4360
				goto next_desc;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4361
			}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4362
		}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4363
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4364
		/* adjust length to remove Ethernet CRC, this must be
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4365
		 * done after the TBI_ACCEPT workaround above */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4366
		length -= 4;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4367
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4368
		/* probably a little skewed due to removing CRC */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4369
		total_rx_bytes += length;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4370
		total_rx_packets++;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4371
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4372
		/* code added for copybreak, this should improve
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4373
		 * performance for small packets with large amounts
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4374
		 * of reassembly being done in the stack */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4375
		if (!adapter->ecdev && length < copybreak) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4376
			struct sk_buff *new_skb =
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4377
			    netdev_alloc_skb(netdev, length + NET_IP_ALIGN);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4378
			if (new_skb) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4379
				skb_reserve(new_skb, NET_IP_ALIGN);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4380
				memcpy(new_skb->data - NET_IP_ALIGN,
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4381
				       skb->data - NET_IP_ALIGN,
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4382
				       length + NET_IP_ALIGN);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4383
				/* save the skb in buffer_info as good */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4384
				buffer_info->skb = skb;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4385
				skb = new_skb;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4386
			}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4387
			/* else just continue with the old one */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4388
		}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4389
		/* end copybreak code */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4390
		skb_put(skb, length);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4391
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4392
		/* Receive Checksum Offload */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4393
		e1000_rx_checksum(adapter,
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4394
				  (uint32_t)(status) |
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4395
				  ((uint32_t)(rx_desc->errors) << 24),
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4396
				  le16_to_cpu(rx_desc->csum), skb);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4397
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4398
		if (adapter->ecdev) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4399
			ecdev_receive(adapter->ecdev, skb->data, length);
1152
30f168c7f74f No need to call e1000 watchdog when frames are received (thanks to O. Zarges).
Florian Pose <fp@igh-essen.com>
parents: 1011
diff changeset
  4400
30f168c7f74f No need to call e1000 watchdog when frames are received (thanks to O. Zarges).
Florian Pose <fp@igh-essen.com>
parents: 1011
diff changeset
  4401
			// No need to detect link status as
30f168c7f74f No need to call e1000 watchdog when frames are received (thanks to O. Zarges).
Florian Pose <fp@igh-essen.com>
parents: 1011
diff changeset
  4402
			// long as frames are received: Reset watchdog.
30f168c7f74f No need to call e1000 watchdog when frames are received (thanks to O. Zarges).
Florian Pose <fp@igh-essen.com>
parents: 1011
diff changeset
  4403
			adapter->ec_watchdog_jiffies = jiffies;
680
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4404
		} else {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4405
			skb->protocol = eth_type_trans(skb, netdev);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4406
#ifdef CONFIG_E1000_NAPI
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4407
			if (unlikely(adapter->vlgrp &&
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4408
						(status & E1000_RXD_STAT_VP))) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4409
				vlan_hwaccel_receive_skb(skb, adapter->vlgrp,
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4410
						le16_to_cpu(rx_desc->special) &
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4411
						E1000_RXD_SPC_VLAN_MASK);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4412
			} else {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4413
				netif_receive_skb(skb);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4414
			}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4415
#else /* CONFIG_E1000_NAPI */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4416
			if (unlikely(adapter->vlgrp &&
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4417
						(status & E1000_RXD_STAT_VP))) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4418
				vlan_hwaccel_rx(skb, adapter->vlgrp,
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4419
						le16_to_cpu(rx_desc->special) &
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4420
						E1000_RXD_SPC_VLAN_MASK);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4421
			} else {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4422
				netif_rx(skb);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4423
			}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4424
#endif /* CONFIG_E1000_NAPI */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4425
		}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4426
		netdev->last_rx = jiffies;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4427
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4428
next_desc:
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4429
		rx_desc->status = 0;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4430
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4431
		/* return some buffers to hardware, one at a time is too slow */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4432
		if (unlikely(cleaned_count >= E1000_RX_BUFFER_WRITE)) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4433
			adapter->alloc_rx_buf(adapter, rx_ring, cleaned_count);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4434
			cleaned_count = 0;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4435
		}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4436
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4437
		/* use prefetched values */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4438
		rx_desc = next_rxd;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4439
		buffer_info = next_buffer;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4440
	}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4441
	rx_ring->next_to_clean = i;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4442
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4443
	cleaned_count = E1000_DESC_UNUSED(rx_ring);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4444
	if (cleaned_count)
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4445
		adapter->alloc_rx_buf(adapter, rx_ring, cleaned_count);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4446
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4447
	adapter->total_rx_packets += total_rx_packets;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4448
	adapter->total_rx_bytes += total_rx_bytes;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4449
	return cleaned;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4450
}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4451
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4452
/**
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4453
 * e1000_clean_rx_irq_ps - Send received data up the network stack; packet split
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4454
 * @adapter: board private structure
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4455
 **/
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4456
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4457
static boolean_t
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4458
#ifdef CONFIG_E1000_NAPI
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4459
e1000_clean_rx_irq_ps(struct e1000_adapter *adapter,
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4460
                      struct e1000_rx_ring *rx_ring,
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4461
                      int *work_done, int work_to_do)
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4462
#else
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4463
e1000_clean_rx_irq_ps(struct e1000_adapter *adapter,
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4464
                      struct e1000_rx_ring *rx_ring)
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4465
#endif
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4466
{
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4467
	union e1000_rx_desc_packet_split *rx_desc, *next_rxd;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4468
	struct net_device *netdev = adapter->netdev;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4469
	struct pci_dev *pdev = adapter->pdev;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4470
	struct e1000_buffer *buffer_info, *next_buffer;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4471
	struct e1000_ps_page *ps_page;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4472
	struct e1000_ps_page_dma *ps_page_dma;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4473
	struct sk_buff *skb;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4474
	unsigned int i, j;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4475
	uint32_t length, staterr;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4476
	int cleaned_count = 0;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4477
	boolean_t cleaned = FALSE;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4478
	unsigned int total_rx_bytes=0, total_rx_packets=0;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4479
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4480
	i = rx_ring->next_to_clean;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4481
	rx_desc = E1000_RX_DESC_PS(*rx_ring, i);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4482
	staterr = le32_to_cpu(rx_desc->wb.middle.status_error);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4483
	buffer_info = &rx_ring->buffer_info[i];
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4484
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4485
	while (staterr & E1000_RXD_STAT_DD) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4486
		ps_page = &rx_ring->ps_page[i];
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4487
		ps_page_dma = &rx_ring->ps_page_dma[i];
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4488
#ifdef CONFIG_E1000_NAPI
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4489
		if (unlikely(*work_done >= work_to_do))
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4490
			break;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4491
		(*work_done)++;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4492
#endif
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4493
		skb = buffer_info->skb;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4494
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4495
		/* in the packet split case this is header only */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4496
		prefetch(skb->data - NET_IP_ALIGN);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4497
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4498
		if (++i == rx_ring->count) i = 0;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4499
		next_rxd = E1000_RX_DESC_PS(*rx_ring, i);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4500
		prefetch(next_rxd);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4501
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4502
		next_buffer = &rx_ring->buffer_info[i];
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4503
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4504
		cleaned = TRUE;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4505
		cleaned_count++;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4506
		pci_unmap_single(pdev, buffer_info->dma,
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4507
				 buffer_info->length,
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4508
				 PCI_DMA_FROMDEVICE);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4509
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4510
		if (unlikely(!(staterr & E1000_RXD_STAT_EOP))) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4511
			E1000_DBG("%s: Packet Split buffers didn't pick up"
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4512
				  " the full packet\n", netdev->name);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4513
			if (!adapter->ecdev) dev_kfree_skb_irq(skb);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4514
			goto next_desc;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4515
		}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4516
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4517
		if (unlikely(staterr & E1000_RXDEXT_ERR_FRAME_ERR_MASK)) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4518
			if (!adapter->ecdev) dev_kfree_skb_irq(skb);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4519
			goto next_desc;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4520
		}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4521
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4522
		length = le16_to_cpu(rx_desc->wb.middle.length0);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4523
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4524
		if (unlikely(!length)) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4525
			E1000_DBG("%s: Last part of the packet spanning"
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4526
				  " multiple descriptors\n", netdev->name);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4527
			if (!adapter->ecdev) dev_kfree_skb_irq(skb);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4528
			goto next_desc;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4529
		}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4530
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4531
		/* Good Receive */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4532
		skb_put(skb, length);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4533
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4534
		{
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4535
		/* this looks ugly, but it seems compiler issues make it
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4536
		   more efficient than reusing j */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4537
		int l1 = le16_to_cpu(rx_desc->wb.upper.length[0]);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4538
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4539
		/* page alloc/put takes too long and effects small packet
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4540
		 * throughput, so unsplit small packets and save the alloc/put*/
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4541
		if (l1 && (l1 <= copybreak) && ((length + l1) <= adapter->rx_ps_bsize0)) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4542
			u8 *vaddr;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4543
			/* there is no documentation about how to call
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4544
			 * kmap_atomic, so we can't hold the mapping
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4545
			 * very long */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4546
			pci_dma_sync_single_for_cpu(pdev,
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4547
				ps_page_dma->ps_page_dma[0],
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4548
				PAGE_SIZE,
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4549
				PCI_DMA_FROMDEVICE);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4550
			vaddr = kmap_atomic(ps_page->ps_page[0],
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4551
			                    KM_SKB_DATA_SOFTIRQ);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4552
			memcpy(skb->tail, vaddr, l1);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4553
			kunmap_atomic(vaddr, KM_SKB_DATA_SOFTIRQ);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4554
			pci_dma_sync_single_for_device(pdev,
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4555
				ps_page_dma->ps_page_dma[0],
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4556
				PAGE_SIZE, PCI_DMA_FROMDEVICE);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4557
			/* remove the CRC */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4558
			l1 -= 4;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4559
			skb_put(skb, l1);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4560
			goto copydone;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4561
		} /* if */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4562
		}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4563
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4564
		for (j = 0; j < adapter->rx_ps_pages; j++) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4565
			if (!(length= le16_to_cpu(rx_desc->wb.upper.length[j])))
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4566
				break;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4567
			pci_unmap_page(pdev, ps_page_dma->ps_page_dma[j],
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4568
					PAGE_SIZE, PCI_DMA_FROMDEVICE);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4569
			ps_page_dma->ps_page_dma[j] = 0;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4570
			skb_fill_page_desc(skb, j, ps_page->ps_page[j], 0,
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4571
			                   length);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4572
			ps_page->ps_page[j] = NULL;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4573
			skb->len += length;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4574
			skb->data_len += length;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4575
			skb->truesize += length;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4576
		}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4577
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4578
		/* strip the ethernet crc, problem is we're using pages now so
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4579
		 * this whole operation can get a little cpu intensive */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4580
		pskb_trim(skb, skb->len - 4);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4581
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4582
copydone:
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4583
		total_rx_bytes += skb->len;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4584
		total_rx_packets++;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4585
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4586
		e1000_rx_checksum(adapter, staterr,
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4587
				  le16_to_cpu(rx_desc->wb.lower.hi_dword.csum_ip.csum), skb);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4588
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4589
		if (likely(rx_desc->wb.upper.header_status &
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4590
			   cpu_to_le16(E1000_RXDPS_HDRSTAT_HDRSP)))
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4591
			adapter->rx_hdr_split++;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4592
		if (adapter->ecdev) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4593
			ecdev_receive(adapter->ecdev, skb->data, length);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4594
		} else {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4595
			skb->protocol = eth_type_trans(skb, netdev);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4596
#ifdef CONFIG_E1000_NAPI
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4597
			if (unlikely(adapter->vlgrp && (staterr & E1000_RXD_STAT_VP))) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4598
				vlan_hwaccel_receive_skb(skb, adapter->vlgrp,
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4599
						le16_to_cpu(rx_desc->wb.middle.vlan) &
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4600
						E1000_RXD_SPC_VLAN_MASK);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4601
			} else {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4602
				netif_receive_skb(skb);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4603
			}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4604
#else /* CONFIG_E1000_NAPI */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4605
			if (unlikely(adapter->vlgrp && (staterr & E1000_RXD_STAT_VP))) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4606
				vlan_hwaccel_rx(skb, adapter->vlgrp,
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4607
						le16_to_cpu(rx_desc->wb.middle.vlan) &
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4608
						E1000_RXD_SPC_VLAN_MASK);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4609
			} else {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4610
				netif_rx(skb);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4611
			}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4612
#endif /* CONFIG_E1000_NAPI */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4613
		}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4614
		netdev->last_rx = jiffies;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4615
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4616
next_desc:
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4617
		rx_desc->wb.middle.status_error &= cpu_to_le32(~0xFF);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4618
		if (!adapter->ecdev) buffer_info->skb = NULL;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4619
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4620
		/* return some buffers to hardware, one at a time is too slow */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4621
		if (unlikely(cleaned_count >= E1000_RX_BUFFER_WRITE)) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4622
			adapter->alloc_rx_buf(adapter, rx_ring, cleaned_count);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4623
			cleaned_count = 0;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4624
		}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4625
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4626
		/* use prefetched values */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4627
		rx_desc = next_rxd;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4628
		buffer_info = next_buffer;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4629
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4630
		staterr = le32_to_cpu(rx_desc->wb.middle.status_error);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4631
	}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4632
	rx_ring->next_to_clean = i;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4633
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4634
	cleaned_count = E1000_DESC_UNUSED(rx_ring);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4635
	if (cleaned_count)
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4636
		adapter->alloc_rx_buf(adapter, rx_ring, cleaned_count);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4637
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4638
	adapter->total_rx_packets += total_rx_packets;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4639
	adapter->total_rx_bytes += total_rx_bytes;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4640
	return cleaned;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4641
}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4642
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4643
/**
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4644
 * e1000_alloc_rx_buffers - Replace used receive buffers; legacy & extended
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4645
 * @adapter: address of board private structure
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4646
 **/
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4647
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4648
static void
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4649
e1000_alloc_rx_buffers(struct e1000_adapter *adapter,
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4650
                       struct e1000_rx_ring *rx_ring,
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4651
		       int cleaned_count)
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4652
{
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4653
	struct net_device *netdev = adapter->netdev;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4654
	struct pci_dev *pdev = adapter->pdev;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4655
	struct e1000_rx_desc *rx_desc;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4656
	struct e1000_buffer *buffer_info;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4657
	struct sk_buff *skb;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4658
	unsigned int i;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4659
	unsigned int bufsz = adapter->rx_buffer_len + NET_IP_ALIGN;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4660
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4661
	i = rx_ring->next_to_use;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4662
	buffer_info = &rx_ring->buffer_info[i];
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4663
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4664
	while (cleaned_count--) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4665
		skb = buffer_info->skb;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4666
		if (skb) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4667
			skb_trim(skb, 0);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4668
			goto map_skb;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4669
		}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4670
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4671
		skb = netdev_alloc_skb(netdev, bufsz);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4672
		if (unlikely(!skb)) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4673
			/* Better luck next round */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4674
			adapter->alloc_rx_buff_failed++;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4675
			break;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4676
		}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4677
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4678
		/* Fix for errata 23, can't cross 64kB boundary */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4679
		if (!e1000_check_64k_bound(adapter, skb->data, bufsz)) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4680
			struct sk_buff *oldskb = skb;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4681
			DPRINTK(RX_ERR, ERR, "skb align check failed: %u bytes "
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4682
					     "at %p\n", bufsz, skb->data);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4683
			/* Try again, without freeing the previous */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4684
			skb = netdev_alloc_skb(netdev, bufsz);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4685
			/* Failed allocation, critical failure */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4686
			if (!skb) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4687
				dev_kfree_skb(oldskb);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4688
				break;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4689
			}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4690
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4691
			if (!e1000_check_64k_bound(adapter, skb->data, bufsz)) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4692
				/* give up */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4693
				dev_kfree_skb(skb);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4694
				dev_kfree_skb(oldskb);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4695
				break; /* while !buffer_info->skb */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4696
			}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4697
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4698
			/* Use new allocation */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4699
			dev_kfree_skb(oldskb);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4700
		}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4701
		/* Make buffer alignment 2 beyond a 16 byte boundary
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4702
		 * this will result in a 16 byte aligned IP header after
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4703
		 * the 14 byte MAC header is removed
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4704
		 */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4705
		skb_reserve(skb, NET_IP_ALIGN);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4706
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4707
		buffer_info->skb = skb;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4708
		buffer_info->length = adapter->rx_buffer_len;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4709
map_skb:
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4710
		buffer_info->dma = pci_map_single(pdev,
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4711
						  skb->data,
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4712
						  adapter->rx_buffer_len,
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4713
						  PCI_DMA_FROMDEVICE);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4714
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4715
		/* Fix for errata 23, can't cross 64kB boundary */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4716
		if (!e1000_check_64k_bound(adapter,
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4717
					(void *)(unsigned long)buffer_info->dma,
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4718
					adapter->rx_buffer_len)) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4719
			DPRINTK(RX_ERR, ERR,
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4720
				"dma align check failed: %u bytes at %p\n",
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4721
				adapter->rx_buffer_len,
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4722
				(void *)(unsigned long)buffer_info->dma);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4723
			if (!adapter->ecdev) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4724
                dev_kfree_skb(skb);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4725
				buffer_info->skb = NULL;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4726
			}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4727
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4728
			pci_unmap_single(pdev, buffer_info->dma,
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4729
					 adapter->rx_buffer_len,
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4730
					 PCI_DMA_FROMDEVICE);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4731
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4732
			break; /* while !buffer_info->skb */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4733
		}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4734
		rx_desc = E1000_RX_DESC(*rx_ring, i);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4735
		rx_desc->buffer_addr = cpu_to_le64(buffer_info->dma);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4736
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4737
		if (unlikely(++i == rx_ring->count))
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4738
			i = 0;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4739
		buffer_info = &rx_ring->buffer_info[i];
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4740
	}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4741
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4742
	if (likely(rx_ring->next_to_use != i)) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4743
		rx_ring->next_to_use = i;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4744
		if (unlikely(i-- == 0))
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4745
			i = (rx_ring->count - 1);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4746
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4747
		/* Force memory writes to complete before letting h/w
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4748
		 * know there are new descriptors to fetch.  (Only
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4749
		 * applicable for weak-ordered memory model archs,
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4750
		 * such as IA-64). */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4751
		wmb();
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4752
		writel(i, adapter->hw.hw_addr + rx_ring->rdt);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4753
	}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4754
}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4755
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4756
/**
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4757
 * e1000_alloc_rx_buffers_ps - Replace used receive buffers; packet split
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4758
 * @adapter: address of board private structure
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4759
 **/
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4760
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4761
static void
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4762
e1000_alloc_rx_buffers_ps(struct e1000_adapter *adapter,
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4763
                          struct e1000_rx_ring *rx_ring,
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4764
			  int cleaned_count)
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4765
{
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4766
	struct net_device *netdev = adapter->netdev;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4767
	struct pci_dev *pdev = adapter->pdev;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4768
	union e1000_rx_desc_packet_split *rx_desc;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4769
	struct e1000_buffer *buffer_info;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4770
	struct e1000_ps_page *ps_page;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4771
	struct e1000_ps_page_dma *ps_page_dma;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4772
	struct sk_buff *skb;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4773
	unsigned int i, j;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4774
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4775
	i = rx_ring->next_to_use;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4776
	buffer_info = &rx_ring->buffer_info[i];
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4777
	ps_page = &rx_ring->ps_page[i];
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4778
	ps_page_dma = &rx_ring->ps_page_dma[i];
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4779
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4780
	while (cleaned_count--) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4781
		rx_desc = E1000_RX_DESC_PS(*rx_ring, i);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4782
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4783
		for (j = 0; j < PS_PAGE_BUFFERS; j++) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4784
			if (j < adapter->rx_ps_pages) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4785
				if (likely(!ps_page->ps_page[j])) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4786
					ps_page->ps_page[j] =
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4787
						alloc_page(GFP_ATOMIC);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4788
					if (unlikely(!ps_page->ps_page[j])) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4789
						adapter->alloc_rx_buff_failed++;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4790
						goto no_buffers;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4791
					}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4792
					ps_page_dma->ps_page_dma[j] =
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4793
						pci_map_page(pdev,
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4794
							    ps_page->ps_page[j],
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4795
							    0, PAGE_SIZE,
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4796
							    PCI_DMA_FROMDEVICE);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4797
				}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4798
				/* Refresh the desc even if buffer_addrs didn't
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4799
				 * change because each write-back erases
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4800
				 * this info.
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4801
				 */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4802
				rx_desc->read.buffer_addr[j+1] =
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4803
				     cpu_to_le64(ps_page_dma->ps_page_dma[j]);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4804
			} else
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4805
				rx_desc->read.buffer_addr[j+1] = ~0;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4806
		}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4807
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4808
		skb = netdev_alloc_skb(netdev,
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4809
		                       adapter->rx_ps_bsize0 + NET_IP_ALIGN);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4810
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4811
		if (unlikely(!skb)) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4812
			adapter->alloc_rx_buff_failed++;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4813
			break;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4814
		}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4815
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4816
		/* Make buffer alignment 2 beyond a 16 byte boundary
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4817
		 * this will result in a 16 byte aligned IP header after
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4818
		 * the 14 byte MAC header is removed
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4819
		 */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4820
		skb_reserve(skb, NET_IP_ALIGN);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4821
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4822
		buffer_info->skb = skb;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4823
		buffer_info->length = adapter->rx_ps_bsize0;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4824
		buffer_info->dma = pci_map_single(pdev, skb->data,
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4825
						  adapter->rx_ps_bsize0,
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4826
						  PCI_DMA_FROMDEVICE);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4827
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4828
		rx_desc->read.buffer_addr[0] = cpu_to_le64(buffer_info->dma);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4829
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4830
		if (unlikely(++i == rx_ring->count)) i = 0;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4831
		buffer_info = &rx_ring->buffer_info[i];
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4832
		ps_page = &rx_ring->ps_page[i];
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4833
		ps_page_dma = &rx_ring->ps_page_dma[i];
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4834
	}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4835
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4836
no_buffers:
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4837
	if (likely(rx_ring->next_to_use != i)) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4838
		rx_ring->next_to_use = i;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4839
		if (unlikely(i-- == 0)) i = (rx_ring->count - 1);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4840
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4841
		/* Force memory writes to complete before letting h/w
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4842
		 * know there are new descriptors to fetch.  (Only
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4843
		 * applicable for weak-ordered memory model archs,
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4844
		 * such as IA-64). */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4845
		wmb();
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4846
		/* Hardware increments by 16 bytes, but packet split
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4847
		 * descriptors are 32 bytes...so we increment tail
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4848
		 * twice as much.
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4849
		 */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4850
		writel(i<<1, adapter->hw.hw_addr + rx_ring->rdt);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4851
	}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4852
}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4853
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4854
/**
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4855
 * e1000_smartspeed - Workaround for SmartSpeed on 82541 and 82547 controllers.
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4856
 * @adapter:
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4857
 **/
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4858
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4859
static void
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4860
e1000_smartspeed(struct e1000_adapter *adapter)
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4861
{
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4862
	uint16_t phy_status;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4863
	uint16_t phy_ctrl;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4864
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4865
	if ((adapter->hw.phy_type != e1000_phy_igp) || !adapter->hw.autoneg ||
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4866
	   !(adapter->hw.autoneg_advertised & ADVERTISE_1000_FULL))
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4867
		return;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4868
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4869
	if (adapter->smartspeed == 0) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4870
		/* If Master/Slave config fault is asserted twice,
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4871
		 * we assume back-to-back */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4872
		e1000_read_phy_reg(&adapter->hw, PHY_1000T_STATUS, &phy_status);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4873
		if (!(phy_status & SR_1000T_MS_CONFIG_FAULT)) return;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4874
		e1000_read_phy_reg(&adapter->hw, PHY_1000T_STATUS, &phy_status);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4875
		if (!(phy_status & SR_1000T_MS_CONFIG_FAULT)) return;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4876
		e1000_read_phy_reg(&adapter->hw, PHY_1000T_CTRL, &phy_ctrl);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4877
		if (phy_ctrl & CR_1000T_MS_ENABLE) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4878
			phy_ctrl &= ~CR_1000T_MS_ENABLE;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4879
			e1000_write_phy_reg(&adapter->hw, PHY_1000T_CTRL,
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4880
					    phy_ctrl);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4881
			adapter->smartspeed++;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4882
			if (!e1000_phy_setup_autoneg(&adapter->hw) &&
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4883
			   !e1000_read_phy_reg(&adapter->hw, PHY_CTRL,
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4884
				   	       &phy_ctrl)) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4885
				phy_ctrl |= (MII_CR_AUTO_NEG_EN |
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4886
					     MII_CR_RESTART_AUTO_NEG);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4887
				e1000_write_phy_reg(&adapter->hw, PHY_CTRL,
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4888
						    phy_ctrl);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4889
			}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4890
		}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4891
		return;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4892
	} else if (adapter->smartspeed == E1000_SMARTSPEED_DOWNSHIFT) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4893
		/* If still no link, perhaps using 2/3 pair cable */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4894
		e1000_read_phy_reg(&adapter->hw, PHY_1000T_CTRL, &phy_ctrl);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4895
		phy_ctrl |= CR_1000T_MS_ENABLE;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4896
		e1000_write_phy_reg(&adapter->hw, PHY_1000T_CTRL, phy_ctrl);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4897
		if (!e1000_phy_setup_autoneg(&adapter->hw) &&
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4898
		   !e1000_read_phy_reg(&adapter->hw, PHY_CTRL, &phy_ctrl)) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4899
			phy_ctrl |= (MII_CR_AUTO_NEG_EN |
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4900
				     MII_CR_RESTART_AUTO_NEG);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4901
			e1000_write_phy_reg(&adapter->hw, PHY_CTRL, phy_ctrl);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4902
		}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4903
	}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4904
	/* Restart process after E1000_SMARTSPEED_MAX iterations */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4905
	if (adapter->smartspeed++ == E1000_SMARTSPEED_MAX)
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4906
		adapter->smartspeed = 0;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4907
}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4908
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4909
/**
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4910
 * e1000_ioctl -
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4911
 * @netdev:
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4912
 * @ifreq:
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4913
 * @cmd:
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4914
 **/
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4915
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4916
static int
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4917
e1000_ioctl(struct net_device *netdev, struct ifreq *ifr, int cmd)
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4918
{
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4919
	switch (cmd) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4920
	case SIOCGMIIPHY:
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4921
	case SIOCGMIIREG:
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4922
	case SIOCSMIIREG:
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4923
		return e1000_mii_ioctl(netdev, ifr, cmd);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4924
	default:
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4925
		return -EOPNOTSUPP;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4926
	}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4927
}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4928
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4929
/**
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4930
 * e1000_mii_ioctl -
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4931
 * @netdev:
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4932
 * @ifreq:
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4933
 * @cmd:
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4934
 **/
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4935
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4936
static int
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4937
e1000_mii_ioctl(struct net_device *netdev, struct ifreq *ifr, int cmd)
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4938
{
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4939
	struct e1000_adapter *adapter = netdev_priv(netdev);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4940
	struct mii_ioctl_data *data = if_mii(ifr);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4941
	int retval;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4942
	uint16_t mii_reg;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4943
	uint16_t spddplx;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4944
	unsigned long flags;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4945
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4946
	if (adapter->hw.media_type != e1000_media_type_copper)
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4947
		return -EOPNOTSUPP;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4948
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4949
	switch (cmd) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4950
	case SIOCGMIIPHY:
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4951
		data->phy_id = adapter->hw.phy_addr;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4952
		break;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4953
	case SIOCGMIIREG:
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4954
		if (adapter->ecdev || !capable(CAP_NET_ADMIN))
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4955
			return -EPERM;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4956
		spin_lock_irqsave(&adapter->stats_lock, flags);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4957
		if (e1000_read_phy_reg(&adapter->hw, data->reg_num & 0x1F,
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4958
				   &data->val_out)) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4959
			spin_unlock_irqrestore(&adapter->stats_lock, flags);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4960
			return -EIO;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4961
		}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4962
		spin_unlock_irqrestore(&adapter->stats_lock, flags);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4963
		break;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4964
	case SIOCSMIIREG:
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4965
		if (adapter->ecdev || !capable(CAP_NET_ADMIN))
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4966
			return -EPERM;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4967
		if (data->reg_num & ~(0x1F))
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4968
			return -EFAULT;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4969
		mii_reg = data->val_in;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4970
		spin_lock_irqsave(&adapter->stats_lock, flags);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4971
		if (e1000_write_phy_reg(&adapter->hw, data->reg_num,
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4972
					mii_reg)) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4973
			spin_unlock_irqrestore(&adapter->stats_lock, flags);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4974
			return -EIO;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4975
		}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4976
		if (adapter->hw.media_type == e1000_media_type_copper) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4977
			switch (data->reg_num) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4978
			case PHY_CTRL:
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4979
				if (mii_reg & MII_CR_POWER_DOWN)
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4980
					break;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4981
				if (mii_reg & MII_CR_AUTO_NEG_EN) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4982
					adapter->hw.autoneg = 1;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4983
					adapter->hw.autoneg_advertised = 0x2F;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4984
				} else {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4985
					if (mii_reg & 0x40)
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4986
						spddplx = SPEED_1000;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4987
					else if (mii_reg & 0x2000)
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4988
						spddplx = SPEED_100;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4989
					else
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4990
						spddplx = SPEED_10;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4991
					spddplx += (mii_reg & 0x100)
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4992
						   ? DUPLEX_FULL :
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4993
						   DUPLEX_HALF;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4994
					retval = e1000_set_spd_dplx(adapter,
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4995
								    spddplx);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4996
					if (retval) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4997
						spin_unlock_irqrestore(
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4998
							&adapter->stats_lock,
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4999
							flags);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5000
						return retval;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5001
					}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5002
				}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5003
				if (netif_running(adapter->netdev))
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5004
					e1000_reinit_locked(adapter);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5005
				else
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5006
					e1000_reset(adapter);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5007
				break;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5008
			case M88E1000_PHY_SPEC_CTRL:
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5009
			case M88E1000_EXT_PHY_SPEC_CTRL:
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5010
				if (e1000_phy_reset(&adapter->hw)) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5011
					spin_unlock_irqrestore(
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5012
						&adapter->stats_lock, flags);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5013
					return -EIO;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5014
				}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5015
				break;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5016
			}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5017
		} else {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5018
			switch (data->reg_num) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5019
			case PHY_CTRL:
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5020
				if (mii_reg & MII_CR_POWER_DOWN)
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5021
					break;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5022
				if (netif_running(adapter->netdev))
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5023
					e1000_reinit_locked(adapter);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5024
				else
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5025
					e1000_reset(adapter);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5026
				break;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5027
			}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5028
		}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5029
		spin_unlock_irqrestore(&adapter->stats_lock, flags);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5030
		break;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5031
	default:
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5032
		return -EOPNOTSUPP;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5033
	}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5034
	return E1000_SUCCESS;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5035
}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5036
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5037
void
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5038
e1000_pci_set_mwi(struct e1000_hw *hw)
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5039
{
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5040
	struct e1000_adapter *adapter = hw->back;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5041
	int ret_val = pci_set_mwi(adapter->pdev);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5042
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5043
	if (ret_val)
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5044
		DPRINTK(PROBE, ERR, "Error in setting MWI\n");
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5045
}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5046
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5047
void
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5048
e1000_pci_clear_mwi(struct e1000_hw *hw)
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5049
{
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5050
	struct e1000_adapter *adapter = hw->back;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5051
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5052
	pci_clear_mwi(adapter->pdev);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5053
}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5054
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5055
void
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5056
e1000_read_pci_cfg(struct e1000_hw *hw, uint32_t reg, uint16_t *value)
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5057
{
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5058
	struct e1000_adapter *adapter = hw->back;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5059
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5060
	pci_read_config_word(adapter->pdev, reg, value);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5061
}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5062
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5063
void
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5064
e1000_write_pci_cfg(struct e1000_hw *hw, uint32_t reg, uint16_t *value)
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5065
{
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5066
	struct e1000_adapter *adapter = hw->back;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5067
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5068
	pci_write_config_word(adapter->pdev, reg, *value);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5069
}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5070
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5071
int32_t
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5072
e1000_read_pcie_cap_reg(struct e1000_hw *hw, uint32_t reg, uint16_t *value)
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5073
{
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5074
    struct e1000_adapter *adapter = hw->back;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5075
    uint16_t cap_offset;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5076
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5077
    cap_offset = pci_find_capability(adapter->pdev, PCI_CAP_ID_EXP);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5078
    if (!cap_offset)
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5079
        return -E1000_ERR_CONFIG;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5080
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5081
    pci_read_config_word(adapter->pdev, cap_offset + reg, value);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5082
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5083
    return E1000_SUCCESS;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5084
}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5085
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5086
void
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5087
e1000_io_write(struct e1000_hw *hw, unsigned long port, uint32_t value)
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5088
{
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5089
	outl(value, port);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5090
}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5091
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5092
static void
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5093
e1000_vlan_rx_register(struct net_device *netdev, struct vlan_group *grp)
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5094
{
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5095
	struct e1000_adapter *adapter = netdev_priv(netdev);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5096
	uint32_t ctrl, rctl;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5097
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5098
	e1000_irq_disable(adapter);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5099
	adapter->vlgrp = grp;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5100
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5101
	if (grp) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5102
		/* enable VLAN tag insert/strip */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5103
		ctrl = E1000_READ_REG(&adapter->hw, CTRL);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5104
		ctrl |= E1000_CTRL_VME;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5105
		E1000_WRITE_REG(&adapter->hw, CTRL, ctrl);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5106
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5107
		if (adapter->hw.mac_type != e1000_ich8lan) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5108
			/* enable VLAN receive filtering */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5109
			rctl = E1000_READ_REG(&adapter->hw, RCTL);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5110
			rctl |= E1000_RCTL_VFE;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5111
			rctl &= ~E1000_RCTL_CFIEN;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5112
			E1000_WRITE_REG(&adapter->hw, RCTL, rctl);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5113
			e1000_update_mng_vlan(adapter);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5114
		}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5115
	} else {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5116
		/* disable VLAN tag insert/strip */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5117
		ctrl = E1000_READ_REG(&adapter->hw, CTRL);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5118
		ctrl &= ~E1000_CTRL_VME;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5119
		E1000_WRITE_REG(&adapter->hw, CTRL, ctrl);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5120
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5121
		if (adapter->hw.mac_type != e1000_ich8lan) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5122
			/* disable VLAN filtering */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5123
			rctl = E1000_READ_REG(&adapter->hw, RCTL);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5124
			rctl &= ~E1000_RCTL_VFE;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5125
			E1000_WRITE_REG(&adapter->hw, RCTL, rctl);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5126
			if (adapter->mng_vlan_id !=
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5127
			    (uint16_t)E1000_MNG_VLAN_NONE) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5128
				e1000_vlan_rx_kill_vid(netdev,
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5129
				                       adapter->mng_vlan_id);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5130
				adapter->mng_vlan_id = E1000_MNG_VLAN_NONE;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5131
			}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5132
		}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5133
	}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5134
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5135
	e1000_irq_enable(adapter);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5136
}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5137
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5138
static void
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5139
e1000_vlan_rx_add_vid(struct net_device *netdev, uint16_t vid)
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5140
{
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5141
	struct e1000_adapter *adapter = netdev_priv(netdev);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5142
	uint32_t vfta, index;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5143
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5144
	if ((adapter->hw.mng_cookie.status &
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5145
	     E1000_MNG_DHCP_COOKIE_STATUS_VLAN_SUPPORT) &&
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5146
	    (vid == adapter->mng_vlan_id))
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5147
		return;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5148
	/* add VID to filter table */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5149
	index = (vid >> 5) & 0x7F;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5150
	vfta = E1000_READ_REG_ARRAY(&adapter->hw, VFTA, index);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5151
	vfta |= (1 << (vid & 0x1F));
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5152
	e1000_write_vfta(&adapter->hw, index, vfta);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5153
}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5154
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5155
static void
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5156
e1000_vlan_rx_kill_vid(struct net_device *netdev, uint16_t vid)
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5157
{
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5158
	struct e1000_adapter *adapter = netdev_priv(netdev);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5159
	uint32_t vfta, index;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5160
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5161
	e1000_irq_disable(adapter);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5162
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5163
	if (adapter->vlgrp)
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5164
		adapter->vlgrp->vlan_devices[vid] = NULL;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5165
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5166
	e1000_irq_enable(adapter);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5167
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5168
	if ((adapter->hw.mng_cookie.status &
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5169
	     E1000_MNG_DHCP_COOKIE_STATUS_VLAN_SUPPORT) &&
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5170
	    (vid == adapter->mng_vlan_id)) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5171
		/* release control to f/w */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5172
		e1000_release_hw_control(adapter);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5173
		return;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5174
	}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5175
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5176
	/* remove VID from filter table */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5177
	index = (vid >> 5) & 0x7F;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5178
	vfta = E1000_READ_REG_ARRAY(&adapter->hw, VFTA, index);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5179
	vfta &= ~(1 << (vid & 0x1F));
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5180
	e1000_write_vfta(&adapter->hw, index, vfta);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5181
}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5182
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5183
static void
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5184
e1000_restore_vlan(struct e1000_adapter *adapter)
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5185
{
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5186
	e1000_vlan_rx_register(adapter->netdev, adapter->vlgrp);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5187
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5188
	if (adapter->vlgrp) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5189
		uint16_t vid;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5190
		for (vid = 0; vid < VLAN_GROUP_ARRAY_LEN; vid++) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5191
			if (!adapter->vlgrp->vlan_devices[vid])
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5192
				continue;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5193
			e1000_vlan_rx_add_vid(adapter->netdev, vid);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5194
		}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5195
	}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5196
}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5197
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5198
int
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5199
e1000_set_spd_dplx(struct e1000_adapter *adapter, uint16_t spddplx)
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5200
{
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5201
	adapter->hw.autoneg = 0;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5202
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5203
	/* Fiber NICs only allow 1000 gbps Full duplex */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5204
	if ((adapter->hw.media_type == e1000_media_type_fiber) &&
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5205
		spddplx != (SPEED_1000 + DUPLEX_FULL)) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5206
		DPRINTK(PROBE, ERR, "Unsupported Speed/Duplex configuration\n");
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5207
		return -EINVAL;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5208
	}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5209
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5210
	switch (spddplx) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5211
	case SPEED_10 + DUPLEX_HALF:
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5212
		adapter->hw.forced_speed_duplex = e1000_10_half;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5213
		break;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5214
	case SPEED_10 + DUPLEX_FULL:
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5215
		adapter->hw.forced_speed_duplex = e1000_10_full;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5216
		break;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5217
	case SPEED_100 + DUPLEX_HALF:
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5218
		adapter->hw.forced_speed_duplex = e1000_100_half;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5219
		break;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5220
	case SPEED_100 + DUPLEX_FULL:
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5221
		adapter->hw.forced_speed_duplex = e1000_100_full;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5222
		break;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5223
	case SPEED_1000 + DUPLEX_FULL:
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5224
		adapter->hw.autoneg = 1;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5225
		adapter->hw.autoneg_advertised = ADVERTISE_1000_FULL;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5226
		break;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5227
	case SPEED_1000 + DUPLEX_HALF: /* not supported */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5228
	default:
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5229
		DPRINTK(PROBE, ERR, "Unsupported Speed/Duplex configuration\n");
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5230
		return -EINVAL;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5231
	}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5232
	return 0;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5233
}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5234
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5235
#ifdef CONFIG_PM
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5236
/* Save/restore 16 or 64 dwords of PCI config space depending on which
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5237
 * bus we're on (PCI(X) vs. PCI-E)
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5238
 */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5239
#define PCIE_CONFIG_SPACE_LEN 256
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5240
#define PCI_CONFIG_SPACE_LEN 64
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5241
static int
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5242
e1000_pci_save_state(struct e1000_adapter *adapter)
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5243
{
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5244
	struct pci_dev *dev = adapter->pdev;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5245
	int size;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5246
	int i;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5247
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5248
	if (adapter->hw.mac_type >= e1000_82571)
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5249
		size = PCIE_CONFIG_SPACE_LEN;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5250
	else
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5251
		size = PCI_CONFIG_SPACE_LEN;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5252
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5253
	WARN_ON(adapter->config_space != NULL);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5254
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5255
	adapter->config_space = kmalloc(size, GFP_KERNEL);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5256
	if (!adapter->config_space) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5257
		DPRINTK(PROBE, ERR, "unable to allocate %d bytes\n", size);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5258
		return -ENOMEM;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5259
	}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5260
	for (i = 0; i < (size / 4); i++)
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5261
		pci_read_config_dword(dev, i * 4, &adapter->config_space[i]);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5262
	return 0;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5263
}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5264
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5265
static void
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5266
e1000_pci_restore_state(struct e1000_adapter *adapter)
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5267
{
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5268
	struct pci_dev *dev = adapter->pdev;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5269
	int size;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5270
	int i;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5271
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5272
	if (adapter->config_space == NULL)
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5273
		return;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5274
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5275
	if (adapter->hw.mac_type >= e1000_82571)
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5276
		size = PCIE_CONFIG_SPACE_LEN;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5277
	else
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5278
		size = PCI_CONFIG_SPACE_LEN;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5279
	for (i = 0; i < (size / 4); i++)
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5280
		pci_write_config_dword(dev, i * 4, adapter->config_space[i]);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5281
	kfree(adapter->config_space);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5282
	adapter->config_space = NULL;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5283
	return;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5284
}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5285
#endif /* CONFIG_PM */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5286
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5287
static int
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5288
e1000_suspend(struct pci_dev *pdev, pm_message_t state)
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5289
{
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5290
	struct net_device *netdev = pci_get_drvdata(pdev);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5291
	struct e1000_adapter *adapter = netdev_priv(netdev);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5292
	uint32_t ctrl, ctrl_ext, rctl, status;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5293
	uint32_t wufc = adapter->wol;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5294
#ifdef CONFIG_PM
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5295
	int retval = 0;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5296
#endif
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5297
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5298
	if (adapter->ecdev)
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5299
		return -EBUSY;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5300
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5301
	netif_device_detach(netdev);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5302
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5303
	if (netif_running(netdev)) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5304
		WARN_ON(test_bit(__E1000_RESETTING, &adapter->flags));
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5305
		e1000_down(adapter);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5306
	}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5307
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5308
#ifdef CONFIG_PM
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5309
	/* Implement our own version of pci_save_state(pdev) because pci-
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5310
	 * express adapters have 256-byte config spaces. */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5311
	retval = e1000_pci_save_state(adapter);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5312
	if (retval)
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5313
		return retval;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5314
#endif
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5315
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5316
	status = E1000_READ_REG(&adapter->hw, STATUS);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5317
	if (status & E1000_STATUS_LU)
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5318
		wufc &= ~E1000_WUFC_LNKC;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5319
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5320
	if (wufc) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5321
		e1000_setup_rctl(adapter);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5322
		e1000_set_multi(netdev);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5323
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5324
		/* turn on all-multi mode if wake on multicast is enabled */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5325
		if (wufc & E1000_WUFC_MC) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5326
			rctl = E1000_READ_REG(&adapter->hw, RCTL);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5327
			rctl |= E1000_RCTL_MPE;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5328
			E1000_WRITE_REG(&adapter->hw, RCTL, rctl);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5329
		}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5330
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5331
		if (adapter->hw.mac_type >= e1000_82540) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5332
			ctrl = E1000_READ_REG(&adapter->hw, CTRL);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5333
			/* advertise wake from D3Cold */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5334
			#define E1000_CTRL_ADVD3WUC 0x00100000
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5335
			/* phy power management enable */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5336
			#define E1000_CTRL_EN_PHY_PWR_MGMT 0x00200000
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5337
			ctrl |= E1000_CTRL_ADVD3WUC |
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5338
				E1000_CTRL_EN_PHY_PWR_MGMT;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5339
			E1000_WRITE_REG(&adapter->hw, CTRL, ctrl);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5340
		}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5341
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5342
		if (adapter->hw.media_type == e1000_media_type_fiber ||
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5343
		   adapter->hw.media_type == e1000_media_type_internal_serdes) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5344
			/* keep the laser running in D3 */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5345
			ctrl_ext = E1000_READ_REG(&adapter->hw, CTRL_EXT);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5346
			ctrl_ext |= E1000_CTRL_EXT_SDP7_DATA;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5347
			E1000_WRITE_REG(&adapter->hw, CTRL_EXT, ctrl_ext);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5348
		}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5349
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5350
		/* Allow time for pending master requests to run */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5351
		e1000_disable_pciex_master(&adapter->hw);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5352
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5353
		E1000_WRITE_REG(&adapter->hw, WUC, E1000_WUC_PME_EN);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5354
		E1000_WRITE_REG(&adapter->hw, WUFC, wufc);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5355
		pci_enable_wake(pdev, PCI_D3hot, 1);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5356
		pci_enable_wake(pdev, PCI_D3cold, 1);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5357
	} else {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5358
		E1000_WRITE_REG(&adapter->hw, WUC, 0);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5359
		E1000_WRITE_REG(&adapter->hw, WUFC, 0);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5360
		pci_enable_wake(pdev, PCI_D3hot, 0);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5361
		pci_enable_wake(pdev, PCI_D3cold, 0);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5362
	}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5363
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5364
	e1000_release_manageability(adapter);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5365
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5366
	/* make sure adapter isn't asleep if manageability is enabled */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5367
	if (adapter->en_mng_pt) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5368
		pci_enable_wake(pdev, PCI_D3hot, 1);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5369
		pci_enable_wake(pdev, PCI_D3cold, 1);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5370
	}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5371
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5372
	if (adapter->hw.phy_type == e1000_phy_igp_3)
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5373
		e1000_phy_powerdown_workaround(&adapter->hw);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5374
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5375
	if (netif_running(netdev))
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5376
		e1000_free_irq(adapter);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5377
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5378
	/* Release control of h/w to f/w.  If f/w is AMT enabled, this
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5379
	 * would have already happened in close and is redundant. */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5380
	e1000_release_hw_control(adapter);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5381
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5382
	pci_disable_device(pdev);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5383
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5384
	pci_set_power_state(pdev, pci_choose_state(pdev, state));
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5385
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5386
	return 0;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5387
}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5388
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5389
#ifdef CONFIG_PM
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5390
static int
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5391
e1000_resume(struct pci_dev *pdev)
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5392
{
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5393
	struct net_device *netdev = pci_get_drvdata(pdev);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5394
	struct e1000_adapter *adapter = netdev_priv(netdev);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5395
	uint32_t err;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5396
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5397
	if (adapter->ecdev)
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5398
		return -EBUSY;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5399
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5400
	pci_set_power_state(pdev, PCI_D0);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5401
	e1000_pci_restore_state(adapter);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5402
	if ((err = pci_enable_device(pdev))) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5403
		printk(KERN_ERR "e1000: Cannot enable PCI device from suspend\n");
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5404
		return err;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5405
	}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5406
	pci_set_master(pdev);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5407
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5408
	pci_enable_wake(pdev, PCI_D3hot, 0);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5409
	pci_enable_wake(pdev, PCI_D3cold, 0);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5410
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5411
	if (netif_running(netdev) && (err = e1000_request_irq(adapter)))
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5412
		return err;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5413
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5414
	e1000_power_up_phy(adapter);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5415
	e1000_reset(adapter);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5416
	E1000_WRITE_REG(&adapter->hw, WUS, ~0);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5417
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5418
	e1000_init_manageability(adapter);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5419
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5420
	if (netif_running(netdev))
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5421
		e1000_up(adapter);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5422
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5423
	if (!adapter->ecdev) netif_device_attach(netdev);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5424
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5425
	/* If the controller is 82573 and f/w is AMT, do not set
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5426
	 * DRV_LOAD until the interface is up.  For all other cases,
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5427
	 * let the f/w know that the h/w is now under the control
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5428
	 * of the driver. */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5429
	if (adapter->hw.mac_type != e1000_82573 ||
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5430
	    !e1000_check_mng_mode(&adapter->hw))
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5431
		e1000_get_hw_control(adapter);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5432
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5433
	return 0;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5434
}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5435
#endif
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5436
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5437
static void e1000_shutdown(struct pci_dev *pdev)
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5438
{
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5439
	e1000_suspend(pdev, PMSG_SUSPEND);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5440
}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5441
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5442
#ifdef CONFIG_NET_POLL_CONTROLLER
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5443
/*
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5444
 * Polling 'interrupt' - used by things like netconsole to send skbs
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5445
 * without having to re-enable interrupts. It's not called while
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5446
 * the interrupt routine is executing.
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5447
 */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5448
static void
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5449
e1000_netpoll(struct net_device *netdev)
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5450
{
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5451
	struct e1000_adapter *adapter = netdev_priv(netdev);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5452
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5453
	disable_irq(adapter->pdev->irq);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5454
	e1000_intr(adapter->pdev->irq, netdev);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5455
	e1000_clean_tx_irq(adapter, adapter->tx_ring);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5456
#ifndef CONFIG_E1000_NAPI
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5457
	adapter->clean_rx(adapter, adapter->rx_ring);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5458
#endif
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5459
	enable_irq(adapter->pdev->irq);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5460
}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5461
#endif
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5462
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5463
/**
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5464
 * e1000_io_error_detected - called when PCI error is detected
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5465
 * @pdev: Pointer to PCI device
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5466
 * @state: The current pci conneection state
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5467
 *
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5468
 * This function is called after a PCI bus error affecting
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5469
 * this device has been detected.
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5470
 */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5471
static pci_ers_result_t e1000_io_error_detected(struct pci_dev *pdev, pci_channel_state_t state)
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5472
{
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5473
	struct net_device *netdev = pci_get_drvdata(pdev);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5474
	struct e1000_adapter *adapter = netdev->priv;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5475
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5476
	netif_device_detach(netdev);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5477
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5478
	if (netif_running(netdev))
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5479
		e1000_down(adapter);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5480
	pci_disable_device(pdev);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5481
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5482
	/* Request a slot slot reset. */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5483
	return PCI_ERS_RESULT_NEED_RESET;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5484
}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5485
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5486
/**
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5487
 * e1000_io_slot_reset - called after the pci bus has been reset.
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5488
 * @pdev: Pointer to PCI device
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5489
 *
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5490
 * Restart the card from scratch, as if from a cold-boot. Implementation
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5491
 * resembles the first-half of the e1000_resume routine.
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5492
 */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5493
static pci_ers_result_t e1000_io_slot_reset(struct pci_dev *pdev)
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5494
{
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5495
	struct net_device *netdev = pci_get_drvdata(pdev);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5496
	struct e1000_adapter *adapter = netdev->priv;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5497
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5498
	if (pci_enable_device(pdev)) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5499
		printk(KERN_ERR "e1000: Cannot re-enable PCI device after reset.\n");
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5500
		return PCI_ERS_RESULT_DISCONNECT;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5501
	}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5502
	pci_set_master(pdev);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5503
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5504
	pci_enable_wake(pdev, PCI_D3hot, 0);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5505
	pci_enable_wake(pdev, PCI_D3cold, 0);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5506
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5507
	e1000_reset(adapter);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5508
	E1000_WRITE_REG(&adapter->hw, WUS, ~0);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5509
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5510
	return PCI_ERS_RESULT_RECOVERED;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5511
}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5512
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5513
/**
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5514
 * e1000_io_resume - called when traffic can start flowing again.
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5515
 * @pdev: Pointer to PCI device
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5516
 *
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5517
 * This callback is called when the error recovery driver tells us that
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5518
 * its OK to resume normal operation. Implementation resembles the
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5519
 * second-half of the e1000_resume routine.
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5520
 */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5521
static void e1000_io_resume(struct pci_dev *pdev)
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5522
{
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5523
	struct net_device *netdev = pci_get_drvdata(pdev);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5524
	struct e1000_adapter *adapter = netdev->priv;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5525
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5526
	e1000_init_manageability(adapter);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5527
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5528
	if (netif_running(netdev)) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5529
		if (e1000_up(adapter)) {
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5530
			printk("e1000: can't bring device back up after reset\n");
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5531
			return;
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5532
		}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5533
	}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5534
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5535
	netif_device_attach(netdev);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5536
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5537
	/* If the controller is 82573 and f/w is AMT, do not set
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5538
	 * DRV_LOAD until the interface is up.  For all other cases,
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5539
	 * let the f/w know that the h/w is now under the control
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5540
	 * of the driver. */
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5541
	if (adapter->hw.mac_type != e1000_82573 ||
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5542
	    !e1000_check_mng_mode(&adapter->hw))
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5543
		e1000_get_hw_control(adapter);
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5544
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5545
}
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5546
48c2dbc12bde Added e1000 driver for 2.6.20.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5547
/* e1000_main.c */